Units 1-2单元核心语法专项强化训练90 题 2026-2027学年人教版英语九年级上册

答案解析 Unit1 The Changing World 语法：一般过去时和现在完成时 一、单项选择（40小题） 1.答案：B。解析：In 1992是过去时间，谓语动词用过去式became；one of+可数名词复数，表示“……之一”，wetland复数wetlands。 2.答案：B。解析：In 1998为过去时间，谓语用一般过去时attracted。 3.答案：B。解析：last week上周，一般过去时，teach过去式taught。 4.答案：B。解析：and并列两个谓语，found是find过去式，前面也要一般过去时，take过去式took。take one’s temperature量体温。 5.答案：B。解析：Last weekend上周末，一般过去时；pay的过去式paid；pay a visit to拜访。 6.答案：D。解析：when he was born他出生的时候，过去时间；weigh动词“重量为”，过去式weighed；weight是名词“重量”。 7.答案：A。解析：last May去年五月，一般过去时，ask过去式asked。 8.答案：C。解析：问句yesterday昨天，答句用一般过去时，play过去式played。play chess下棋。 9.答案：B。解析：前句looked是look过去式，说明是过去发生；what happened to sb某人发生了什么事，happen过去式happened。 10.答案：C。解析：just now刚才，一般过去时，see过去式saw。 11.答案：A。解析：问句助动词did后接动词原形buy；答句last week上周，用buy过去式bought。 12.答案：D。解析：yesterday昨天，一般过去时，break过去式broke；break one’s leg摔断腿。 13.答案：B。解析：last year去年，描述过去的旅行，主语it，be动词过去式was。 14.答案：C。解析：yesterday afternoon昨天下午，一般过去时；call过去式called；主语you，be动词过去否定weren’t。 15.答案：C。解析：last night昨晚，固定句型It takes sb.+时间+to do sth. 做某事花费某人多久；一般过去时take变took。 16.答案：D。解析：反义疑问句回答根据事实；后文“我在想数学题，没听见”，事实是没听见，用No, I didn’t，翻译为“是的，我没有（听见）”。 17.答案：B。解析：already已经，现在完成时标志词；have seen表示已经看过，强调对现在的影响（不去再看）。 18.答案：C。解析：since引导时间状语，现在完成时have/has+过去分词；主语we，have made。 19.答案：A。解析：for+时间段a few months；since后接时间点；for a few months长达几个月。 20.答案：D。解析：yet是现在完成时疑问/否定标志词；现在完成时一般疑问句Have+主语+过去分词。 21.答案：B。解析：So far到目前为止，现在完成时标志；have learned已经学完。 22.答案：D。解析：even once甚至一次都没有；have never been away从未离开过；have been away离开（延续）。 23.答案：B。解析：ever曾经，现在完成时标志；Have you ever done…你曾经做过……吗；have的过去分词had。 24.答案：A。解析：in the past ten years在过去十年里，现在完成时标志；have taken photos拍照。 25.答案：A。解析：already已经，have been to去过某地（已经返回）；last month上个月一般过去时，go过去式went。have gone to表示去了还没回来。 26.答案：B。解析：since last year自从去年，现在完成时；the number of ……的数量作主语谓语单数，has increased。 27.答案：D。解析：twice两次，去过已经回来；have been to去过某地；have gone to去了（未回）；have been in待在某地。 28.答案：D。解析：two years ago两年前，一般过去时leave过去式left；for two years时间段，短暂动词leave要换成延续be away from。 29.答案：A。解析：答句For over 15 years是时间段；How long多久，对时间段提问；how often多久一次；how soon多久以后；how far多远。 30.答案：C。解析：答句Since last summer holiday现在完成时；buy是短暂动词不能和how long连用，换成延续have；have had。 31.答案：C。解析：语境“为什么开心？因为已经完成项目”，过去动作对现在造成影响，现在完成时have completed。 32.答案：C。解析：for a week时间段；borrow短暂动词，延续形式keep；现在完成时have kept。 33.答案：D。解析：since last week时间段；leave短暂动词，延续be away；现在完成时has been away。 34.答案：A。解析：married及物动词，marry sb娶/嫁给某人；for ten years时间段，get married短暂，延续be married。 35.答案：C。解析：for 10 minutes时间段；begin/start短暂，延续be on（电影上映播放）。 36.答案：B。解析：for over ten years时间段；join短暂动词，延续be in；has been in加入（待在队伍）。 37.答案：D。解析：die短暂动词，延续be dead；how long提问状态；two years ago时间点，搭配since；Since two years ago自从两年前。for后面只能接时间段，排除B。 38.答案：B。解析：Have you ever…你曾经……吗；否定回答No, never.不，从来没有。ever曾经；never从不。 39.答案：C。解析：decided过去分词，现在完成时；Have you done…?否定回答I haven’t。 40.答案：D。解析：Where’s Li Hua？人不在此处；has gone to去了某地还未回来；for more than a week时间段；arrive短暂动词，不能和时间段连用；stay延续，has stayed。 二、用所给单词的适当形式填空（20小题） 1.答案：visited。解析：yesterday昨天，一般过去时，visit过去式visited。 2.答案：has completed。解析：already已经，现在完成时；主语he，has+过去分词completed。 3.答案：moved。解析：ten years ago十年前，一般过去时，move过去式moved。 4.答案：Have；travelled/traveled。解析：ever曾经，现在完成时一般疑问句；Have+主语+过去分词。 5.答案：hasn’t heard。解析：since last month自从上个月，现在完成时否定；hear from收到来信；主语she，hasn’t heard。 6.答案：worked。解析：in 2010过去年份，一般过去时，work过去式worked。 7.答案：have learned/learnt。解析：So far到目前为止，现在完成时；主语we，have+过去分词。 8.答案：got。解析：two weeks ago两周前，一般过去时，get过去式got。 9.答案：borrowed；have kept。解析：three days ago三天前一般过去时borrowed；for three days时间段，borrow短暂换延续keep，现在完成时have kept。 10.答案：have built。解析：In the past five years在过去五年，现在完成时；build过去分词built。 11.答案：Has；returned。解析：yet现在完成时疑问标志；主语she，Has+过去分词returned。 12.答案：planted。解析：last spring去年春天，一般过去时plant过去式planted。 13.答案：entered；has been in。解析：in 2018过去时间一般过去时enter过去式entered；for eight years时间段，enter短暂，延续be in，现在完成时has been in。 14.答案：haven’t received。解析：yet现在完成时否定；主语I，haven’t+过去分词received。 15.答案：called。解析：Just now刚才，一般过去时call过去式called。 16.答案：started；has been。解析：20 minutes ago过去时间一般过去时start过去式started；for 20 minutes时间段，start短暂换延续be on，现在完成时has been。 17.答案：did；take；took。解析：when询问过去动作，助动词did后动词原形take；last summer去年夏天，一般过去时took。 18.答案：died；has been dead。解析：many years ago很多年前一般过去时die过去式died；for over ten years时间段，die短暂换延续be dead，现在完成时has been dead。 19.答案：have；discovered。解析：never…before以前从未，现在完成时；主语I，have+过去分词discovered。 20.答案：came；has studied。解析：in 2019过去年份一般过去时come过去式came；since then自从那时起，现在完成时has studied。 Unit2 Inspiring People 语法：It is/was adj. of/for sb. to do sth 句型 + It is/was + 形容词 +that 从句 一、单项选择（22小题） 1.答案：B。解析：it作形式主语，真正主语是后面不定式to take care of…；this/that/one不能充当形式主语。 2.答案：C。解析：固定句型It’s +adj.+for sb. to do sth.，it形式主语，真正主语不定式to understand。 3.答案：D。解析：It’s +adj.+for sb./sth. to do；it形式主语；safe描述事情，用for；to live作真正主语。 4.答案：B。解析：It’s necessary for sb. to do sth.对某人来说做某事是必要的；it形式主语，不定式to learn真正主语。 5.答案：B。解析：It is +adj.+for sb. to do sth.；to play computer games是真正主语。 6.答案：B。解析：It’s dangerous for sb. to do sth.对某人来说做某事危险；不定式to climb作真正主语。 7.答案：C。解析：It is easy for sb. to do sth.；it形式主语，to search不定式作真正主语。 8.答案：C。解析：take exercise锻炼身体这件事有益，形容词good描述事情，用for；it作形式主语。 9.答案：B。解析：do morning exercises是事情；important描述事情性质，用for；it形式主语。 10.答案：B。解析：在`It is important for the students to work hard.`中it是形式主语，to work hard才是真正主语。 11.答案：A。解析：`It’s good for us to take exercise every day.`，it为形式主语；to take exercise是真正主语。 12.答案：D。解析：固定句型It is said that…据说……；it形式主语，that从句真正主语。 13.答案：B。解析：It is said that…据说……；news不可数名词，what引导感叹句What +adj.+不可数名词！ 14.答案：A。解析：It is believed that…人们相信……；it作形式主语。 15.答案：C。解析：important描述事情，用for；句型it is +adj.+for sb. to do sth；to have a healthy diet真正主语。 16.答案：C。解析：宾语从句内部it作形式主语，真正主语to take the medicine on time。 17.答案：D。解析：主句thought是think过去式；think it +adj.+for sb. to do；spend time (in) doing sth花时间做某事；spend … improving。 18.答案：A。解析：clever是描述人的品质形容词，用of；It is clever of sb to do sth某人做某事很聪明。 19.答案：B。解析：rude粗鲁，描述人的品格，of you；important描述事情，for us。 20.答案：C。解析：be kind to sb对某人友好；It’s kind of sb to do sth某人做某事很善良，kind描述人的品质，用of。 21.答案：A。解析：inconsiderate不体谅人的，修饰人的品质，用of；such a cold day具体某一天介词on。 22.答案：D。解析：necessary描述这件事的性质，用for；It is necessary for sb. to do sth.对某人来说做某事有必要。 二、句型转换（8小题，每空一词） 1.答案：It's very easy。解析：考查 it 作形式主语句型，动名词作主语可转换为 It’s +adj.+to do sth 真正主语为后面不定式 to work out the math problem。 2.答案：It's necessary。解析：考查 it 作形式主语，不定式作主语改写为 It’s +adj.+for sb. to do sth句型。 3.答案：It's；to。解析：考查 it 作形式主语，It is +adj.+to do sth，it为形式主语，to walk是句子真正的主语。 4.答案：It's impossible。解析：考查 it 作形式主语；原句“没有合适的训练我们无法到达山顶”，改写为It’s impossible for sb. to do sth句型。 5.答案：It was brave of；to take。解析：考查It is/was +adj.+of sb. to do sth，brave是描述人品质的形容词；原句动词took为过去式，be动词使用was。 6.答案：It；of。解析：考查It was +adj.+of sb. to do sth；patient描述人物性格品质，介词用of，it作形式主语。 7.答案：interesting；learn。解析：考查it作形式主语句型It is +adj.+for sb. to do sth；原句表达“我对学英语感兴趣”，选用interesting作形容词，to后接动词原形learn；本题无提示词，为合理最优答案。 8.答案：impossible for me to；with the light on。解析：考查句型It's + adj. + for sb. + to do sth.（做某事对某人来说是……的）和with复合结构；原句unable表示“不能”，对应形容词impossible，I在for后用宾格me，后接不定式to；将条件状语从句if the light is on替换为表伴随状态的with复合结构with the light on。 学科网（北京）股份有限公司 $人教版(新教材)九年级上册月考复习(Units 1-2) 语法专项强化训练90题 学校: 班级: 姓名: (考试时间:45分钟 满分:90分) Unit1 The Changing World 语法:一般过去时和现在完成时 语法点 1:一般过去时 考点:① 构成:主语 + 动词过去式;否定:did not + 动词原形;疑问:Did + 主语 + 动词原形 ② 标志词:yesterday, last…, …ago, in + 过去年份,just now ③ 含义:过去某个时间发生并结束的动作,和现在无联系 语法点 2:现在完成时 考点:① 构成:主语 + have/has + 动词过去分词 ② 标志词:already, yet, ever, never, since + 时间点,for + 时间段,so far, in the past few years③ 含义:过去动作对现在造成影响;动作从过去持续到现在 ④ 高频考点:短暂性动词 延续性动词转换 一、单项选择(共40小题;每小题1分,满分40分) 从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。 ( )1. In 1992, Zhalong Nature Reserve one of the world’s most important . A.become; wetland B.became; wetlands C.became; wetland D.become; wetlands ( )2. In 1998, the tale of Mulan a large audience thanks to a Disney animated film. A.attracts B.attracted C.has attracted D.will attract ( )3. Miss Lin us an English song called You Are My Sunshine last week. A.teaches B.taught C.will teach D.is teaching ( )4. He his temperature and found he had a fever. A.takes B.took C.taking D.take ( )5. Last weekend, David a visit to his grandparents in the countryside. A.pays B.paid C.will pay D.has paid ( )6. The baby 3.5 kilograms when he was born. A.weigh B.weight C.weighs D.weighed ( )7. A regulation (法规) came out last May in Jiangsu. It students not to bring mobile phones to class. A.asked B.to ask C.asking D.asks ( )8. —Hi, Kate! What did you do yesterday? —I chess with my grandpa. A.play B.playing C.played D.plays ( )9. He looked so sad. What to him? A.happen B.happened C.happens D.will happen ( )10. My dad and I two women tourists hurry aboard just now. A.see B.have seen C.saw D.are seeing ( )11. —When did you the book? —I it last week. A.buy; bought B.bought; buy C.buy; buy D.bought; bought ( )12. —Is everyone here today? —No. Mark his leg in the basketball game yesterday. A.break B.breaks C.to break D.broke ( )13. —My mother said you went on a Silk Road trip last year. —Yes, it a wonderful trip. A.is B.was C.will be D.were ( )14. I you yesterday afternoon, but you at home. A.call; aren’t B.am calling; aren’t C.called; weren’t D.calls; weren’t ( )15. It my daughter half an hour her homework last night. A.takes, to finish B.took, finish C.took, to finish D.took, finished ( )16. —Didn't you hear me just now? —. I'm sorry I was thinking about a math problem. A.Yes, I do B.No, I don't C.Yes, I did D.No, I didn't ( )17. —Will you go and see the movie Net Mother with me? —Thank you. But I it already. A.saw B.have seen C.see D.will see ( )18. We five model planes since we joined the Science Club. A.make B.made C.have made D.will make ( )19. Lisa has been a volunteer at the nursing home a few months. A.for B.in C.on D.since ( )20. — you your homework yet? —Yes, I’ve just finished it. A.Did; finish B.Do; finish C.Will; finish D.Have; finished ( )21. —Alice, have you finished learning the whole book? —Not yet. So far, we two units. A.learned B.have learned C.learn D.to learn ( )22. —Have you ever been anywhere for a trip? —A trip? I away from my hometown even once. A.went B.have gone C.have been D.have never been ( )23. — you ever any problems with your friends? —Yes, but we made it up. A.Did; have B.Have; had C.Will; have D.Do; have ( )24. —My father and I a lot of photos at the same place in the past ten years. —Those photos must be your valuable memories. A.have taken B.will take C.take D.were taking ( )25. I to London already. I there last month. A.have been; went B.have gone; have gone C.will go; have gone D.was going; have been ( )26. Qingdao is a beautiful seaside city and the number of visitors since last year. A.increased B.has increased C.will increase D.was increasing ( )27. My parents Beijing twice, and they like the city very much. A.went to B.have gone to C.have been in D.have been to ( )28. —He his hometown two years ago. —You mean he his hometown for two years. A.leaves; has left B.left; has come to C.left; has left D.left; has been away from ( )29. — has your grandpa lived here? —For over 15 years. A.How long B.How often C.How soon D.How far ( )30. —How long you this lovely bike? —Since last summer holiday. A.have; bought B.did; buy C.have; had D.do; have ( )31. —Why are you so happy? —I the science project, and I think I did a really good job. A.am completing B.will complete C.have completed D.was completing ( )32. —When did you borrow the new book? —Well, I it for a week. A.have borrowed B.kept C.have kept D.have had ( )33. —May I speak to Kitty? —Sorry, she’s not at home. She since last week. A.left B.has left C.went away D.has been away ( )34. After graduating from college, he a beautiful lady from South Carolina. Till now they have for ten years. A.married; been married B.married to; got married C.married; got married D.married to; been married ( )35. When we reach the cinema, the film for 10 minutes. A.has begun B.has started C.has been on D.has been in ( )36. The World No.1 player the national table tennis team for over ten years. A.has joined B.has been in C.joined D.was in ( )37. —How long his grandpa ? — two years ago. A.has; died; Since B.has; been dead; For C.did; die; For D.has; been dead; Since ( )38. —Have you visited the Great Wall? —No, . A.already; ever B.ever; never C.never; ever D.ever; yet ( )39. — you decided which story to read? —No, I . A.Did; didn’t B.Have; didn’t C.Have; haven’t D.Did; haven’t ( )40. —Where’s Li Hua? I haven’t seen him for several days. —He a mountain area to work as a volunteer. He there for more than a week. A.has been to; has arrived B.has gone to; has arrived C.has been to; has been in D.has gone to; has stayed 二、用所给单词的适当形式填空(共20小题;每小题1分,满分20分) 用括号中所给单词的适当形式填空,使句意完整。 1. I (visit) the science museum yesterday. 2. He (complete) his project already. 3. They (move) to this town ten years ago. 4. — you ever (travel) to the south? —Yes, I have. 5. She (not hear) from her pen pal since last month. 6. My uncle (work) on the farm in 2010. 7. So far, we (learn) about 30 English poems. 8. Jack (get) this new watch two weeks ago. 9. I (borrow) this magazine three days ago. I (keep) it for three days. 10. In the past five years, people (build) many new roads here. 11. — she (return) the library book yet? —No, she hasn’t. 12. They (plant) trees on the hill last spring. 13. He (enter) the club in 2018. He (be in) the club for eight years. 14. I (not receive) his message yet. 15. Just now, Amy (call) me about the plan. 16. The show (start) 20 minutes ago. It (be) on for 20 minutes. 17. —When you (take) that photo of the old street? —I (take) it last summer. 18. His grandpa (die) many years ago. He (be dead) for over ten years. 19. I never (discover) such a quiet place before. 20. She (come) to this village in 2019. She (study) here since then. Unit2 Inspiring People 语法:It is/was adj. of/for sb. to do sth 句型 + It is/was + 形容词 +that 从句 语法点 1:It is/was + 形容词 +for sb. to do sth. 考点:① it 是形式主语,真正主语是后面 to do 不定式 ② for sb:形容词描述事情、行为的性质(difficult/easy/important/necessary) 语法点 2:It is/was + 形容词 +of sb. to do sth. 考点:① it 是形式主语,真正主语是后面 to do 不定式 ② of sb:形容词描述人的品质(kind/nice/careless/foolish/brave) ③ 可转换成 Sb. is +adj. to do sth. 语法点 3:It is/was + 形容词 +that 从句 考点:① it 是形式主语,that 引导主语从句作真正主语,that 不可省略 ② It is +adj. +that 从句:描述现在的事情;It was +adj. +that 从句:描述过去的事情 ③ 含义:…… 这件事是…… 的;常搭配形容词:true, clear, certain, surprising, amazing, strange, important 一、单项选择(共22小题;每小题1分,满分22分) 从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。 ( )1.In China, is a traditional virtue (美德) for people to take care of their old parents. A.this B.it C.that D.one ( )2.It’s difficult for Betty the words of the Beijing Opera. A.understand B.understands C.to understand D.understanding ( )3. isn’t safe pandas in the wild. We should protect their homes. A.That; of; to live B.It; of; living C.This; for; living D.It; for; to live ( )4. necessary for us English well. A.This is; to learn B.It’s; to learn C.It’s; learn D.That’s; learn ( )5.It is bad for your eyes computer games too much. A.plays B.to play C.play D.to playing ( )6.It’s dangerous for you that tall tree. A.climb B.to climb C.climbing D.climbed ( )7. is easy and convenient for us some information online. A.It; to searching B.That; to search C.It; to search D.That; to searching ( )8. is good you to take exercise every day. A.It; with B.This; to C.It; for D.That; of ( )9. is important us to do morning exercises every day. A.That; for B.It; for C.This; for D.It; of ( )10.It is important for the students to work hard. A.宾语 B.形式主语 C.宾语补足语 D.真正主语 ( )11.It’s good for us to take exercise every day. A.真正主语 B.形式主语 C.宾语补足语 D.间接宾语 ( )12. said that some foreigners will come to our school. A.They are B.That’s C.There is D.It is ( )13.— that the 31st Olympic Games will be held in New York. — exciting news! A.It said; What B.It is said; What C.It said; How D.It is said; How ( )14. is believed that Edison invented the light bulb. A.It B.That C.This D.He ( )15.The doctors tell us that it is important a healthy diet. A.of us to have B.of us having C.for us to have D.for us having ( )16.The doctor told him that was necessary to take the medicine on time. A.that B.this C.it D.he ( )17.We all thought necessary for you to spend as much time as you could English. A.that; improving B.it is; to improve C.it; improve D.it was; improving ( )18.— Did you watch the TV show Super Brain(最强大脑)on Jiangsu TV yesterday? — Yes. was really clever a student to remember so many faces. A.It; of B.That; of C.It; for D.That; for ( )19.It is rude you to speak to the old man in this way, so it is important us to master social skills. A.to; for B.of; for C.for; for D.of; of ( )20.Our teacher is kind us and it’s very kind her to help us with our English. A.to; to B.of; of C.to; of D.of; to ( )21.It was very inconsiderate him to keep you waiting outside such a cold day. A.of; on B.for; on C.for; in D.of; in ( )22.—Was it necessary John some photos before helping the old man? —I think so. In this way, he could protect himself later. A.of; taking B.for; taking C.of; to take D.for; to take 二、句型转换(共8小题;每小题1分,满分8分) 按要求改写下列句子,每空一词。 1.Working out the math problem is very easy.(保持句意不变) to work out the math problem. 2.To plant trees every year is necessary for us. (改写句子,句意不变) for us to plant trees every year. 3.To walk in wet and dirty streets is awful. (保持句意不变) awful walk in wet and dirty streets. 4.We can’t reach the top without proper training. (改为同义句) for us to reach the top without proper training. 5.The boy is brave. He took part in the singing competition.(改为同义句) the boy part in the singing competition. 6.The boy was patient enough to play the piano for long hours. (同义句转换) was patient the boy to play the piano for long hours. 7.I am interested in learning English. (改为同义句) It is for me to English. 8.I am unable to fall asleep if the light is on.(改为同义句) It’s fall asleep the . 学科网(北京)股份有限公司 $