Unit 13 We are trying to save the earth.单项选择题专练-2024-2025学年九年级英语全册单元重难点专题提优训练（人教版）

2024-2025学年九年级英语全册单元重难点专题提优训练（人教版） Unit 13 单项选择题专练 1．—Why doesn’t she wear her school uniform? —Because she thinks it is _________. A．easy B．perfect C．beautiful D．ugly 2．The air is very thin _________ the top of the high mountain. A．of B．at C．with D．to 3．Grandma was standing at the _________ of the stairs. A．last B．best C．bottom D．worst 4．—Why do you prefer to live in the countryside? —Well, one of the _________ is that it is quiet. A．disadvantages B．advantages C．results D．effects 5．The box is used to collect waste which can be _________, such as plastic bottles and paper. A．reported B．repaired C．recycled D．Reviewed 6．—Why don’t you buy the car? —It is too expensive. I can’t _________ it. A．afford B．receive C．sell D．keep 7．It’s not easy for you to earn the money, so you should _________ it to good use. A．give B．have C．get D．put 8．That apartment block is old and dangerous. It should _________. A．pull down B．be pulled down C．pulled down D．be pulling down 9．—I’m sorry. What did you say just now? —I told you to _________ the lights before you leave the classroom. A．turn off B．turn on C．turn up D．turn down 10．Her charity work is a(n) _________ to us all. We should all learn from her. A．advantage B．inspiration C．reason D．help 11．It’s ________ for the villagers to drink the polluted water. A．careful B．helpful C．useful D．harmful 12．Recycling is good, so don't ______ bottles or newspapers. A．find out B．hand in C．use up D．throw away 13．Frank _________ very fat, but now he is getting thinner and thinner by taking exercise. A．used to be B．was used to be C．got used to be D．is used to being 14．—How much did this book _________ you? —About 30 dollars. A．spend B．pay C．take D．cost 15．—The traffic is becoming worse and worse in Beijing because of private cars. —_________. People should use public transport more often. A．I agree B．Sounds boring C．I hope not D．Never mind 16．Now Jerry ______ the exchange programme with his classmates in the meeting room. A．discussed B．is discussing C．was discussing D．has discussed 17．Drinking alcohol ( 白酒) can be _______ your brains. So people in China aren't allowed to drink it if they are younger than 18. A．good at B．good with C．harmful to D．thirsty for 18．Teenagers should ________ to take care of themselves from a young age. A．educate B．be educating C．have educated D．be educated 19．The boy is sleeping．Please_______ the radio． A．turn up B．turn off C．turn on D．turn out 20．Your uncle will come to see you as soon as he ________ here. A．arrives B．arrived C．to arrive D．arriving 21．My mother prefers to take a bus to her office ________she has a car of her own. A．if B．because C．although D．until 22．Every day, too much water ________ in our school. We should save it. A．wasted B．wastes C．was wasted D．is wasted 23．Look，so many passengers__________ with their smart phones on the underground． A．played B．will play C．are playing D．have played 24．I could control my feelings at the moment. The song brought back so many childhood memories. A．really B．hardly C．nearly D．clearly 25． The red skirt _______ my mother bought for me is made of cotton. A．that B．when C．who D．whose 26．Spending too much time playing computer games ________ our eyes. A．is harm to B．is injured for C．is badly to D．is harmful to 27．—Many wild animals are in great danger. —Let’s ________ to save them. A．take off B．take down C．take action D．take after 28．-- Your new watch is so nice! When did you buy it? -- In April. I _____ it for two months. A．have had B．had C．have bought D．bought 29．—What would you like to drink? —I’d like three ______. A．bottles of waters B．bottle of waters C．bottle of water D．bottles of water 30．—Why hasn't Tony come? —The invitation letter to Toby by accident A．was emailed B．has emailed C．is emailed D．emailed 31．I remember __________ a prize in an English contest two years ago. A．to win B．winning C．win D．won 32．________ it is, just keep going because you only fail when you give up. A．No matter what B．No matter how hard C．No matter when D．No matter where 33．In the next three years, it is believed that we ________ the poverty problem. A．have solved B．will solve C．solved D．solve 34．—Excuse me, could you tell me ________? —No, Miss. It’s the train to Shanghai. A．whether is there a train to Beijing B．where is the train to Beijing C．if it is the train to Beijing D．if or not the train to Beijing is there 35．-----Excuse me, can I ask you some questions?    -----___________. A．Sure, go ahead B．Congratulations! C．That’s right D．It doesn’t matter 36．She reached the top of the hill and stopped ________ on a big rock by the side of the path. A．to have rested B．resting C．to rest D．rest 37．This is the primary school ________ I studied three years ago. A．where B．when C．that D．which 38．You need to take notes at the meeting, so make sure ________ a pen and some paper with you. A．bring B．bringing C．to bring D．not bring 39．More money ____________ when we use both sides of paper. A．will save B．was saved C．has saved D．will be saved 40．The Palace Museum is the best place ________ I’ve ever visited. A．who B．when C．that D．where 41．Please try ________ the environment around here. A．not pollute B．not to pollute C．not polluted D．to pollute 42．There is also ________ rubbish and waste. A．too much B．too many C．much too D．many too 43．We should help ________ the sharks. A．saving B．to save C．to be saved D．saves 44．The official said they ________ a new law to protect the tourists the next year. A．makes B．would make C．made D．have made 45．Please________ the lights when you leave the classroom. A．turn on B．turn off C．turn up D．turn down 46．There is________advantage of this machine. It can save much electricity. A．an B．a C．the D．/ 47．It is ________ of you to kill cats and dogs. They are our friends. A．cruel B．nice C．good D．reusable 48．Sharks are at the top of the food chain, ________ if their numbers drop, the ocean’s ecosystem will be in danger. A．when B．although C．so D．but 49．Don’t talk in a ________ voice. We can’t hear you clearly. A．tall B．short C．high D．low 50．He hopes to set up ________ “metal art” theme park to show people the importance of environmental protection. A．a B．an C．the D．/ 51．Everything in the room was turned ________. A．break down B．get down C．look down D．upside down 52．She lives in a house ________ she built herself out of rubbish. A．where B．that C．why D．how 53．The easiest way to make ________ difference is not to drop litter. A．a B．an C．the D．/ 54．We are trying ________ the earth. A．to saving B．saving C．save D．to save 55．Riding a bike doesn’t ________ anything. A．cost B．spend C．afford D．take 56．Many people do not realize they are killing a whole shark ________ they enjoy a bowl of shark’s fin soup. A．but B．although C．when D．so 57．We should use ________ transportation to protect the environment. A．private B．public C．young D．old 58．The river ________ clean, but now it is dirty. A．used to be B．used to being C．was used to be D．was used to being 59．—Recycling paper is really easy.           —________. But it is hard to do that all the time. A．I don’t think so B．I hope so C．I disagree D．I agree 60．Can you make these things be put ________ good use? A．to B．in C．at D．for 61．Many buildings in her neighborhood were ________. A．cut off B．cut down C．pulled together D．pulled down 62．I waited for them ________ the bottom of the hill. A．at B．in C．for D．of 63．Although he looks ________ , he is very kind and friendly. A．ugly B．nice C．good D．happy 64．—Tom and Jack? I didn’t believe they could do the work. —________, but they really did it well. A．So did I. B．So I didn’t C．Neither did I. D．Me, too. 65．—Do you know ________ the iphone 5s last week. —Sorry, I have no idea. A．how much did she pay for B．how much will she pay for C．how much she paid for D．how much she will pay for 66．You __ drive your car so fast. It's very dangerous. A．wouldn't B．shouldn't C．couldn't D．mightn't 67．The old house is dangerous. It must be __________ soon. A．cut down B．pull down C．turned down D．pulled down 68．─Why do you buy this computer rather than that one？ ─This one is cheap. I can __________ it. A．sell B．borrow C．keep D．afford 69．I __________ the interesting TV play. Please don't turn it off，Mom. A．watch B．will watch C．watched D．am watching 70．After the rebuilding, our school is becoming . A．more and more beautiful B．more beautiful and beautiful C．beautiful and beautiful D．the more beautiful 71．I'm surprised to see you smoking. You __________，I remember. A．aren't used to B．weren't used to C．didn't use to D．don't use to 72．The heavy snow didn’t _____ the international airlines. A．pay attention to B．add to C．make a difference to D．keep to 73．Anyone who sings well can the activity in our school. A．take part in B．take off C．take out D．take care of 74．There was a big earthquake in that area，but luckily，many people __________. A．save B．saved C．are saved D．were saved 75．It's not a good habit to __________ things. You may need them some other time. A．throw away B．turn off C．take down D．run away 76．That one mistake almost him his life. A．took B．paid C．cost D．spent 77．We should keep the windows ______ in order to let the fresh air in. A．open B．opened C．close D．closed 78．—What's the ________of traveling by bike? —It can save money，keep us healthy and does not pollute the air. A．purpose B．suggestion C．advantage D．knowledge 79．Many kids laugh at Kim's looks and they think he is________. A．clever B．ugly C．nice D．kind 80．----Guess what ! Tina makes her own clothes. ----Wow, she is so _____. I could never do that. A．energetic B．simple C．creative D．popular 81． It ________ about eight minutes for sunlight (阳光) to travel from the sun to the earth. A．takes B．spends C．costs D．pays 82．Because of the water pollution, they had to _____the city’s water supply for several days. A．cut up B．cut out C．cut off D．cut down 83．—How did he make the model plane? —He made it ________ some iron. A．up of B．from C．into D．out of 84．----What should I do to be a green man? ----It’s very easy. For example, _____ your own bags when _____. A．taking, shopping B．take, shopping C．taking, you shopping D．take, you shopping 85．If the number of the sharks _____, all ocean life will be in danger as well. A．drop too low B．drops too low C．drop too little D．drops too little 86．She wants to learn more about American history．She is thirsty________such knowledge． A．at B．of C．for D．with 87．Who is better ______ playing basketball, you or your brother? A．at B．in C．on 88．—Tom, did you _______ the math test again? —No. I passed it. A．fall B．fail C．fill D．feel 89．—_____________ has Hong Kong been back to our motherland? —For 20 years. How time flies! A．How soon B．How long C．How often 90．You spend too much time on your mobile phone. You are supposed to _______ the time you spend on it. A．cut off B．cut down C．cut up 91．We all want to know who can ________the physics problem. You know, it’s very difficult． A．work out B．take out C．set out ．look out 92． his parents ______he likes the red car,but they can't afford it. A．Both;and B．Not only;but also C．Neither;nor D．Either;or 93．The students are interested in English and they all hope an English club. A．join B．joining C．to join D．joined 94．Lisa remember _______her mother.But her mother hasn't received the letter. A．to write B．writes C．writing D．wrote 95．You'd better _______your shoes before you go into her bedroom. Your shoes may make her new carpet dirty. A．turn off B．cut off C．take off D．put off 96．In the past few years, many schools ______ the ways of doing morning exercises. A．change B．changes C．will change D．have changed 97．Some boys in our class _____the footbal club for a year．They are crazy about playing football now． A．joined B．have joined C．have been in 98．He ____ go out with his parents, but now he ____ staying at home alone. A．used to; is used to B．is used to; used to C．used to; used to D．is used to; is used to 99．–Why are you so worried?    -I’ve lost the watch ______ my dad bought me on my birthday. A．what B．who C．whose D．which 100．—Could you please tell me ? —Look!He is watching Kobe's last game with the boys over there. A．where Kevin is B．who is Kevin C．what is Kevin doing 参考答案： 1．D 【详解】句意：——为什么她不穿她的校服？——因为她认为它太丑了。 考查形容词辨析。easy容易的；perfect完美的；beautiful漂亮的；ugly丑陋的。根据问题“Why doesn’t she wear her school uniform?”可知，不穿校服的原因是太丑了，用ugly。故选D。 2．B 【详解】句意：山顶的空气很稀薄。 考查介词辨析。of属于；at在；with具有；to到。这里是：固定搭配at the top of意为“在……的顶上”。故选B。 3．C 【详解】句意：奶奶正站在楼梯下面。 考查词汇辨析。last最后的；best最好的；bottom底部，名词；worst最糟糕的。根据题干“Grandma was standing”可推测得知奶奶正站在楼梯下面，固定短语“at the bottom of在……底部”。故选C。 4．B 【详解】句意：——你为什么更喜欢住在农村？——嗯，很安静是优点之一。 考查名词辨析。disadvantages缺点；advantages优点；results结果；effects影响。根据“Why do you prefer to live in the countryside?”可知解释为什么更喜欢农村，要介绍其优点。故选B。 5．C 【详解】句意：这个盒子被用于收集能回收利用的废物，例如塑料瓶和纸。reported报道；repair修理；recycle回收利用；review复习；根据such as plastic bottles and paper.可知塑料瓶和纸是可以回收利用的，故选C。 6．A 【详解】句意：——为什么你不买这辆车呢？——它太贵了。我买不起它。 考查动词辨析。afford买得起，支付得起；receive收到；sell卖；keep保持。根据文中回答“It is too expensive.”可知是买不起，afford符合题意。故选A。 7．D 【详解】句意：你挣钱不容易，所以你应该好好利用。 考查动词辨析。give给；have有；get得到；put放。put...to good use“充分利用，善用”，为固定短语。故选D。 8．B 【详解】句意：那栋公寓楼又旧又危险。应该把它拆除。 考查情态动词的被动语态。句子主语It与谓语动词pull down是被动关系，故本句应用被动语态，被动语态的构成是：be+及物动词的过去分词，pull的过去分词是pulled；should情态动词，后接动词原形。故选B。 9．A 【详解】句意：——对不起。你刚才说什么？——我告诉过你离开教室前把灯关掉。 考查动词短语。turn off关闭；turn on打开；turn up把声音调大；turn down把声音调小。根据“the lights before you leave the classroom”可知离开教室要把灯关掉，故选A。 10．B 【详解】句意：她的慈善工作对我们大家都是一种鼓舞。我们都应该向她学习。 考查名词辨析。advantage优点；inspiration鼓舞；reason原因；help帮助。根据“We all should learn from her.”结合选项可知，她的慈善工作对我们是一种鼓舞，故选B。 11．D 【详解】句意：村民们喝被污染的水是有害的。 考查形容词辨析。careful细心的；helpful有帮助的；useful有用的；harmful有害的。根据“to drink the polluted water”可知喝被污染的水是有害的。故选D。 12．D 【详解】句意：回收是好的，所以不要扔掉瓶子和报纸。A. find out 查明；B. hand in 上交； C. use up 用光；D. throw away扔掉。根据Recycling is good可知此处表示要回收利用，不要乱扔东西，故选D。 13．A 【详解】句意：弗兰克过去很胖，但现在他通过锻炼越来越瘦了。 考查use的用法。used to do sth过去常常做某事；be/get used to doing sth习惯做某事。根据“but now”结合语境可知，此处是指弗兰克过去很胖，used to be fat“过去很胖”。故选A。 14．D 【详解】句意：——这本书花了你多少钱？ ——大约30美元。 考查动词辨析。spend花费，主语一般为人；pay支付要与介词for连用，主语为人；take耗费(时间等)；cost花费，主语一般为物。根据“How much did this book”可知，主语是书，故此处应用cost。故选D。 15．A 【详解】句意：——由于私家车，北京的交通变得越来越糟糕。——我同意。人们应该经常使用公共交通工具。 考查情景交际。I agree我同意；Sounds boring听起来很无聊；I hope not希望不要；Never mind没关系。根据“The traffic is becoming worse and worse in Beijing because of private cars.”及答语“People should use public transport more often.”可知，此处是指同意对方的看法，选项A符合语境。故选A。 16．B 【详解】句意：现在Jerry正在会议室和他的同班同学讨论交换生项目。 考查动词时态。根据“now”可知，表示现在正在进行的动作，用现在进行时be doing的结构，故选B。 17．C 【详解】句意：喝白酒可能对你的大脑有害。因此在中国如果你在18岁以下，就不允许喝酒。 考查形容词短语。be good at擅长做某事；be good with对某人友好；be harmful to 对……有害；be thirsty for渴望……。根据句意可知，喝白酒对大脑是有害的，故选C。 18．D 【分析】 【详解】句意：青少年应该从小时候就被教导照顾好自己。 考查被动语态的用法。由于本句中主语与educate构成被动关系，故要用被动语态。should为情态动词，其被动语态的构成为should+ be done。故选D。 19．B 【详解】这个男孩正在睡觉。请关上收音机。turn up调大；turn off关，关闭；turn on开，打开；turn out证明是。故答案为B. 20．A 【详解】句意：你的叔叔一到这就会来见你的。 考查时间状语从句。根据“Your uncle will come to see you as soon as he...here.”可知，句子含有as soon as引导的时间状语从句，遵循“主将从现”原则，所以从句“he...here”应用一般现在时，从句的主语是he，此空应用动词arrive的三单形式arrives。故选A。 21．C 【详解】句意：我的妈妈更喜欢坐公共汽车去办公室，虽然她有自己的汽车。 考查从属连词。if如果；because因为；although虽然；until直到。根据前后两句的逻辑，可知此处表示让步关系，应该用although引导让步状语从句，故选C。 22．D 【详解】句意：每天，我们学校浪费了太多的水。我们应该节省它。 考查一般现在时被动语态。根据“Every day”可知，句子用一般现在时，主语water与动词waste之间是被动关系，故此处应填一般现在时被动语态，结构为is/am/are done。故选D。 23．C 【详解】句意：看，这么多乘客在地铁上正在玩手机．结合语境可知本句描述的是现在正在进行的动作，故用现在进行时态，选Ｃ． 考点：时态 24．B 【详解】试题分析：句意：在那时无法控制自己的感情。那首歌使我想起了许多童年时和回忆。A. really 真正地；B. hardly 几乎不；C. nearly 几乎，D. clearly清楚地。结合句意，这首歌让他想起了童年时的会议，因此他无法控制他的情感。故选B。 考点：考查副词的用法。 25．A 【详解】句意：我妈妈给我买的那条红裙子是棉质的。 考查定语从句中的关系代词。先行词是skirt，指物，且关系代词在定语从句中作宾语，用that或which，that符合题意。故选A。 26．D 【详解】句意：花太多时间玩电脑游戏对我们的眼睛有害。 考查形容词短语。根据“Spending too much time playing computer games...our eyes.”可知，玩太多游戏对眼睛有害；be harmful to“对……有害”。故选D。 27．C 【详解】句意：——许多野生动物处于极大的危险之中。——让我们采取行动来拯救它们。 考查动词短语辨析。take off脱下；take down取下，拿下；take action采取行动；take after与……相像。由上句和答语中的“to save them”可知，此句是说采取行动拯救处于危险中的野生动物，故选C。 28．A 【详解】句意：——你的新手表太漂亮了！你什么时候买的它？——在四月份。我已经拥有它两个月了。have有，是延续性动词；buy（bought）买，是瞬间性动词。此处与时间段for two months连用，用现在完成时，谓语用延续性动词，故用have had。故选A。 29．D 【详解】句意：——你想喝点什么？——我想要三瓶水。 考查可数名词和不可数名词。根据句意：我想要三瓶水，three“三”，是复数形式，water是不可数名词，其后不能加s；但是bottle“瓶子”是可数名词，跟在three后面要用复数形式，“三瓶水”则译为“three bottles of water”，结合选项可知D选项符合题意，故答案选D。 30．A 【详解】句意：﹣﹣为什么托尼还没有来？﹣﹣邀请函被意外的发给托比了。结合句意，托尼现在没有来，邀请函应是过去被发送的，故此处用一般过去时的被动语态，故选A。 31．B 【详解】句意：我记得两年前在英语竞赛中得了奖。 考查非谓语动词。根据“remember”可知，remember to do表示“记得做某事（动作未发生）”，remember doing表示“记得做过某事（动作已经发生）”。根据“two years ago”可知，两年前表明事情已经发生过了，因此这里填动名词winning。故选B。 32．B 【详解】句意：不管有多困难，都要坚持下去，因为只有当你放弃的时候，你才失败。 考查让步状语从句。No matter what无论什么；No matter how hard不管有多困难；No matter when不论何时；No matter where不论哪里。根据“it is, just keep going”可知，不管有多困难，都要坚持下去，故选B。 33．B 【详解】句意：在未来三年里，我们相信我们将会解决贫困问题。 考查动词时态。根据“In the next three years,”可知，空格处的动作还没发生，需用一般将来时，其结构为：will/be going to+动词原形。故选B。 34．C 【详解】句意：——抱歉打扰，你能告诉我是否它是去北京的火车么？——不是的，小姐。它是去上海的火车。 考查宾语从句。“tell me ”后面是宾语从句，从句的语序是陈述句的语序，即“引导词+主语+谓语动词”。A选项和B选项的语序错误，排除A和B选项。“if”表示“是否”不能和or not连用;D选项表述错误。根据“No, Miss. It’s the train to Shanghai”可知询问的是是否是到某地的火车。C选项“if it is the train to Beijing”符合语境。故选C。 35．A 【详解】句意：-打扰一下，我能问你一些问题吗？-当然可以，问吧。Sure, go ahead.当然可以了，问吧；Congratulations.祝贺你；That’s right.那是对的；It doesn’t matter.没关系。根据句意可知，这里是回答对方的请求，这里是允许对方提问，故应选A。 36．C 【详解】句意：她爬上了山顶，停在路边的一块大石头上休息。 考查非谓语动词。stop to do sth停下来去做某事，stop doing sth停止做某事。分析“She reached the top of the hill and stopped…on a big rock”可知，此处指“停下来去休息”，用动词不定式的一般式即可，故选C。 37．A 【详解】句意：这是我三年前学习的小学。 考查定语从句关系词。where关系副词，先行词指地点，且在从句中作地点状语；when关系副词，先行词是时间，且在从句中作时间状语；that关系代词，先行词指人或物，且在从句中作主语或宾语；which关系代词，先行词指物，且在从句中作主语或宾语。根据“the primary school”可知先行词指地点，关系副词在从句中作地点状语，用where引导定语从句。故选A。 38．C 【详解】句意：你需要在会上做笔记，所以一定要带笔和纸。 考查非谓语动词。make sure“确保，务必”，其后可接动词不定式，make sure to do sth.表示“—定要做某事”。故选C。 39．D 【详解】句意：当我们使用两面纸时，会节省更多的钱。 考查动词的时态和语态。此句是when引导的时间状语从句，时态是主将从现，可知主句使用一般将来时。根据句意可知Money被省的，需要使用被动语态，故此句是一般将来时的被动语态。故选D。 40．C 【详解】句意：故宫是我参观过的最好的地方。 考查定语从句关系词。who先行词指人，且在从句中作主语；when先行词指时间，且在从句中作时间状语；that先行词指人或物，且在从句中作主语或宾语；where先行词指地点，且在从句中作地点状语。题中先行词“place”由形容词最高级“the best”修饰，且在从句中作宾语，只能用that引导定语从句。故选C。 41．B 【详解】句意：请尽量不要污染周围的环境。try (not) to do sth.尽量（不）做某事，是固定搭配，排除AC；再由“the environment around here”及选项内容可推出是不要污染环境，用not to pollute符合语境。故选B。 42．A 【详解】句意：也有太多的垃圾和废物。 考查词义辨析。too much太多，修饰不可数名词；too many太多，修饰可数名词复数；much too太，修饰形容词或副词；many too错误表达。此处修饰不可数名词rubbish and waste，用too much修饰，故选A。 43．B 【详解】句意：我们应该帮助拯救鲨鱼。 考查非谓语动词。help to do sth.帮忙做某事，固定搭配。此处用动词不定式作宾语。故选B。 44．B 【详解】试题分析：句意：这个官员说：来年，他们将要制定一个新的法律去保护旅行者们。分析：考查宾语从句的用法，当主句是一般过去时，从句要用相应的过去式，从句原来的时态为将来时，因此将will make改为would make.故选 B 考点：考查宾语从句的用法。 45．B 【详解】句意：离开教室时请关灯。 考查动词短语辨析。turn on打开；turn off关上；turn up调高；turn down调低。由“离开教室”可知应是关灯。故选B。 46．A 【详解】句意：这台机器有一个优点。它可以节省很多电。 考查冠词辨析。an一个，泛指，用在元音音素开头的单词前面；a一个，泛指，用在辅音音素开头的单词前面；the表特指。此处泛指一个优点，而且advantage是元音音素开头的单词。故选A。 47．A 【详解】句意：你杀猫和狗太残忍了。它们是我们的朋友。 考查形容词辨析。cruel残忍的；nice美好的；good好的；reusable可重复使用的。根据“to kill cats and dogs”可知杀死狗和猫是残忍的，用cruel符合语境。故选A。 48．C 【详解】句意：鲨鱼处于食物链的顶端，所以如果它们的数量下降，海洋的生态系统将处于危险之中。 考查连词辨析。when当……时；although虽然；so所以；but但是。前后两句构成因果关系，此处表示结果，用so引导，故选C。 49．D 【详解】句意：不要小声说话。我们听不清楚。 考查形容词辨析。tall高的；short矮的；high高的；low低声的，小声的。根据“We can’t hear you clearly.”可知是不要低声说话，用low符合语境。故选D。 50．A 【详解】句意：他希望建立一个“金属艺术”主题公园，向人们展示环境保护的重要性。 考查冠词用法。根据“set up ... ‘metal art’ theme park”可知此处泛指一个“金属艺术”主题公园，metal以辅音音素开头，其前用不定冠词a。故选A。 51．D 【详解】句意：房间里的一切都被弄得乱七八糟。 考查动词短语辨析。break down打破；get down下来；look down向下看，瞧不起；upside down倒置地，turn…upside down使陷入混乱。本句已有谓语动词was turned，不能再选动词，故选D。 52．B 【详解】句意：她住在自己用垃圾建造的房子里。 考查定语从句关系词。where先行词指地点，且在从句中作地点副词；that先行词指人或物，且在从句中作主语或宾语；why先行词the reason，且在从句中作状语；how如何，不引导定语从句。根据“a house ... she built herself out of rubbish”可知此处是定语从句，先行词a house是地点，但从句中缺少宾语，不能用where引导从句，要用that引导定语从句。故选B。 53．A 【详解】句意：最简单的改变的方法就是不要乱扔垃圾。 考查冠词用法。make a difference有影响，起作用，是固定搭配。故选A。 54．D 【详解】句意：我们正在努力拯救地球。 考查非谓语动词。try doing sth.尝试做某事；try to do sth.尽力做某事。根据“the earth”可知拯救地球需要尽力，用to save符合语境。故选D。 55．A 【详解】句意：骑自行车不需要花费任何东西。 考查动词辨析。cost花费（钱），物作主语；spend花费，人作主语；afford买得起；take花费，一般用it作主语。主语是Riding a bike，物作主语，故选A。 56．C 【详解】句意：许多人在享用一碗鱼翅汤时，并没有意识到他们正在杀死一整条鲨鱼。 考查连词辨析。but但是；although尽管；when当……时候；so因此。根据“Many people do not realize they are killing a whole shark ... they enjoy a bowl of shark’s fin soup.”可知此处表示喝鱼翅汤的时候，就是正在杀死一条鲨鱼，用when引导时间状语从句。故选C。 57．B 【详解】句意：我们应该使用公共交通来保护环境。 考查形容词辨析。private私人的；public公共的；young年轻的；old老的。根据“We should use…transportation to protect the environment.”和常识可知，此处指使用公共交通，故选B。 58．A 【详解】句意：这条河过去很干净，但现在很脏。 考查动词短语。used to do sth.过去常常做某事；be used to doing sth.习惯于做某事。根据“but now it is dirty”可知过去常是干净的，用used to be符合语境。故选A。 59．D 【详解】句意：——回收纸很容易。——我同意。但要一直做到这一点并不容易。 考查情景交际。I don’t think so我不认为如此；I hope so我希望如此；I disagree我不同意；I agree我同意。根据“But it is hard to do that all the time.”可知句意出现转折，讲回收纸的不易，由此可推出是同意对方的看法。故选D。 60．A 【详解】句意：你能使这些东西得到充分利用吗？ 考查介词辨析。to到；in在……中；at在；for为了。put… to good use充分利用，故选A。 61．D 【详解】句意：她所在社区的许多建筑都被拆除了。 考查动词短语。cut off切断；cut down砍倒；pulled together齐心协力；pulled down摧毁，拆掉。根据“Many buildings in her neighborhood”可推出许多建筑都被拆了，用pulled down。故选D。 62．A 【详解】句意：我在山脚下等着他们。 考查介词辨析。at在（某处）；in在……里面；for为了；of……的。at the bottom of在……的底部，是固定搭配。故选A。 63．A 【详解】句意：虽然他看起来很丑，但他很善良和友好。 考查形容词辨析。ugly丑陋的；nice友好的；good好的；happy开心的。分析“Although he looks…he is very kind and friendly.”可知，前后两句是转折关系，故选A。 64．C 【详解】句意：——汤姆和杰克？我不相信他们能做这项工作。——我也不相信，但他们确实做得很好。 考查倒装句。So did I.我也是；So I didn’t.表达错误；Neither did I.我也不；Me, too.我也是。根据语境可知，此处表示与上句“I didn’t believe they could do the work.”相同的观点，即我也不相信他们能做这项工作，所以应用neither开头的倒装句，Neither+助动词(be，情态动词)+主语，表示“某人也不”。故选C。 65．C 【详解】句意：——你知道她上周买iphone 5s花了多少钱吗？——对不起，我不知道。 考查宾语从句。宾语从句用陈述语序，排除AB；根据“Do you know ...”可知遵循主现从不限的原则，结合“last week”可知从句用一般过去时，排除D。故选C。 66．B 【详解】句意：你不应该开车这么快。太危险了。考查情态动词。wouldn't不会；shouldn't不应该，表建议；couldn't不能，表不许可； mightn't不可能，表示否定性推测。根据下文It's very dangerous.可知不应该开车这么快，故选B。 67．D 【详解】句意：这座旧房子很危险。它必须尽快被拆掉。 考查动词短语辨析。cut down“砍倒；减少”；pull down“拆下；摧毁”；turn down“调低；拒绝”。由上句句意“这座旧房子很危险”可知，此处表示“它必须尽快被拆掉”，故排除A和C两项；it（the old house）与谓语pull down为被动关系，谓语动词应用过去分词，故选D。 68．D 【详解】句意：——你为什么买这台电脑而不买那台?——这个便宜。我买得起。 考查动词辨析。sell“卖”；borrow“借入”；keep“保存”；afford“买得起”。由This one is cheap.可知能买得起，故选D。 69．D 【详解】句意：我正在看那部有趣的电视剧。妈妈，请不要关闭电视。 考查动词时态辨析。由后句Please don't turn it off，Mom.可知，前句意为“我正在看那部有趣的电视剧”，应用现在进行时，其结构为“am/is/are+-ing”，故选D。 70．A 【详解】句意：改造后，我们的学校变得越来越美。考查形容词的比较级。“比较级+比较级”表示“越来越……”的意思。当形容词为多音节词时，此结构为“more and more + 形容词”。本句是“比较级+比较级”结构，故选A。 71．C 【详解】句意：我很惊讶看到你正在吸烟。我记得你过去不吸烟。 考查动词短语和时态辨析。used to do sth.意为“过去常做某事”，其否定形式为didn't use to do… 意为“过去不做某事”。be used to doing sth.意为“习惯于做某事”；be used to do sth.意为“被用来做某事”，它们的否定形式在be动词后加not。由前句I'm surprised to see you smoking.可推知对方过去不吸烟。根据句意语境，可知选C。 72．C 【详解】句意：那场大雪没有对国际航班造成影响。pay attention to关注，注意；add to增加； make a difference to对……造成影响；keep to坚持。根据句意，应表示大雪对航班有没有影响， 故选C。 73．A 【详解】句意：任何唱歌好的人都可以参加我们学校的活动。考查动词词组辨析。 take part in“参加”；take off“起飞”；take out“取出；拿出”；take care of“照顾；照看”。根据下文the activity in our school可知是参加活动，故选A。 74．D 【详解】句意：那个地区发生了大地震，但幸运的是，许多人得救了。 考查动词语态辨析。由there was可知本句为一般过去时；主语many people 是谓语动词save动作的承受者，需用一般过去时的被动语态，故选D。 【点睛】被动语态是中考英语的重要考点。需准确判断主语和动词之间的关系，如果主语是动词的受动者，则用被动语态。再根据时间状语确定是什么时态。 75．A 【详解】句意：把东西扔掉不是一个好习惯。其他某个时间你可能需要它们。 考查动词短语辨析。throw away意为“扔掉”；turn off意为“关上”；take down意为“记下；拆掉”；run away意为“逃跑”。根据上文It's not a good habit结合后句You may need them some other time.可推知前句意为“扔东西不是一个好习惯”，故选A。 76．C 【详解】句意：那个错误几乎要了他的命。这四个词均可表示“花费”，但用法不同：take的主语通常是it，常用it takes sb.＋时间/钱＋to do sth；pay主语通常是人，一般跟介词for搭配；cost的主语往往是物或某种活动；spend的主语通常是人，常用句型spend＋时间/钱＋doing sth./on sth.。根据句子的主语That one mistake可知答案选C。 77．A 【详解】句意：我们应该让窗户开着，为了让新鲜空气进来。keep sth/ sb+形容词  让某物/某人处于什么状态；根据句意排除C/D；open形容词，开着的；open动词，开；opened是动词过去式；故选A。 78．C 【详解】句意：-骑车旅行的优势是什么？-可以节省金钱，让我们保持健康，还能不污染空气。A.目的；B.建议；C.优势；D.知识。从答句可以看出是在描述骑车旅行的“优势”，故前句是在问优势是什么，选C。 79．B 【详解】句意：许多孩子笑话Kim的相貌，他们认为他是丑陋的。A. clever聪明的；B. ugly 丑陋的；   C. nice 好的；D. kind善良的；根据句意故选B。 80．C 【详解】句意：----猜猜看！蒂娜的衣服是自己做的。----哇，她真有创造力。我永远也做不到。考查形容词辨析。A. energetic精力充沛的，充满活力的；B. simple简单的；C. creative有创造力的，有创意的；D. popular流行的。结合句意可知选C， 81．A 【详解】试题分析：句意：阳光从太阳到达地球大约花八分钟时间。做某事花某人多长时间：It takes sb. some time to do sth. 故选A。 考点：考查动词辨析。 82．C 【详解】句意：由于水污染，他们不得不切断城市几天的供水。考查动词短语辨析。A. cut up切碎；B. cut out裁剪；删除；C. cut off切除，切掉，中断，切断；D. cut down消减，砍倒，缩短。结合句意和选项可知选C。 83．D 【详解】句意：——他是怎么制作飞机模型的？ ——他用一些铁做成的。 考查介词辨析。be made up of“由……组成，由……构成”；make from“用……制成”，看不出原材料；make… into“把……做成，把……转变为”，make后面跟原材料，into后面跟制成品；make...out of“用……制造出，用……制成……”，make后面跟制成品，out of后面跟原材料。some iron是能看出材料的，故不用from，some iron是原材料，故不用into。故选D。 84．B 【详解】句意：----我该怎么做才能成为一个绿色（环保）的人？----很容易。比如，购物时自己带袋子。考查动词形式。本句是肯定祈使句，肯定祈使句是动词原形开头，故第一空填take；when当…时候，后面跟从句或动名词（动名词短语），故第二空填shopping或you shop，结合选项可知选B。 85．B 【详解】句意：如果鲨鱼的数量下降得太低，所有的海洋生物也将面临危险。考查主谓一致和副词辨析。the number of：…的数量，of后面跟可数名词复数，做主语时谓语动词使用单数，可排除A和C。little：小的，几乎没有，很少，形容词和副词，一般修饰名词或形容词；low：低，低下地，低的，形容词和副词。修饰drop只能使用low，drop too low：下降得太低；结合句意和选项可知选B。 86．C 【详解】be thirsty for是固定搭配，意为“渴望”。 87．A 【详解】试题分析：句意：谁更擅长打篮球，你还是你的哥哥？ be good at擅长……，经常指长期某一方面表现好；be good in在……方面表现出色，往往表示某一次的效果。根据句意，可知在提问一种通常情况，而不是某一次的表现，故选A。 考点：考查介词的用法。 88．B 【详解】句意：——汤姆，你数学考试又不及格了吗？   ——不，我通过了。A. fall坠落；B. fail失败；C. fill填充；D. feel感觉。根据答语中的—No. I passed it. 不，我通过了。可知，问句问的是“你数学考试又不及格了吗？”故所缺的词是fail失败；故选B。 89．B 【详解】句意：﹣香港回归祖国多长时间了？﹣20年了，时间过得真快啊！根据回答"For 20 years"可知，此处询问时间段。A 多久之后；B 多长时间；C 多久一次．B选项询问时间段，故答案为B． 点睛：做这种题，首先应该看答语，根据答语来判断用哪个疑问词。以How soon开头的句子，其答语是in+时间段；以How long开头的答语是for+时间段或since+句子或短语；以How often开头的句子，答语是表示频率的词。 90．B 【详解】句意：你在手机上花了太多时间。你应该减少花在上面的时间。A. cut off切断；B. cut down缩短；C. cut up切碎。cut down the time缩短时间，根据You spend too much time on your mobile phone. 你在手机上花了太多时间。可推测下文是建议应该“减少”使用手机的时间，故答案为B。 91．A 【详解】句意：我们都想知道谁能解出这道物理题。你知道，这很难。 考查动词短语。work out解决；take out取出；set out出发；look out当心。根据“We all want to know who can...the physics problem”可知，和the physics problem搭配的短语是work out，表示“解决或计算出物理题目”，故选A。 92．B 【详解】句意：不仅是他父母而且他也喜欢那辆红色的汽车。但是他们买不起。A项，both…and“两者都”，连接两个主语时，谓语动词为复数形式。B项，not only…but also“不但……而且”，连接两个主语，谓语动词采用就近原则，即随较近主语的单复数变化。C项，neither…nor“两者都不”，连接两个主语时，谓语动词采用就近原则。D项，either…or“或者……或者”，连接两个主语时，谓语动词采用就近原则。根据句意可知not only…but also符合题意。根据题意，故选B。 93．C 【详解】hope to do sth．表示“希望做某事”。 94．C 【详解】句意：莉莎记得写信给她母亲，但她母亲还没收到信。本题考查remember的用法，remember to do sth. 记得去做，还未做；remember doing sth. 记得做过了，已经做了。根据But her mother hasn't received the letter. 但她母亲还没收到信。可知，莉莎记得写过信给她母亲，说明已做过。因此用writing。故选C。 95．C 【详解】句意：你最好在进她的卧室前脱下鞋。你的鞋子可能会弄脏她的新地毯。A. turn off关掉；   B. cut off切断；C. take off脱掉；D. put off延期；根据句中信息before you go into her bedroom. 和Your shoes may make her new carpet dirty. 推测该句句意：在你进入房间之前，你应该脱掉你的鞋子，你的鞋子可能会弄脏她的新地毯。故选C。 96．D 【详解】试题分析：句意：在过去的几年里，很多学校已改变了做早操的方式。根据时间状语In the past few years可知，本题用现在完成时。故选D。 97．C 【详解】句意：我们班的一些男孩们参加足球俱乐部一年了。现在他们对踢足球很痴迷。根据语义可知，本句表达过去的动作对现在造成的影响与结果，所以使用现在完成时态；for a year表示一段时间，谓语动词应是持续性动词，join是暂时性的动词。故选C。 98．A 【详解】句意：他过去常和父母一起出去，但现在他习惯一个人呆在家里了。 考查动词短语辨析。used to+动词原形，过去常常； be used to习惯于，其中to为介词。故选A。 【点睛】used to 后跟强调动作的动词时表示“过去常常”；后面跟表示状态的词时，表示“曾经，一度”；used to 的后面跟动词原形。be/get used to+名词/代词/动名词，表示“习惯于…”。 99．D 【详解】句意：——你为什么如此担心？——我把那块我生日时爸爸买给我的手表弄丢了。考查定语从句，先行词是watch表示物，故关系代词只能用which或that；what不引导定语从句；who的先行词是人；whose表示所属；故选D。 100．A 【详解】句意：——你能告诉我凯文在哪里吗？   ——看！他正在和那边的男孩们一起看科比的最后一场比赛。宾语从句要用陈述句的语序，先排除C；答语的含义是“看！他正在和那边的男孩们一起看科比的最后一场比赛。”由此可以推断，问句的含义是“你能告诉我凯文在哪里吗？”故答案为A。 原创精品资源学科网独家享有版权，侵权必究！1 学科网（北京）股份有限公司 $$ 2024-2025学年九年级英语全册单元重难点专题提优训练（人教版） Unit 13 单项选择题专练 1．—Why doesn’t she wear her school uniform? —Because she thinks it is _________. A．easy B．perfect C．beautiful D．ugly 2．The air is very thin _________ the top of the high mountain. A．of B．at C．with D．to 3．Grandma was standing at the _________ of the stairs. A．last B．best C．bottom D．worst 4．—Why do you prefer to live in the countryside? —Well, one of the _________ is that it is quiet. A．disadvantages B．advantages C．results D．effects 5．The box is used to collect waste which can be _________, such as plastic bottles and paper. A．reported B．repaired C．recycled D．Reviewed 6．—Why don’t you buy the car? —It is too expensive. I can’t _________ it. A．afford B．receive C．sell D．keep 7．It’s not easy for you to earn the money, so you should _________ it to good use. A．give B．have C．get D．put 8．That apartment block is old and dangerous. It should _________. A．pull down B．be pulled down C．pulled down D．be pulling down 9．—I’m sorry. What did you say just now? —I told you to _________ the lights before you leave the classroom. A．turn off B．turn on C．turn up D．turn down 10．Her charity work is a(n) _________ to us all. We should all learn from her. A．advantage B．inspiration C．reason D．help 11．It’s ________ for the villagers to drink the polluted water. A．careful B．helpful C．useful D．harmful 12．Recycling is good, so don't ______ bottles or newspapers. A．find out B．hand in C．use up D．throw away 13．Frank _________ very fat, but now he is getting thinner and thinner by taking exercise. A．used to be B．was used to be C．got used to be D．is used to being 14．—How much did this book _________ you? —About 30 dollars. A．spend B．pay C．take D．cost 15．—The traffic is becoming worse and worse in Beijing because of private cars. —_________. People should use public transport more often. A．I agree B．Sounds boring C．I hope not D．Never mind 16．Now Jerry ______ the exchange programme with his classmates in the meeting room. A．discussed B．is discussing C．was discussing D．has discussed 17．Drinking alcohol ( 白酒) can be _______ your brains. So people in China aren't allowed to drink it if they are younger than 18. A．good at B．good with C．harmful to D．thirsty for 18．Teenagers should ________ to take care of themselves from a young age. A．educate B．be educating C．have educated D．be educated 19．The boy is sleeping．Please_______ the radio． A．turn up B．turn off C．turn on D．turn out 20．Your uncle will come to see you as soon as he ________ here. A．arrives B．arrived C．to arrive D．arriving 21．My mother prefers to take a bus to her office ________she has a car of her own. A．if B．because C．although D．until 22．Every day, too much water ________ in our school. We should save it. A．wasted B．wastes C．was wasted D．is wasted 23．Look，so many passengers__________ with their smart phones on the underground． A．played B．will play C．are playing D．have played 24．I could control my feelings at the moment. The song brought back so many childhood memories. A．really B．hardly C．nearly D．clearly 25． The red skirt _______ my mother bought for me is made of cotton. A．that B．when C．who D．whose 26．Spending too much time playing computer games ________ our eyes. A．is harm to B．is injured for C．is badly to D．is harmful to 27．—Many wild animals are in great danger. —Let’s ________ to save them. A．take off B．take down C．take action D．take after 28．-- Your new watch is so nice! When did you buy it? -- In April. I _____ it for two months. A．have had B．had C．have bought D．bought 29．—What would you like to drink? —I’d like three ______. A．bottles of waters B．bottle of waters C．bottle of water D．bottles of water 30．—Why hasn't Tony come? —The invitation letter to Toby by accident A．was emailed B．has emailed C．is emailed D．emailed 31．I remember __________ a prize in an English contest two years ago. A．to win B．winning C．win D．won 32．________ it is, just keep going because you only fail when you give up. A．No matter what B．No matter how hard C．No matter when D．No matter where 33．In the next three years, it is believed that we ________ the poverty problem. A．have solved B．will solve C．solved D．solve 34．—Excuse me, could you tell me ________? —No, Miss. It’s the train to Shanghai. A．whether is there a train to Beijing B．where is the train to Beijing C．if it is the train to Beijing D．if or not the train to Beijing is there 35．-----Excuse me, can I ask you some questions?    -----___________. A．Sure, go ahead B．Congratulations! C．That’s right D．It doesn’t matter 36．She reached the top of the hill and stopped ________ on a big rock by the side of the path. A．to have rested B．resting C．to rest D．rest 37．This is the primary school ________ I studied three years ago. A．where B．when C．that D．which 38．You need to take notes at the meeting, so make sure ________ a pen and some paper with you. A．bring B．bringing C．to bring D．not bring 39．More money ____________ when we use both sides of paper. A．will save B．was saved C．has saved D．will be saved 40．The Palace Museum is the best place ________ I’ve ever visited. A．who B．when C．that D．where 41．Please try ________ the environment around here. A．not pollute B．not to pollute C．not polluted D．to pollute 42．There is also ________ rubbish and waste. A．too much B．too many C．much too D．many too 43．We should help ________ the sharks. A．saving B．to save C．to be saved D．saves 44．The official said they ________ a new law to protect the tourists the next year. A．makes B．would make C．made D．have made 45．Please________ the lights when you leave the classroom. A．turn on B．turn off C．turn up D．turn down 46．There is________advantage of this machine. It can save much electricity. A．an B．a C．the D．/ 47．It is ________ of you to kill cats and dogs. They are our friends. A．cruel B．nice C．good D．reusable 48．Sharks are at the top of the food chain, ________ if their numbers drop, the ocean’s ecosystem will be in danger. A．when B．although C．so D．but 49．Don’t talk in a ________ voice. We can’t hear you clearly. A．tall B．short C．high D．low 50．He hopes to set up ________ “metal art” theme park to show people the importance of environmental protection. A．a B．an C．the D．/ 51．Everything in the room was turned ________. A．break down B．get down C．look down D．upside down 52．She lives in a house ________ she built herself out of rubbish. A．where B．that C．why D．how 53．The easiest way to make ________ difference is not to drop litter. A．a B．an C．the D．/ 54．We are trying ________ the earth. A．to saving B．saving C．save D．to save 55．Riding a bike doesn’t ________ anything. A．cost B．spend C．afford D．take 56．Many people do not realize they are killing a whole shark ________ they enjoy a bowl of shark’s fin soup. A．but B．although C．when D．so 57．We should use ________ transportation to protect the environment. A．private B．public C．young D．old 58．The river ________ clean, but now it is dirty. A．used to be B．used to being C．was used to be D．was used to being 59．—Recycling paper is really easy.           —________. But it is hard to do that all the time. A．I don’t think so B．I hope so C．I disagree D．I agree 60．Can you make these things be put ________ good use? A．to B．in C．at D．for 61．Many buildings in her neighborhood were ________. A．cut off B．cut down C．pulled together D．pulled down 62．I waited for them ________ the bottom of the hill. A．at B．in C．for D．of 63．Although he looks ________ , he is very kind and friendly. A．ugly B．nice C．good D．happy 64．—Tom and Jack? I didn’t believe they could do the work. —________, but they really did it well. A．So did I. B．So I didn’t C．Neither did I. D．Me, too. 65．—Do you know ________ the iphone 5s last week. —Sorry, I have no idea. A．how much did she pay for B．how much will she pay for C．how much she paid for D．how much she will pay for 66．You __ drive your car so fast. It's very dangerous. A．wouldn't B．shouldn't C．couldn't D．mightn't 67．The old house is dangerous. It must be __________ soon. A．cut down B．pull down C．turned down D．pulled down 68．─Why do you buy this computer rather than that one？ ─This one is cheap. I can __________ it. A．sell B．borrow C．keep D．afford 69．I __________ the interesting TV play. Please don't turn it off，Mom. A．watch B．will watch C．watched D．am watching 70．After the rebuilding, our school is becoming . A．more and more beautiful B．more beautiful and beautiful C．beautiful and beautiful D．the more beautiful 71．I'm surprised to see you smoking. You __________，I remember. A．aren't used to B．weren't used to C．didn't use to D．don't use to 72．The heavy snow didn’t _____ the international airlines. A．pay attention to B．add to C．make a difference to D．keep to 73．Anyone who sings well can the activity in our school. A．take part in B．take off C．take out D．take care of 74．There was a big earthquake in that area，but luckily，many people __________. A．save B．saved C．are saved D．were saved 75．It's not a good habit to __________ things. You may need them some other time. A．throw away B．turn off C．take down D．run away 76．That one mistake almost him his life. A．took B．paid C．cost D．spent 77．We should keep the windows ______ in order to let the fresh air in. A．open B．opened C．close D．closed 78．—What's the ________of traveling by bike? —It can save money，keep us healthy and does not pollute the air. A．purpose B．suggestion C．advantage D．knowledge 79．Many kids laugh at Kim's looks and they think he is________. A．clever B．ugly C．nice D．kind 80．----Guess what ! Tina makes her own clothes. ----Wow, she is so _____. I could never do that. A．energetic B．simple C．creative D．popular 81． It ________ about eight minutes for sunlight (阳光) to travel from the sun to the earth. A．takes B．spends C．costs D．pays 82．Because of the water pollution, they had to _____the city’s water supply for several days. A．cut up B．cut out C．cut off D．cut down 83．—How did he make the model plane? —He made it ________ some iron. A．up of B．from C．into D．out of 84．----What should I do to be a green man? ----It’s very easy. For example, _____ your own bags when _____. A．taking, shopping B．take, shopping C．taking, you shopping D．take, you shopping 85．If the number of the sharks _____, all ocean life will be in danger as well. A．drop too low B．drops too low C．drop too little D．drops too little 86．She wants to learn more about American history．She is thirsty________such knowledge． A．at B．of C．for D．with 87．Who is better ______ playing basketball, you or your brother? A．at B．in C．on 88．—Tom, did you _______ the math test again? —No. I passed it. A．fall B．fail C．fill D．feel 89．—_____________ has Hong Kong been back to our motherland? —For 20 years. How time flies! A．How soon B．How long C．How often 90．You spend too much time on your mobile phone. You are supposed to _______ the time you spend on it. A．cut off B．cut down C．cut up 91．We all want to know who can ________the physics problem. You know, it’s very difficult． A．work out B．take out C．set out ．look out 92． his parents ______he likes the red car,but they can't afford it. A．Both;and B．Not only;but also C．Neither;nor D．Either;or 93．The students are interested in English and they all hope an English club. A．join B．joining C．to join D．joined 94．Lisa remember _______her mother.But her mother hasn't received the letter. A．to write B．writes C．writing D．wrote 95．You'd better _______your shoes before you go into her bedroom. Your shoes may make her new carpet dirty. A．turn off B．cut off C．take off D．put off 96．In the past few years, many schools ______ the ways of doing morning exercises. A．change B．changes C．will change D．have changed 97．Some boys in our class _____the footbal club for a year．They are crazy about playing football now． A．joined B．have joined C．have been in 98．He ____ go out with his parents, but now he ____ staying at home alone. A．used to; is used to B．is used to; used to C．used to; used to D．is used to; is used to 99．–Why are you so worried?    -I’ve lost the watch ______ my dad bought me on my birthday. A．what B．who C．whose D．which 100．—Could you please tell me_______ ? —Look!He is watching Kobe's last game with the boys over there. A．where Kevin is B．who is Kevin C．what is Kevin doing 原创精品资源学科网独家享有版权，侵权必究！1 学科网（北京）股份有限公司 $$