Unit 2 重难点知识梳理（讲义）-2024-2025学年七年级英语下册单元重难点精讲精练全突破（人教版2024）

Unit 2 重难点知识梳理（讲义) 1、No Rules, No order. 没有规矩，就没有秩序。 【用法详解】此处rule为名词，译为“规则、规章、条例” Eg: Everyone should follow the traffic rules. 每个人都应该遵守交通规则 The school has many rules. 学校有很多规章。 【用法拓展】rule还可以作动词，译为“统治、支配” Eg: I am going to rule this land. 我将统治这片土地。 常见搭配：follow/ keep the rule 遵守规则 The rules of the game 游戏规则 Eg: You must follow the school rules. 你必须遵守校规。 Do you know the rules of the game? 你知道游戏的规则吗？ What about ordering some noodles?　点些面条怎么样？ Order them to rest! 命令他们休息！ If you like them, please order them online.如果你喜欢它们，请在网上订购它们。 order n.点菜；顺序，次序 v.点菜，命令 【常见搭配】in order to do sth. = so that从句 “为了做某事” take one’s order 点菜 in order 有序地 order sb to do sth 命令某人做某事 in order整齐；有序；out of order出故障；无序；place an order下订单 。 Please put the books in order on the shelf. 请把书架上的书摆放整齐。 The machine is out of order. 这台机器出故障了。 He placed an order for some new clothes online. 他在网上下了一些新衣服的订单。 【即学即练】 ( )1. Look at the ______, Amy. What do you want to eat? A.order B. make C. cook D. meal ( ) 2. I went to bed early ______ wake up early. A.in order B. in order to C. so that D. such that 2.need动词，译为“需要”。 【用法详解】 Need在此句中为动词，译为“需要”。 常见搭配：need to do sth. 需要做某事（表主动） Need doing sth. 需要做某事（表被动） Eg: She needs to finish her work in one hour. 她需要一小时后完成工作。 The flowers need watering. 这些花需要浇水。 Need亦可作情态动词，此时无人称和数的变化，后面需加动词原形。 Eg: She need finish her work in one hour. 她需要一小时后完成工作。 此外need还可以作名词同样译为“需要”。 常见搭配：in need 困难中的、有需要的、困难中的 Eg: Let’s help people in need. 让我们帮助困难中的人吧。 A friend in need is a friend indeed. 患难见真情。 【即学即练】 ( )1. Grandpa _____ to water the flowers now. It’s going to rain soon. A. isn’t needing B. needn’t C. doesn’t need D. needs ( )2. Look! Your shirt is so dirty. It _______. A. need washing B. need to wash C. needs washing D. need wash ( )3. There is plenty of time. You _____ be in such a hurry. A. must B. needn’t C. can D. mustn’t 3、Don't be late for school.上学不要迟到。 【用法详解】be late for迟到与arrive late for同义。be late for侧重状态，arrive late for 侧重动作。 Don't be late next time. 下次不要迟到了。 Tom is never late for school.　汤姆上学从不迟到。 【用法详解】late为形容词，译为“迟的、晚的”。 Look at the time! We’ll be late. 看几点了！我们要迟到了。 【常见搭配】be late for ... 迟到 We’ll be late for the meeting if we stay any longer. 再不走我们开会就要迟到了。 3.Arrive on time.上学不要迟到，准时到达。 arrive v.到达 不及物动词 近义词：get, reach 【辨析】arrive/ get/ reach arrive vi.到达 arrive at+小地方 arrive in+大地方 get vi. 到达 get to+地点 reach vt.到达 reach+地点 【用法拓展】①get to到达后接地点名词。若接here/there/home/abroad/upstairs/downstairs等地点副词则省略介词 to。 We get to school at 8: 00 every morning.　我们每天早上8点到校。 After school, I get/arrive/reach home at 6 o’clock. ② arrive(in/at)和 get(to)可进行同义转换。 They must arrive at/get to the village at8:00 today.今天他们必须在8点到达那个村庄。 They usually arrive/get home at 11: 30 in the morning.他们通常在上午11点半到家。 It is raining hard.I am afraid that we can't get to the airport on time. （同义替换）______ A.arrive at B.get along with C.take part in D.go to 4、Wear the school uniform. 穿校服。 【用法详解】wear为动词，译为“穿、戴”等意。 Eg: She wears a red dress today. 她今天穿着一条红色连衣裙。 The girl wears a pair of glasses. 那个女孩戴了一副眼镜。、 【用法拓展】Wear, put on, dress, in区别： Put on强调穿衣服的动作 Eg: It’s cold outside, please put on your sweater. 外面天气冷，请穿上你的毛衣。 wear强调穿衣服的状态 Eg: The girl wears a sweater today. 这个女孩今天穿了一件毛衣。 Dress 后面接人，表示给某人穿衣服 Eg: The boy is too young to dress himself. 这个小那还太小了不能自己穿衣服。 in 后面常常接颜色表示穿某颜色的衣服 Eg: The girl in red is my little sister. 穿红衣服的女孩是我小妹妹。 单词 词义 用法 put on+衣服 穿上； 戴上 强调动作 ，不与一段时间连用 wear+服饰 穿着； 戴着 强调状态 ，宾语可以是衣帽、饰品等 dress+人 穿着； 穿上 既可指状态也可指动作，后接人作宾语， 不能接具体衣服 in+衣服/颜色 穿着 强调状态 【即学即练】 ( )1. The woman ____ white looks like a doctor. A. with B. in C. wears D. puts on ( )2. The thin man ______ a black jacket. That’s cool. A. with B. in C. wears D. puts on 【即学即练】 ( )1. The woman ____ white looks like a doctor. B. with B. in C. wears D. puts on ( )2. The thin man ______ a black jacket. That’s cool. B. with B. in C. wears D. puts on 5 、Keep your school clean and tidy.保持学校干净整洁。 【用法详解】keep(过去式：kept) ①〔动词〕 a.保持；keep+宾语+宾语补足语；使···保持某种状态，充当宾语补足语的可以是形容词、副词、动词-ing形式或介词短语等。 I must keep my bedroom clean.　我必须保持我的卧室干净。 b.保留后可接时间段。 You can keep the book for two weeks.　你可以借用这本书两周。 c.遵守与 follow 同义。 Everyone must keep the rules.　大家必须遵守规则。 d.存放，储存 Where do you keep your bags?　你把包放哪儿了? ②〔连系动词〕保持，后接形容词等作表语。 We must keep quiet in the library.　在图书馆,我们必须保持安静。 常见搭配：keep + 形容词 “保持...” Keep sb./sth. + 形容词 “使某人/某物保持某种状态” Keep doing sth. “一直做某事” 请保持安静！Please keep quiet. 请保持你们的教室干净。Please keep your classroom clean . 王先生没日没夜的工作。Mr. Wang keeps working day and night. 【即学即练】 ( )1. Please keep _____ hard, you must get good grades. A.study B. studying C. to study D. to studying ( )2. We should _____ the place before we move in. A. tidy in B. tidy out C. tidy away D. tidy up 6、Be polite and treat everyone with respect. 保持礼貌，对每个人尊敬。 【用法详解】polite为形容词，译为“有礼貌的”，其反义词为impolite，译为“不礼貌的”。 She is a polite girl.她是一个文雅的姑娘。 【常见搭配】be polite to sb. 对某人有礼貌 It's polite of sb to do sth 某人做某事很有礼貌 She's always very polite. 她总是很有礼貌。 We should be polite to strangers.　我们应该对陌生人有礼貌。 We should be polite to the elderly.我们应该对老年人有礼貌 It is polite of him to give his seat to my mother.他把座位让给我母亲真有礼貌 【用法拓展】polite 形容词→ 副词 politely 礼貌地 →反义词 impolitely 无礼地； 【即学即练】 ( )1. It is ______ to let the old man sit on your seat on the bus. A.polite B. impolite C. important D. necessary 7、Put up your hand if you want to ask your teacher a question. 如果你想要问老师问题请举手。 【用法详解】①Put up one’s hand译为“举手”，其同义词为“raise one’s hand” 【拓展】 ①举起；张贴 Please put up your hand if you have any questions. 如果你有任何问题，请举手。 You'd better put up a notice here.　你最好在这儿贴一个通知。 We put up the advertisement on the wall. 我们把广告张贴在墙上。 ②搭建；建造 Two men are putting up a tent in the rain.　两个男人正在雨中搭建帐篷。 I help him put up some shelves in his bed-room. 我帮他在卧室里装几个搁架。 They put up a tent by the fire. 他们在火堆旁搭起帐篷。 【注意】put up是“动词+副词”结构，当宾语是人称代词时，要放在put和up之间，当宾语是名词时，可以放在put和up之间，也可以放到up之后。 【用法拓展】其他与put相关的常见短语： put away 放好 put back 放回 put on 穿上 ;上演;增重 put off 推迟，拖延 put down放下，镇压 put out 放出，伸出，熄灭，关（灯） 【即学即练】 ( )1. They will ______ a new house here. A.put up B. put on C. put off D. put out 知识点2：if引导的条件状语从句 (1) if引导的条件状语从句既可位于主句之前，也可位于主句之后。位于主句之前时，从句后面要用逗号与主句隔开。 Eg. If you see him, give him this note. 你要是见到他, 就把这个便条给他。 You can stay for the weekend if you like. 你如果愿意就留在这里过周末吧。 (2) 当主句是祈使句或含有情态动词时，从句通常用一般现在时时。 Eg. If you want to get good grades, you must study harder. 如果你想要取得好的成绩, 你必须更加努力地学习。 Get up early if you want to catch the early bus. 如果你想赶早班车就要早起。 We won't go to the zoo if it rains tomorrow.　如果明天下雨，我们就不去动物园了。 If you finish your homework early, you can go out and play.如果你早早完成作业，你就可以出去玩。 If it rains tomorrow, I will stay at home. 如果明天下雨，我就呆在家里。 【即学即练】 ( )1. If you _____ to the party, you’ll have a great time. A.will go B. went C. go D. going ( )2. I wonder if she ______ tomorrow. A.will come B. came C. come D. coming 知识点3 Ask为动词，译为“问”。 常见搭配：ask sb. for help 向某人寻求帮助 Ask sb. (not) to do sth. 要求某人（不）做某事 Ask some questions 问一些问题 Eg: You can ask me for help if you have some questions. 如果你有一些问题，你可以向我寻求帮助。 My mum asked me to finish my homework before dinner. 我妈妈要求我晚饭 【即学即练】 ( )1. If you _____ to the party, you’ll have a great time. A. will go B. went C. go D. going ( )2. I wonder if she ______ tomorrow. A. will come B. came C. come D. coming ( )3. Mr. Li asks the students ______ in the river, because it’s too dangerous. A. swim B. to swim C. not to swim D. to not swim ( )4. I’m not sure what to do. Could you ask ______ advice? A. at B. to C. for D. in ( )5. They will ______ a new house here. A. put up B. put on C. put off D. put out 前完成作业。 8、She has to walk in the hallway. 你不得不在走廊里走。 【用法详解】have to译为“不得不”，其中have可随时态和人称变化，其否定形式为don’t have to，译为“不必”。 I have to stay at home tonight . 今晚我不得不待在家里。 I don’t have to stay at home tonight.今晚我不必呆在家里。 【用法拓展】have to和must区别 have to强调客观上的需要，表示由于客观因素而不得不做某事； must 强调主观上的义务或责任，表示说话者认为有必要或有义务去做某事。 I have to go now because I have an appointment. 我必须现在走，因为我有约。 You must study hard to pass the exam. 你必须努力学习才能通过考试。 【即学即练】 ( )1. We ______ clean the classroom after school. A.must B. have to C. mustn’t D. don’t have to ( )2. The teacher said we ______ finish our homework on time. A.must B. have to C. mustn’t D. don’t have to 9、Oh, but we can't/mustn't bring our mobile phones to class.哦，但是我们不能/禁止把手机带到课堂上。 【用法详解】 (1)bring〔及物动词〕带··到某处；带来；取来 bring...to...把.......带到...... bring sb sth= bring sth for sb 带给某人某物 Please bring some photos to school tomorrow. 明天请带一些照片到学校来。 Can you bring me the book?你把那本书给我带来好吗? =Can you bring the book for me? 【用法拓展】bring, take与get 【易混辨析】☑重点: bring, take 与 get 单词 含义及用法 图解助记 bring 意为“带来”， 强调将某人或某物从别的地方带到说话者所在的地方来 常用搭配：bring...to把某物/某人带到… bring“带来”是单程, take相反是“带走”, get 往返“去拿来”。 take 意为“带走”， 强调说话者所在的地方将某人或某物带到别的地方去 get 意为“去拿来”， 离开说话者所在的地方去取某物后再回来， 强调动作的往返 Please bring your book here.　请把你的书带到这儿来。 The girl takes the box away.　那个女孩拿走了箱子。 There are some apples in the next room. Can you get them for me?隔壁房间里有一些苹果,你能为我去把它们取来吗? 10、Keep the rules and let’s have fun! 遵守规则，让我们玩得开心。 【用法详解】 ①let’s 意为“咱们”=let us ,后接动词原形。 【用法拓展】let sb do sth 让某人干某事 Please let him open the door .请让他去开门。 【注意】Let’s ...... 的回答：Good idea ; All right ;That sounds good -Let’s play basketball this afternoon .咱们今天下午一起打篮球。-All right .好/行。 ②have fun 玩得开心 【拓展】have fun doing sth做某事玩得开心 have fun=have a good time=enjoy oneself I had fun going shopping with my family yesterday. 11.“It is + 形容词 ( + for/ of sb. ) + to do sth. “(对某人来说)做某事是...”” 【用法详解】 当形容词为人品格的形容词时用of，其它形容词用for It’s kind of you to help me. 你帮我太善良了。 It’s important for us to learn English. 对我们来说学英语很重要。 【即学即练】 ( )1. It’s difficult _____ me ______ this math problem. A.for; to understand B. of; to understand C. for; understand D. of; understand ( )2. It’s honest _____ you ______ your mistake. A.for; to admit B. of; to admit C. for; admit D. of; admit 12、Keeping the rules is good for us. 遵守规则对我们有好处。 【用法详解】 keeping the rules为动名词作主语；动名词作主语时，谓语动词需用单数形式。 Running is a good sport. 【用法拓展】两个或两个以上动词-ing形式做主语时，则谓语动词用复数形式 Swimming and playing basketball are my favourite sports. 【即学即练】 ( )1. _______ is one of the useful ways to protect our eyes. A.Do eye exercise B. To do eye exercise C. Doing eye exercise D. To doing eye exercise 13.I can’t find my pencil box. I think it’s in my locker. 我找不到我的铅笔盒了。 我觉得它在我的储物柜里。 【用法详解】 “I think it’s in my locker”为宾语从句；其中主句为”I think”，从句为“it’s my locker.” 注意：以I think/believe开头的宾语从句，变为否定句时需否定前移。 Eg: I think he is a good boy. 我觉得他是个好孩子。 -- I don't think he is a good boy. 我觉得他不是一个好孩子。 【易混辨析】find和look for 区别 Find译为“发现、找到”，强调寻找的结果； Look for译为“寻找”，强调寻找的过程。 Eg: I looked for my book everywhere, but I can’t find it. 我到处找我的书但是我没有找到。 【即学即练】 ( )1. Mike is ______ his pen, but he can’t _____ it. A. finding; look for B. looking for; finding C. looking for; find D. find; looking for ②“I think it’s in my locker”为宾语从句；其中主句为”I think”，从句为“it’s my locker.” 14.too many 易混词组 意义及用法 例句 too many “太多”，+可数名词复数 There are too many rules here. too much “太多”，+不可数名词 或放在动词后修饰动词 I have too much homework today. I eat too much. much too “太，非常”，修饰形容词/副词 My mother is much too busy. 【即学即练】 ( )1. Today, _____ trees are still being cut down somewhere in the world. A. much too B. too much C. many too D. too many ( )2. Look! There’s ______ ice on the lake. A. too much B. much too C. too many D. many too ( )3. The sweater is very beautiful, but it’s _____dear. A. too much B. much too C. too many D. many too 15、I can lend you my pen. 我可以把我的钢笔借给你。 【用法详解】 lend为动词，译为“借”，常跟介词to； lend通常表示“借出”，后面跟介词to，表示“借给某人”； borrow通常表示“借入”，后面跟介词from，表示“从某人那里借”。 常见搭配：lend sb. sth. = lend sth. to sb. 借给某人某物 【用法拓展】borrow, lend 与 keep lend “借出”，指把自己的东西借给别人， 为非延续性动词，不能和段时间连用 lend sb.  sth. ＝ lend sth.  to sb.  将某物借给某人 borrow “借；向...借”，指从别人或别处借东西，为非延续性动词，不能和段时间连用 borrow sth.  from sb. /sp. 从某人/某处借某物 keep “借，保存，保持”，指借用某物一段时间，为延续性动词。 keep sth.  for some time  借用某物一段时间 --My bike is broken. Could I borrow yours? -- Sure. You can keep it for two days. She lent me a book. = She lent a book to me. 她借给我一本书。 I borrowed a book from the library. 我从图书馆借了一本书。 【即学即练】 ( )1. -- Could you please _____ me your notebook, Grace? -- Certainly. Here you are. A.borrow B. to borrow C. lend D. to lend 【练习题】 · —May I ________ your bike? —Certainly, but you mustn’t ________ it to others. A．lend; lend B．borrow; lend C．borrow; borrow D．lend; borrow · —How long may I ________ your dictionary? —For one week. But you mustn’t ________ it to others. A．keep; lend B．borrow; lend C．lend; be borrowed D．have; borrow 16、We have to turn them off and keep them in our lockers. 我们不得不关机然后把它们存在储物柜里。 【用法详解】 turn off关掉（水、电或煤气等）反义短语为turn on“打开（水、电或煤气等）”。 Please turn off/on the radio. 请把收音机关上/打开。 【用法拓展】常用的关于turn的短语还有： turn up调大/高 turn down 调小/低；拒绝 turn into 变成；使变成 turn around转身 【注意】turn off, turn on, turn up与 turn down 都是“动词+副词”结构，当名词作宾语时，名词置于短语后面或动词与副词之间；若人称代词作宾语，人称代词必须置于动词与副词之间。 Turn on the computer.打开电脑。 =Turn the computer on. Turn them off, please. 请把它们关上。 【即学即练】 ( )1. The lights must be ______ before you leave the classroom. A.turned on B. turned up C. turned down D. turned off 17、-Thanks for telling me, Anne. 谢谢你告诉我，安妮。 -You’re welcome, Tom.不客气，汤姆。 【用法详解】 Thank you for...意为“为...而感谢你（们）”，相当于thanks for... ；for是介词，表示原因，后接名词、代词或动词-ing形式。 You’re welcome “别客气，不用谢”，用于礼貌地回答别人的感谢。 【用法拓展】常用的答语还有Not at all. /That’s OK. /That’s all right. / (It’s)my pleasure... 18、Don’t jump the queue. You must wait for your turn. 不要插队。你必须等着轮到你。 【用法详解】 (1) jump the queue 插队 join the queue排队　stand in a queue 站成一排 It's not polite to jump the queue.　插队是不礼貌的。 You'll have to join the queue. 你得排队。 Stand in a queue and don't push others.　站成一排，不要推别人。 (2)queue ①〔可数名词〕队，行列 This is a long queue at the ticket office.　售票处排着长队。 ②[动词〕排队（等候） People queue to buy tickets.　人们排队买票【用法详解】wait为动词，译为“等待”。 常见搭配：wait for sb./sth. 等待某人/某物 Wait to do sth. 等待做某事 Can’t wait to do sth. 迫不及待做某事 Someone is waiting for you there. 在那儿有人在等候你。 We are waiting for him to go shopping now .现在我们正在等候他一起去购物。 I can’t wait to meet my parents .我迫不及待要见我的父母。 19.rise, arise与raise区别： 【用法详解】 rise (动词)“上升”表示由低到高的变化过程，强调主语自身移向较高位置。 arise (动词)“起身”主语发出的动作，作用到其它事物。 raise (动词)“举起” 表示把具体事物举到高处。 The sun rises. 太阳升起来了。 He arises to greet her. 他起身向她问候。 He raises his hand to answer questions. 他举手回答问题 【即学即练】 用rise或raise填空 1.The sun __rises__ in the east. 2.How did the quarrel (争吵) _arise__? 3.The boss promised to __raise__ her salary. 20、I can feed my dog many kinds of food.but I mustn't/can't give him chocolate.我可以给我的狗喂多种食物，但我一定不/不能给他巧克力。 【用法详解】 feed〔及物动词〕喂养；饲养（过去式：fed)其后常接表示动物名称的词作宾语。 feed的常见用法有： ①feed sb/sth 喂某人/某物 I feed my pet cat every day.　我每天都喂我的宠物猫。 ② feed sth to sb/sth 把某物喂给某人/某物 Please feed some grass to the cow.　请给这头奶牛喂些草。 She fed milk to the baby.　她给婴儿喂了奶。 ③feed...on/with...用......喂....... He feeds the dog on meat.他用肉喂狗。 【用法拓展】feed on 以··为生；以···为食 Cows and horses feed on grass.　牛和马以草为食。 21、But you must tell your teacher about it when you have to be absent from class.但是当你不得不缺课时你必须告诉你的老师。 【用法详解】 ①tell 动词 告诉 【词组】tell sb about sth 告诉某人关于某东西 tell sb to do sth 告诉某人干某事 tell sb not to do sth 告诉某人不要干某事 Our teacher told us not to play football on the road .我们老师告诉我们不要在道路上踢足球。 ②absent为形容词，译为“缺席的”，其名词形式为absence。 【词组】be absent from... 缺席...... He is often absent from school .他经常缺课。 【即学即练】 1.Li Ming has been _absent_ (absence) from class three times this week. ( )2. Mr. Wang is absent _____ the important meeting today. A.with B. for C. on D. from 22、We must keep quiet. We mustn’t make noise. 我们必须保持安静。我们不准制造噪音。 【用法详解】 ①quiet为形容词，译为“安静的、宁静的、文静的”，其副词形式为quietly。 常见搭配： be quiet = keep quiet 保持安静。 Be quiet ,my father is sleeping .保持安静，我爸爸正在睡觉。 ②noise为不可数名词，译为“噪音”；其形容词形式为noisy，译为“吵闹的”。 常见搭配：make noise 制造噪音 【用法拓展】sound, voice与noise区别： 【易混辨析】 sound, voice与noise区别： sound指自然界中所有的声音 voice指人说话的声音或悦耳的鸟叫 noise指让人不舒服的噪音 sound of music 音乐之声 That sounds great. 听起来不错。 The girl’s voice is sweet. 这个女孩的声音很甜美。 Don’t make noise, please. 请不要制造噪音。 【即学即练】 ( )1. There is a lot of _____ next door. They must be having a party. A.sound B. noise C. voice D. noisy ( )2. The girl has a sweet _____. She sings very well. A.voice B. noise C. sound D. sounds 23、Can I leave the classroom if I don't feel well?如果我感觉不舒服，我可以离开教室吗？ 【用法详解】 leave〔动词〕（过去式：left) ①离开 leave+地点 离开某地 leave for+地点 动身去某地 leave+地点+for+地点 离开某地去某地 When did you leave Shanghai?　你是什么时候离开上海的？ I'll leave for Beijing tomorrow.　明天我要动身去北京。 I'll leave Shanghai for Beijing.　我要离开上海去北京。 ②留下 leave+宾语+地点状语把···留在某地 leave sb by oneself 把某人单独留下 I will leave a message on the table.　我会在桌子上留个信息。 Don't leave young children at home.　不要把小孩子留在家里。 She is only five years old. Don't leave her by herself. 她只有五岁，不要把她单独留下。 ③听任，使处于..状态→ leave sth. +adj Please leave me alone. 请让我一个人呆着。 ④leave 的进行时表达将来时概念 I am leaving tomorrow.我明天就要走了。 【用法拓展】left ①leave 过去式 ② n.左边 ③adj.左边的；剩余的；留下的 There's nothing left in the fridge.冰箱里什么都没有了。 left-behind children 留守儿童 24、I have to finish my homework first. 我必须先完成我的作业。 【用法详解】 finish为动词，译为“完成、结束”。相当于“be over” 常见搭配：finish doing sth. 结束做某事 I finally finished doing my homework. 我最后完成了作业。 25、I can only play basketball after I practise the piano.我练习完钢琴后才能打篮球。 【用法详解】 ①play basketball 打篮球 play后接球类或棋牌类时无需加定冠词，后面接乐器时需加定冠词the。play+球/棋类 play the+乐器类 My sister likes playing the piano while I like playing basketball. ②practise v. 练习 其名词 practice 练习 【词组】practise doing sth练习做某事 I practise playing football for one hour after school .我明天放学后训练足球一个小时。 26、I know it’s hard, but rules can help to make the world better. 我知道那很难，但是规则可以帮助让世界变得更好。 【用法详解】 ①hard为形容词，译为“难的”，相当于difficult；也可译为“坚固的、结实的”； It’s hard(difficult) for me to work out the problem .对我来说，解决这个问题很难。 【用法拓展】 hard 与hardly 区别 hard也可为副词，译为“努力地、猛烈地”。 hardly 意思是“几乎不”，表“否定”含义。 It's raining hard now，I hardly go out . 现在正在下大雨,我几乎不能出去。 ②make在此处为动词，译为“使成为”，也可译为“制作” 常见搭配：make a cake 做蛋糕 make sb./sth + 形容词 使某人/某事处于某种状态 make sb. do sth. 使某人某事 The story makes me happy. 这个故事让我快乐。 The story make me cry. 这个故事使我感到流泪。 27、When I'm at school, I mustn't use my phone in class either.在学校的时候，我也不能在课堂上使用手机。 【用法详解】 【用法拓展】either,too与also 　三者均有“也”的意思，但用法不同。 either用于否定句，位于句末，前面可加逗号，也可不加。 too　用于肯定句或疑问句；位于句末，前面可加逗号，也可不加。 also 用于肯定句, 位于句中，助动词、情态动词、连系动词be之后，实义动词之前。 He doesn't want to go either.　他也不想去。 I can swim too. 我也会游泳。 He also wants to go. 他也想去。 28.Dr. Know’s advice 万事通博士的建议 【用法详解】 Advice为不可数名词，译为“建议”，可以用much, a little等词修饰。 常见搭配：a piece of advice 一条建议 Some advice 一些建议 Eg: I need some advice about how to learn English. 我需要一些关于如何学英语的建议。 advice的动词形式为advise，译为“建议”。 常见搭配：advise sb. to do sth. 建议某人做某事 Eg: She advised me to go there by bus. 她建议我坐公交车去那。 【用法拓展】suggestion为可数名词，译为“建议”，可以用many, a few等词修饰。 Suggestion的动词形式为suggest，译为“建议”。 常见搭配：suggest doing sth. 建议做某事 注意：suggest后接that从句，从句中谓语动词用原形。 Eg: I suggest that you ask for advice. 我建议你咨询建议。 【即学即练】 ( )1. The woman asked the doctor for some ______. A. advice B. advices C. suggestion D. advise ( )2. Can you give me _____ on how to solve the problem? A. some advice B. any advice C. some suggestion D. any suggestion ( )3. Mr. Wu ______ David _____ a new tape recorder yesterday. A. advised; bought B. advised; to buy C. suggested; to buy D. suggested; to buying 原创精品资源学科网独家享有版权，侵权必究！学科网（北京）股份有限公司 学科网（北京）股份有限公司 $$ Unit 2 重难点知识梳理（讲义) 1、No Rules, No order. 没有规矩，就没有秩序。 【用法详解】此处rule为名词，译为“规则、规章、条例” Eg: Everyone should follow the traffic rules. 每个人都应该遵守交通规则 The school has many rules. 学校有很多规章。 【用法拓展】rule还可以作动词，译为“统治、支配” Eg: I am going to rule this land. 我将统治这片土地。 常见搭配：follow/ keep the rule 遵守规则 The rules of the game 游戏规则 Eg: You must follow the school rules. 你必须遵守校规。 Do you know the rules of the game? 你知道游戏的规则吗？ What about ordering some noodles?　点些面条怎么样？ Order them to rest! 命令他们休息！ If you like them, please order them online.如果你喜欢它们，请在网上订购它们。 order n.点菜；顺序，次序 v.点菜，命令 【常见搭配】in order to do sth. = so that从句 “为了做某事” take one’s order 点菜 in order 有序地 order sb to do sth 命令某人做某事 in order整齐；有序；out of order出故障；无序；place an order下订单 。 Please put the books in order on the shelf. 请把书架上的书摆放整齐。 The machine is out of order. 这台机器出故障了。 He placed an order for some new clothes online. 他在网上下了一些新衣服的订单。 【即学即练】 ( A )1. Look at the ______, Amy. What do you want to eat? A.order B. make C. cook D. meal ( B ) 2. I went to bed early ______ wake up early. A.in order B. in order to C. so that D. such that 2.need动词，译为“需要”。 【用法详解】 Need在此句中为动词，译为“需要”。 常见搭配：need to do sth. 需要做某事（表主动） Need doing sth. 需要做某事（表被动） Eg: She needs to finish her work in one hour. 她需要一小时后完成工作。 The flowers need watering. 这些花需要浇水。 Need亦可作情态动词，此时无人称和数的变化，后面需加动词原形。 Eg: She need finish her work in one hour. 她需要一小时后完成工作。 此外need还可以作名词同样译为“需要”。 常见搭配：in need 困难中的、有需要的、困难中的 Eg: Let’s help people in need. 让我们帮助困难中的人吧。 A friend in need is a friend indeed. 患难见真情。 【即学即练】 ( C )1. Grandpa _____ to water the flowers now. It’s going to rain soon. A. isn’t needing B. needn’t C. doesn’t need D. needs ( C )2. Look! Your shirt is so dirty. It _______. A. need washing B. need to wash C. needs washing D. need wash ( C )3. There is plenty of time. You _____ be in such a hurry. A. must B. needn’t C. can D. mustn’t 3、Don't be late for school.上学不要迟到。 【用法详解】be late for迟到与arrive late for同义。be late for侧重状态，arrive late for 侧重动作。 Don't be late next time. 下次不要迟到了。 Tom is never late for school.　汤姆上学从不迟到。 【用法详解】late为形容词，译为“迟的、晚的”。 Look at the time! We’ll be late. 看几点了！我们要迟到了。 【常见搭配】be late for ... 迟到 We’ll be late for the meeting if we stay any longer. 再不走我们开会就要迟到了。 3.Arrive on time.上学不要迟到，准时到达。 arrive v.到达 不及物动词 近义词：get, reach 【辨析】arrive/ get/ reach arrive vi.到达 arrive at+小地方 arrive in+大地方 get vi. 到达 get to+地点 reach vt.到达 reach+地点 【用法拓展】①get to到达后接地点名词。若接here/there/home/abroad/upstairs/downstairs等地点副词则省略介词 to。 We get to school at 8: 00 every morning.　我们每天早上8点到校。 After school, I get/arrive/reach home at 6 o’clock. ② arrive(in/at)和 get(to)可进行同义转换。 They must arrive at/get to the village at8:00 today.今天他们必须在8点到达那个村庄。 They usually arrive/get home at 11: 30 in the morning.他们通常在上午11点半到家。 It is raining hard.I am afraid that we can't get to the airport on time. （同义替换）___A___ A.arrive at B.get along with C.take part in D.go to 4、Wear the school uniform. 穿校服。 【用法详解】wear为动词，译为“穿、戴”等意。 Eg: She wears a red dress today. 她今天穿着一条红色连衣裙。 The girl wears a pair of glasses. 那个女孩戴了一副眼镜。、 【用法拓展】Wear, put on, dress, in区别： Put on强调穿衣服的动作 Eg: It’s cold outside, please put on your sweater. 外面天气冷，请穿上你的毛衣。 wear强调穿衣服的状态 Eg: The girl wears a sweater today. 这个女孩今天穿了一件毛衣。 Dress 后面接人，表示给某人穿衣服 Eg: The boy is too young to dress himself. 这个小那还太小了不能自己穿衣服。 in 后面常常接颜色表示穿某颜色的衣服 Eg: The girl in red is my little sister. 穿红衣服的女孩是我小妹妹。 单词 词义 用法 put on+衣服 穿上； 戴上 强调动作 ，不与一段时间连用 wear+服饰 穿着； 戴着 强调状态 ，宾语可以是衣帽、饰品等 dress+人 穿着； 穿上 既可指状态也可指动作，后接人作宾语， 不能接具体衣服 in+衣服/颜色 穿着 强调状态 【即学即练】 ( B )1. The woman ____ white looks like a doctor. A. with B. in C. wears D. puts on ( C )2. The thin man ______ a black jacket. That’s cool. A. with B. in C. wears D. puts on 【即学即练】 ( B )1. The woman ____ white looks like a doctor. B. with B. in C. wears D. puts on ( C )2. The thin man ______ a black jacket. That’s cool. B. with B. in C. wears D. puts on 5 、Keep your school clean and tidy.保持学校干净整洁。 【用法详解】keep(过去式：kept) ①〔动词〕 a.保持；keep+宾语+宾语补足语；使···保持某种状态，充当宾语补足语的可以是形容词、副词、动词-ing形式或介词短语等。 I must keep my bedroom clean.　我必须保持我的卧室干净。 b.保留后可接时间段。 You can keep the book for two weeks.　你可以借用这本书两周。 c.遵守与 follow 同义。 Everyone must keep the rules.　大家必须遵守规则。 d.存放，储存 Where do you keep your bags?　你把包放哪儿了? ②〔连系动词〕保持，后接形容词等作表语。 We must keep quiet in the library.　在图书馆,我们必须保持安静。 常见搭配：keep + 形容词 “保持...” Keep sb./sth. + 形容词 “使某人/某物保持某种状态” Keep doing sth. “一直做某事” 请保持安静！Please keep quiet. 请保持你们的教室干净。Please keep your classroom clean . 王先生没日没夜的工作。Mr. Wang keeps working day and night. 【即学即练】 ( B )1. Please keep _____ hard, you must get good grades. A.study B. studying C. to study D. to studying ( D )2. We should _____ the place before we move in. A. tidy in B. tidy out C. tidy away D. tidy up 6、Be polite and treat everyone with respect. 保持礼貌，对每个人尊敬。 【用法详解】polite为形容词，译为“有礼貌的”，其反义词为impolite，译为“不礼貌的”。 She is a polite girl.她是一个文雅的姑娘。 【常见搭配】be polite to sb. 对某人有礼貌 It's polite of sb to do sth 某人做某事很有礼貌 She's always very polite. 她总是很有礼貌。 We should be polite to strangers.　我们应该对陌生人有礼貌。 We should be polite to the elderly.我们应该对老年人有礼貌 It is polite of him to give his seat to my mother.他把座位让给我母亲真有礼貌 【用法拓展】polite 形容词→ 副词 politely 礼貌地 →反义词 impolitely 无礼地； 【即学即练】 ( A )1. It is ______ to let the old man sit on your seat on the bus. A.polite B. impolite C. important D. necessary 7、Put up your hand if you want to ask your teacher a question. 如果你想要问老师问题请举手。 【用法详解】①Put up one’s hand译为“举手”，其同义词为“raise one’s hand” 【拓展】 ①举起；张贴 Please put up your hand if you have any questions. 如果你有任何问题，请举手。 You'd better put up a notice here.　你最好在这儿贴一个通知。 We put up the advertisement on the wall. 我们把广告张贴在墙上。 ②搭建；建造 Two men are putting up a tent in the rain.　两个男人正在雨中搭建帐篷。 I help him put up some shelves in his bed-room. 我帮他在卧室里装几个搁架。 They put up a tent by the fire. 他们在火堆旁搭起帐篷。 【注意】put up是“动词+副词”结构，当宾语是人称代词时，要放在put和up之间，当宾语是名词时，可以放在put和up之间，也可以放到up之后。 【用法拓展】其他与put相关的常见短语： put away 放好 put back 放回 put on 穿上 ;上演;增重 put off 推迟，拖延 put down放下，镇压 put out 放出，伸出，熄灭，关（灯） 【即学即练】 ( A )1. They will ______ a new house here. A.put up B. put on C. put off D. put out 知识点2：if引导的条件状语从句 (1) if引导的条件状语从句既可位于主句之前，也可位于主句之后。位于主句之前时，从句后面要用逗号与主句隔开。 Eg. If you see him, give him this note. 你要是见到他, 就把这个便条给他。 You can stay for the weekend if you like. 你如果愿意就留在这里过周末吧。 (2) 当主句是祈使句或含有情态动词时，从句通常用一般现在时时。 Eg. If you want to get good grades, you must study harder. 如果你想要取得好的成绩, 你必须更加努力地学习。 Get up early if you want to catch the early bus. 如果你想赶早班车就要早起。 We won't go to the zoo if it rains tomorrow.　如果明天下雨，我们就不去动物园了。 If you finish your homework early, you can go out and play.如果你早早完成作业，你就可以出去玩。 If it rains tomorrow, I will stay at home. 如果明天下雨，我就呆在家里。 【即学即练】 ( C )1. If you _____ to the party, you’ll have a great time. A.will go B. went C. go D. going ( A )2. I wonder if she ______ tomorrow. A.will come B. came C. come D. coming 知识点3 Ask为动词，译为“问”。 常见搭配：ask sb. for help 向某人寻求帮助 Ask sb. (not) to do sth. 要求某人（不）做某事 Ask some questions 问一些问题 Eg: You can ask me for help if you have some questions. 如果你有一些问题，你可以向我寻求帮助。 My mum asked me to finish my homework before dinner. 我妈妈要求我晚饭 【即学即练】 ( C )1. If you _____ to the party, you’ll have a great time. A. will go B. went C. go D. going ( A )2. I wonder if she ______ tomorrow. A. will come B. came C. come D. coming ( B )3. Mr. Li asks the students ______ in the river, because it’s too dangerous. A. swim B. to swim C. not to swim D. to not swim ( C )4. I’m not sure what to do. Could you ask ______ advice? A. at B. to C. for D. in ( A )5. They will ______ a new house here. A. put up B. put on C. put off D. put out 前完成作业。 8、She has to walk in the hallway. 你不得不在走廊里走。 【用法详解】have to译为“不得不”，其中have可随时态和人称变化，其否定形式为don’t have to，译为“不必”。 I have to stay at home tonight . 今晚我不得不待在家里。 I don’t have to stay at home tonight.今晚我不必呆在家里。 【用法拓展】have to和must区别 have to强调客观上的需要，表示由于客观因素而不得不做某事； must 强调主观上的义务或责任，表示说话者认为有必要或有义务去做某事。 I have to go now because I have an appointment. 我必须现在走，因为我有约。 You must study hard to pass the exam. 你必须努力学习才能通过考试。 【即学即练】 ( B )1. We ______ clean the classroom after school. A.must B. have to C. mustn’t D. don’t have to ( A )2. The teacher said we ______ finish our homework on time. A.must B. have to C. mustn’t D. don’t have to 9、Oh, but we can't/mustn't bring our mobile phones to class.哦，但是我们不能/禁止把手机带到课堂上。 【用法详解】 (1)bring〔及物动词〕带··到某处；带来；取来 bring...to...把.......带到...... bring sb sth= bring sth for sb 带给某人某物 Please bring some photos to school tomorrow. 明天请带一些照片到学校来。 Can you bring me the book?你把那本书给我带来好吗? =Can you bring the book for me? 【用法拓展】bring, take与get 【易混辨析】☑重点: bring, take 与 get 单词 含义及用法 图解助记 bring 意为“带来”， 强调将某人或某物从别的地方带到说话者所在的地方来 常用搭配：bring...to把某物/某人带到… bring“带来”是单程, take相反是“带走”, get 往返“去拿来”。 take 意为“带走”， 强调说话者所在的地方将某人或某物带到别的地方去 get 意为“去拿来”， 离开说话者所在的地方去取某物后再回来， 强调动作的往返 Please bring your book here.　请把你的书带到这儿来。 The girl takes the box away.　那个女孩拿走了箱子。 There are some apples in the next room. Can you get them for me?隔壁房间里有一些苹果,你能为我去把它们取来吗? 10、Keep the rules and let’s have fun! 遵守规则，让我们玩得开心。 【用法详解】 ①let’s 意为“咱们”=let us ,后接动词原形。 【用法拓展】let sb do sth 让某人干某事 Please let him open the door .请让他去开门。 【注意】Let’s ...... 的回答：Good idea ; All right ;That sounds good -Let’s play basketball this afternoon .咱们今天下午一起打篮球。-All right .好/行。 ②have fun 玩得开心 【拓展】have fun doing sth做某事玩得开心 have fun=have a good time=enjoy oneself I had fun going shopping with my family yesterday. 11.“It is + 形容词 ( + for/ of sb. ) + to do sth. “(对某人来说)做某事是...”” 【用法详解】 当形容词为人品格的形容词时用of，其它形容词用for It’s kind of you to help me. 你帮我太善良了。 It’s important for us to learn English. 对我们来说学英语很重要。 【即学即练】 ( A )1. It’s difficult _____ me ______ this math problem. A.for; to understand B. of; to understand C. for; understand D. of; understand ( B )2. It’s honest _____ you ______ your mistake. A.for; to admit B. of; to admit C. for; admit D. of; admit 12、Keeping the rules is good for us. 遵守规则对我们有好处。 【用法详解】 keeping the rules为动名词作主语；动名词作主语时，谓语动词需用单数形式。 Running is a good sport. 【用法拓展】两个或两个以上动词-ing形式做主语时，则谓语动词用复数形式 Swimming and playing basketball are my favourite sports. 【即学即练】 ( C )1. _______ is one of the useful ways to protect our eyes. A.Do eye exercise B. To do eye exercise C. Doing eye exercise D. To doing eye exercise 13.I can’t find my pencil box. I think it’s in my locker. 我找不到我的铅笔盒了。 我觉得它在我的储物柜里。 【用法详解】 “I think it’s in my locker”为宾语从句；其中主句为”I think”，从句为“it’s my locker.” 注意：以I think/believe开头的宾语从句，变为否定句时需否定前移。 Eg: I think he is a good boy. 我觉得他是个好孩子。 -- I don't think he is a good boy. 我觉得他不是一个好孩子。 【易混辨析】find和look for 区别 Find译为“发现、找到”，强调寻找的结果； Look for译为“寻找”，强调寻找的过程。 Eg: I looked for my book everywhere, but I can’t find it. 我到处找我的书但是我没有找到。 【即学即练】 ( C )1. Mike is ______ his pen, but he can’t _____ it. A. finding; look for B. looking for; finding C. looking for; find D. find; looking for ②“I think it’s in my locker”为宾语从句；其中主句为”I think”，从句为“it’s my locker.” 14.too many 易混词组 意义及用法 例句 too many “太多”，+可数名词复数 There are too many rules here. too much “太多”，+不可数名词 或放在动词后修饰动词 I have too much homework today. I eat too much. much too “太，非常”，修饰形容词/副词 My mother is much too busy. 【即学即练】 ( D )1. Today, _____ trees are still being cut down somewhere in the world. A. much too B. too much C. many too D. too many ( A )2. Look! There’s ______ ice on the lake. A. too much B. much too C. too many D. many too ( B )3. The sweater is very beautiful, but it’s _____dear. A. too much B. much too C. too many D. many too 15、I can lend you my pen. 我可以把我的钢笔借给你。 【用法详解】 lend为动词，译为“借”，常跟介词to； lend通常表示“借出”，后面跟介词to，表示“借给某人”； borrow通常表示“借入”，后面跟介词from，表示“从某人那里借”。 常见搭配：lend sb. sth. = lend sth. to sb. 借给某人某物 【用法拓展】borrow, lend 与 keep lend “借出”，指把自己的东西借给别人， 为非延续性动词，不能和段时间连用 lend sb.  sth. ＝ lend sth.  to sb.  将某物借给某人 borrow “借；向...借”，指从别人或别处借东西，为非延续性动词，不能和段时间连用 borrow sth.  from sb. /sp. 从某人/某处借某物 keep “借，保存，保持”，指借用某物一段时间，为延续性动词。 keep sth.  for some time  借用某物一段时间 --My bike is broken. Could I borrow yours? -- Sure. You can keep it for two days. She lent me a book. = She lent a book to me. 她借给我一本书。 I borrowed a book from the library. 我从图书馆借了一本书。 【即学即练】 ( C )1. -- Could you please _____ me your notebook, Grace? -- Certainly. Here you are. A.borrow B. to borrow C. lend D. to lend 【练习题】 · —May I ________ your bike? —Certainly, but you mustn’t ________ it to others. A．lend; lend B．borrow; lend C．borrow; borrow D．lend; borrow 【答案】B · —How long may I ________ your dictionary? —For one week. But you mustn’t ________ it to others. A．keep; lend B．borrow; lend C．lend; be borrowed D．have; borrow 【答案】A 16、We have to turn them off and keep them in our lockers. 我们不得不关机然后把它们存在储物柜里。 【用法详解】 turn off关掉（水、电或煤气等）反义短语为turn on“打开（水、电或煤气等）”。 Please turn off/on the radio. 请把收音机关上/打开。 【用法拓展】常用的关于turn的短语还有： turn up调大/高 turn down 调小/低；拒绝 turn into 变成；使变成 turn around转身 【注意】turn off, turn on, turn up与 turn down 都是“动词+副词”结构，当名词作宾语时，名词置于短语后面或动词与副词之间；若人称代词作宾语，人称代词必须置于动词与副词之间。 Turn on the computer.打开电脑。 =Turn the computer on. Turn them off, please. 请把它们关上。 【即学即练】 ( D )1. The lights must be ______ before you leave the classroom. A.turned on B. turned up C. turned down D. turned off 17、-Thanks for telling me, Anne. 谢谢你告诉我，安妮。 -You’re welcome, Tom.不客气，汤姆。 【用法详解】 Thank you for...意为“为...而感谢你（们）”，相当于thanks for... ；for是介词，表示原因，后接名词、代词或动词-ing形式。 You’re welcome “别客气，不用谢”，用于礼貌地回答别人的感谢。 【用法拓展】常用的答语还有Not at all. /That’s OK. /That’s all right. / (It’s)my pleasure... 18、Don’t jump the queue. You must wait for your turn. 不要插队。你必须等着轮到你。 【用法详解】 (1) jump the queue 插队 join the queue排队　stand in a queue 站成一排 It's not polite to jump the queue.　插队是不礼貌的。 You'll have to join the queue. 你得排队。 Stand in a queue and don't push others.　站成一排，不要推别人。 (2)queue ①〔可数名词〕队，行列 This is a long queue at the ticket office.　售票处排着长队。 ②[动词〕排队（等候） People queue to buy tickets.　人们排队买票【用法详解】wait为动词，译为“等待”。 常见搭配：wait for sb./sth. 等待某人/某物 Wait to do sth. 等待做某事 Can’t wait to do sth. 迫不及待做某事 Someone is waiting for you there. 在那儿有人在等候你。 We are waiting for him to go shopping now .现在我们正在等候他一起去购物。 I can’t wait to meet my parents .我迫不及待要见我的父母。 19.rise, arise与raise区别： 【用法详解】 rise (动词)“上升”表示由低到高的变化过程，强调主语自身移向较高位置。 arise (动词)“起身”主语发出的动作，作用到其它事物。 raise (动词)“举起” 表示把具体事物举到高处。 The sun rises. 太阳升起来了。 He arises to greet her. 他起身向她问候。 He raises his hand to answer questions. 他举手回答问题 【即学即练】 用rise或raise填空 1.The sun __rises__ in the east. 2.How did the quarrel (争吵) _arise__? 3.The boss promised to __raise__ her salary. 20、I can feed my dog many kinds of food.but I mustn't/can't give him chocolate.我可以给我的狗喂多种食物，但我一定不/不能给他巧克力。 【用法详解】 feed〔及物动词〕喂养；饲养（过去式：fed)其后常接表示动物名称的词作宾语。 feed的常见用法有： ①feed sb/sth 喂某人/某物 I feed my pet cat every day.　我每天都喂我的宠物猫。 ② feed sth to sb/sth 把某物喂给某人/某物 Please feed some grass to the cow.　请给这头奶牛喂些草。 She fed milk to the baby.　她给婴儿喂了奶。 ③feed...on/with...用......喂....... He feeds the dog on meat.他用肉喂狗。 【用法拓展】feed on 以··为生；以···为食 Cows and horses feed on grass.　牛和马以草为食。 21、But you must tell your teacher about it when you have to be absent from class.但是当你不得不缺课时你必须告诉你的老师。 【用法详解】 ①tell 动词 告诉 【词组】tell sb about sth 告诉某人关于某东西 tell sb to do sth 告诉某人干某事 tell sb not to do sth 告诉某人不要干某事 Our teacher told us not to play football on the road .我们老师告诉我们不要在道路上踢足球。 ②absent为形容词，译为“缺席的”，其名词形式为absence。 【词组】be absent from... 缺席...... He is often absent from school .他经常缺课。 【即学即练】 1.Li Ming has been _absent_ (absence) from class three times this week. ( D )2. Mr. Wang is absent _____ the important meeting today. A.with B. for C. on D. from 22、We must keep quiet. We mustn’t make noise. 我们必须保持安静。我们不准制造噪音。 【用法详解】 ①quiet为形容词，译为“安静的、宁静的、文静的”，其副词形式为quietly。 常见搭配： be quiet = keep quiet 保持安静。 Be quiet ,my father is sleeping .保持安静，我爸爸正在睡觉。 ②noise为不可数名词，译为“噪音”；其形容词形式为noisy，译为“吵闹的”。 常见搭配：make noise 制造噪音 【用法拓展】sound, voice与noise区别： 【易混辨析】 sound, voice与noise区别： sound指自然界中所有的声音 voice指人说话的声音或悦耳的鸟叫 noise指让人不舒服的噪音 sound of music 音乐之声 That sounds great. 听起来不错。 The girl’s voice is sweet. 这个女孩的声音很甜美。 Don’t make noise, please. 请不要制造噪音。 【即学即练】 ( B )1. There is a lot of _____ next door. They must be having a party. A.sound B. noise C. voice D. noisy ( A )2. The girl has a sweet _____. She sings very well. A.voice B. noise C. sound D. sounds 23、Can I leave the classroom if I don't feel well?如果我感觉不舒服，我可以离开教室吗？ 【用法详解】 leave〔动词〕（过去式：left) ①离开 leave+地点 离开某地 leave for+地点 动身去某地 leave+地点+for+地点 离开某地去某地 When did you leave Shanghai?　你是什么时候离开上海的？ I'll leave for Beijing tomorrow.　明天我要动身去北京。 I'll leave Shanghai for Beijing.　我要离开上海去北京。 ②留下 leave+宾语+地点状语把···留在某地 leave sb by oneself 把某人单独留下 I will leave a message on the table.　我会在桌子上留个信息。 Don't leave young children at home.　不要把小孩子留在家里。 She is only five years old. Don't leave her by herself. 她只有五岁，不要把她单独留下。 ③听任，使处于..状态→ leave sth. +adj Please leave me alone. 请让我一个人呆着。 ④leave 的进行时表达将来时概念 I am leaving tomorrow.我明天就要走了。 【用法拓展】left ①leave 过去式 ② n.左边 ③adj.左边的；剩余的；留下的 There's nothing left in the fridge.冰箱里什么都没有了。 left-behind children 留守儿童 24、I have to finish my homework first. 我必须先完成我的作业。 【用法详解】 finish为动词，译为“完成、结束”。相当于“be over” 常见搭配：finish doing sth. 结束做某事 I finally finished doing my homework. 我最后完成了作业。 25、I can only play basketball after I practise the piano.我练习完钢琴后才能打篮球。 【用法详解】 ①play basketball 打篮球 play后接球类或棋牌类时无需加定冠词，后面接乐器时需加定冠词the。play+球/棋类 play the+乐器类 My sister likes playing the piano while I like playing basketball. ②practise v. 练习 其名词 practice 练习 【词组】practise doing sth练习做某事 I practise playing football for one hour after school .我明天放学后训练足球一个小时。 26、I know it’s hard, but rules can help to make the world better. 我知道那很难，但是规则可以帮助让世界变得更好。 【用法详解】 ①hard为形容词，译为“难的”，相当于difficult；也可译为“坚固的、结实的”； It’s hard(difficult) for me to work out the problem .对我来说，解决这个问题很难。 【用法拓展】 hard 与hardly 区别 hard也可为副词，译为“努力地、猛烈地”。 hardly 意思是“几乎不”，表“否定”含义。 It's raining hard now，I hardly go out . 现在正在下大雨,我几乎不能出去。 ②make在此处为动词，译为“使成为”，也可译为“制作” 常见搭配：make a cake 做蛋糕 make sb./sth + 形容词 使某人/某事处于某种状态 make sb. do sth. 使某人某事 The story makes me happy. 这个故事让我快乐。 The story make me cry. 这个故事使我感到流泪。 27、When I'm at school, I mustn't use my phone in class either.在学校的时候，我也不能在课堂上使用手机。 【用法详解】 【用法拓展】either,too与also 　三者均有“也”的意思，但用法不同。 either用于否定句，位于句末，前面可加逗号，也可不加。 too　用于肯定句或疑问句；位于句末，前面可加逗号，也可不加。 also 用于肯定句, 位于句中，助动词、情态动词、连系动词be之后，实义动词之前。 He doesn't want to go either.　他也不想去。 I can swim too. 我也会游泳。 He also wants to go. 他也想去。 28.Dr. Know’s advice 万事通博士的建议 【用法详解】 Advice为不可数名词，译为“建议”，可以用much, a little等词修饰。 常见搭配：a piece of advice 一条建议 Some advice 一些建议 Eg: I need some advice about how to learn English. 我需要一些关于如何学英语的建议。 advice的动词形式为advise，译为“建议”。 常见搭配：advise sb. to do sth. 建议某人做某事 Eg: She advised me to go there by bus. 她建议我坐公交车去那。 【用法拓展】suggestion为可数名词，译为“建议”，可以用many, a few等词修饰。 Suggestion的动词形式为suggest，译为“建议”。 常见搭配：suggest doing sth. 建议做某事 注意：suggest后接that从句，从句中谓语动词用原形。 Eg: I suggest that you ask for advice. 我建议你咨询建议。 【即学即练】 ( A )1. The woman asked the doctor for some ______. A. advice B. advices C. suggestion D. advise ( B )2. Can you give me _____ on how to solve the problem? A. some advice B. any advice C. some suggestion D. any suggestion ( B )3. Mr. Wu ______ David _____ a new tape recorder yesterday. A. advised; bought B. advised; to buy C. suggested; to buy D. suggested; to buying 原创精品资源学科网独家享有版权，侵权必究！学科网（北京）股份有限公司 学科网（北京）股份有限公司 $$