Unit 4 Our Memory重点知识总结与易错专项训练（90题）2026-2027学年人教版九年级英语上册

**基本信息** 聚焦人教版九年级Unit4核心语法与短语，以10大易错考点为纲，通过基础-提升-拓展三级训练（90题）系统提炼解题方法，构建“词汇-句型-语法”逻辑链条，强化语言能力与应试思维。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |wh-宾语从句（语序/引导词/时态）|27题（含旅行/学习情境）|陈述语序规则、引导词辨析、主过从过原则|从基础语序到复杂语境应用，衔接单元“记忆方法”主题| |短语辨析（run out/mix up等）|36题（含动物/日常场景）|代词位置规律、及物不及物区分、固定搭配用法|从短语结构到语境运用，结合“记忆过程”场景实现迁移| |比较级/It is+adj.+to do|27题（含健康/学习情境）|“the+比较级”结构、形式主语用法|从语法规则到评价建议功能，呼应单元“记忆提升”目标|

最新人教版九年级上册 Unit 4 Our Memory 重点知识总结与易错专项训练（90题） 一、重点单词（本单元核心词汇） 词类 核心单词 记忆·大脑 brain, memorize, recall, retell, stable, technique, short-term, long-term, boost, effective 人物·情感 grandson, grown-up, sadness, anxiety, wild 动作·过程 react, mix up, run out (of), put...to good use, go through, happen to, keep in mind, wear out, discuss, organize, divide, recognize, increase, view 事物·名词 position, chain, lecture, case, opera, ticket, wallet, pardon, airport, gunshot, grapevine, passage, image, graph, engine, fuel, address, password, account, blood, wound, mall, notebook, squirrel, nut, dolphin, outline, tick, likely, fully, one-size-fits-all 二、重点短语（按功能归类） 类别 重点短语 记忆方法 improve one’s memory, boost one’s memory, use it or lose it, put sth to good use, make use of senses, take notes, key points, group information, picture images, make up a story, divide...into, link...with 状态·经历 run out (of), go through, happen to, keep in mind, wear out one’s brain, take a break, get enough sleep, stay healthy, reduce stress 态度·交际 pay attention to, be different from, avoid mistakes, remind sb about sth, to start with, in sb’s case, instead of 三、重点句型（功能归类） 功能 例句 询问·说明（宾语从句） I don’t understand what she’s going through. / Could you tell me why it is easy to forget a word? / I can’t remember which things you asked me to buy. / She cannot remember where she put the ticket. / I wonder what happened to Mother Fox. 询问方法 How do you memorize long speeches? / What memory techniques work best for you? 评价·建议 It is easy to remember a summary. / The more you practise, the better your memory will be. / Linking new knowledge with old ones is the best way to remember things. 四、重点语法（本单元核心结构） 1. wh- 引导宾语从句 what/where/when/why/how/which/who 引导，在句中充当宾语。 2. 陈述语序 从句须用“引导词 + 主语 + 谓语”，不可用疑问语序。 3. 时态呼应 主现从任意；主过从过（主句过去时，从句用相应过去时）。 4. The + 比较级… “the + 比较级，the + 比较级”表示“越……越……”。 5. It is + adj. + to do it 作形式主语，真正主语是后面的 to do。 6. instead of doing 而不是做某事（of 为介词，后接动名词）。 7. while 引导从句 当……的时候（强调两个动作同时进行）。 8. 动名词作主语 Linking… / Using… 作主语时，谓语动词用单数。 9. keep...in mind 把……记在心中；in sb’s case 就某人的情况而言。 10. be different from 与……不同；link A with B 把 A 与 B 联系。 — 常考易错专项训练（共 10 考点 · 90 题）— 考点一：wh- 引导的宾语从句——必须用陈述语序 易错点睛：宾语从句不论主句是陈述句还是疑问句，从句都必须用“引导词 + 主语 + 谓语”的陈述语序，绝不能写成疑问语序（如 where is he）。 基础题：（选择题） ◇（ ）1. Olivia wants to know ___ the ticket. A. where she put B. where did she put C. where she puts D. where puts she ◇（ ）2. Chen Wei asked ___ yesterday. A. what did happen B. what happened C. what happen D. what he happen ◇（ ）3. Lily cannot remember ___ the wallet. A. where did she leave B. where left she C. where she left D. where she leaves 提升题：（选择题） ▶（ ）1. They wonder ___ information. A. how does the brain store B. what the brain stores C. why the brain stores D. how the brain stores ▶（ ）2. Bella didn’t understand ___ so sad. A. why he was B. why was he C. what he was D. how was he ▶（ ）3. Zhou Kai asked ___ the lecture would start. A. when would the lecture start B. when the lecture would start C. where the lecture starts D. how the lecture starts 拓展题：（选择题） ★（ ）1. Olivia is not sure ___ with her memory problems. A. what should she do B. which she should do C. what she should do D. how should she do ★（ ）2. The teacher asked the students ___ the text into parts. A. how would they divide B. what they would divide C. where they divide D. how they would divide ★（ ）3. Chen Wei wonders ___ the long-term memory. A. how we can improve B. how can we improve C. what we can improve D. why can we improve 考点二：宾语从句引导词的选择（what/which/where/how/why/who） 易错点睛：what 指事物/情况，which 指特定选择，where 指地点，how 指方式，why 指原因，who 指人；选错引导词是高频失分点。 基础题：（选择题） ◇（ ）1. Could you tell me ___ it is easy to forget a word? A. why B. what C. which D. who ◇（ ）2. I can’t remember ___ things you asked me to buy. A. what B. which C. where D. who ◇（ ）3. She cannot remember ___ she put the ticket. A. what B. which C. where D. how 提升题：（选择题） ▶（ ）1. Do you know ___ the opera ticket is? A. what B. which C. why D. where ▶（ ）2. I wonder ___ happened to Mother Fox. A. what B. which C. who D. where ▶（ ）3. Bella wants to learn ___ we can boost our memory. A. what B. how C. which D. where 拓展题：（选择题） ★（ ）1. The grandfather asked his grandson ___ he felt so happy. A. what B. which C. why D. where ★（ ）2. Olivia doesn’t understand ___ makes a good memory technique. A. which B. how C. where D. what ★（ ）3. Chen Wei is asking ___ memory method works best for you. A. which B. what C. how D. where 考点三：宾语从句时态呼应（主过从过 / 主现从任意） 易错点睛：主句为过去时，从句须用相应的过去时态（主过从过）；主句为现在时，从句按需用时态（主现从任意）。 基础题：（选择题） ◇（ ）1. He didn’t understand why she ___ worried. A. looked B. looks C. will look D. is looking ◇（ ）2. Olivia wondered where she ___ the notebook. A. puts B. put C. will put D. is putting ◇（ ）3. They asked what ___ to the dolphin. A. happens B. will happen C. happened D. is happening 提升题：（选择题） ▶（ ）1. Chen Wei told me he ___ the long-term memory was important. A. knows B. will know C. is knowing D. knew ▶（ ）2. The teacher asked how we ___ new words. A. memorized B. memorize C. will memorize D. are memorizing ▶（ ）3. Bella said she ___ a lecture on memory skills. A. attends B. attended C. will attend D. is attending 拓展题：（选择题） ★（ ）1. Zhou Kai asked Olivia what she ___ about the test. A. thinks B. will think C. thought D. is thinking ★（ ）2. They wondered why the short-term memory ___ so little. A. holds B. will hold C. is holding D. held ★（ ）3. Chen Wei said he ___ a list to avoid mistakes. A. took B. takes C. will take D. is taking 考点四：run out 与 run out of 的区别 易错点睛：run out 不及物，主语为物（Time ran out.）；run out of 及物，主语为人，后接宾语（We ran out of milk.）。 基础题：（选择题） ◇（ ）1. We have ___ milk. Let’s buy some. A. run out of B. run out C. run out from D. run off ◇（ ）2. The time ___. We must hurry. A. ran out of B. ran out C. run out of D. ran off ◇（ ）3. They ran out of all the paper during the lecture in Xiamen. A. ran out B. run out of C. ran out of D. ran off 提升题：（选择题） ▶（ ）1. Olivia ___ her notebook pages, so she bought more. A. ran out B. run out of C. run out D. ran out of ▶（ ）2. The fuel ___ before the engine stopped. A. ran out B. ran out of C. run out of D. ran off ▶（ ）3. Chen Wei said they ___ the key points in the notebook. A. ran out B. ran out of C. run out of D. run out 拓展题：（选择题） ★（ ）1. Bella noticed the wild animals’ food ___ during the long winter. A. ran out of B. run out of C. ran out D. ran off ★（ ）2. They ___ all the nuts, so the squirrel looked for more. A. ran out B. run out of C. run out D. ran out of ★（ ）3. The blood ___ from the wound before the doctor came. A. ran out B. ran out of C. run out of D. ran off 考点五：mix up 的用法（代词必须放中间） 易错点睛：mix up 是动副短语，宾语为代词时必须放在中间（mix them up），不可说 mix up them；名词可放 up 后。 基础题：（选择题） ◇（ ）1. Don’t ___ the twins; they look the same. A. mix them up B. mix up them C. mix it up D. mix up it ◇（ ）2. I always ___ A and B because they sound similar. A. mix B. mix up C. mix it up D. mix them ◇（ ）3. Please ___ the words on the list. A. mix up them B. mix up C. mix them up D. mix it 提升题：（选择题） ▶（ ）1. Chen Wei ___ the ticket and the wallet yesterday. A. mixed up them B. mixed up C. mixed it up D. mixed them up ▶（ ）2. Olivia often mixes them up when she travels in Wuhan. A. mixes them up B. mixes up them C. mixes up D. mixes it up ▶（ ）3. They ___ the passages in the notebook. A. mixed up them B. mixed them up C. mixed up D. mixed it 拓展题：（选择题） ★（ ）1. The teacher asked us not to ___ the new words and the old ones. A. mix up them B. mix up C. mix them up D. mix it up ★（ ）2. Bella ___ the address and the password this morning. A. mixed up them B. mixed up C. mixed it D. mixed them up ★（ ）3. Zhou Kai ___ the dolphin and the squirrel in the story. A. mixed them up B. mixed up them C. mixed up D. mix it up 考点六：put sth to good use / make use of / use it or lose it 易错点睛：put sth to good use（充分利用某物，use 用单数）；make use of（利用）；use it or lose it（不用就作废）。 基础题：（选择题） ◇（ ）1. We should ___ our time ___ to study. A. put; to good use B. put; to good uses C. make; to good use D. put; good use ◇（ ）2. You should ___ your senses to remember things. A. make use B. make use of C. put use of D. take use of ◇（ ）3. Use it or lose it means if you don’t use your memory, you lose it. A. Put it to good use B. Make use of it C. Use it or lose it D. Mix it up 提升题：（选择题） ▶（ ）1. Olivia ___ what she learned ___ in daily life. A. puts; to good uses B. makes; to good use C. puts; good use D. puts; to good use ▶（ ）2. Chen Wei told us to ___ the graph and the image. A. make use of B. make use C. put use of D. take use of ▶（ ）3. The saying Use it or lose it tells us to keep practising memory. A. Put it to good use B. Use it or lose it C. Make use of it D. Go through it 拓展题：（选择题） ★（ ）1. They ___ the short-term memory ___ by reviewing often. A. put; to good uses B. make; to good use C. put; to good use D. put; good use ★（ ）2. Bella said we must ___ every technique we learn. A. put to good use B. make good use C. put good use D. make use of ★（ ）3. Zhou Kai explained Use it or lose it with a story about a dolphin. A. Use it or lose it B. Put it to good use C. Make use of it D. Keep it in mind 考点七：keep (...) in mind / in sb’s case / to start with 易错点睛：keep sth in mind（记住）；in sb’s case（就某人的情况而言）；to start with（首先，句首插入语，首字母大写）。 基础题：（选择题） ◇（ ）1. Please ___ the key points in your mind. A. keep B. keep on C. keep up D. keep out ◇（ ）2. To start with, we need a plan for the school trip to Kunming. A. To start B. To start with C. Start with D. Starting with ◇（ ）3. ___, he should take a break to rest his brain. A. In case B. In the case C. In his case D. On his case 提升题：（选择题） ▶（ ）1. Olivia asked us to ___ the happy memories. A. keep mind B. keep on mind C. keep up mind D. keep in mind ▶（ ）2. ___, let’s divide the passage into small parts. A. To start with B. To start C. Start with D. Starting ▶（ ）3. ___, the grown-up should reduce stress. A. In case B. In her case C. In a case D. On her case 拓展题：（选择题） ★（ ）1. Chen Wei told Lily to ___ what the teacher said. A. keep mind B. keep on mind C. keep in mind D. keep up mind ★（ ）2. ___, pay attention to the details of the image. A. To start B. Start with C. Starting D. To start with ★（ ）3. ___, they need to get enough sleep. A. In their case B. In case C. In the case D. On their case 考点八：be different from / link...with... / pay attention to 易错点睛：be different from（与……不同）；link A with B（把 A 与 B 联系）；pay attention to（注意，to 为介词）。 基础题：（选择题） ◇（ ）1. The new method is ___ the old one. A. different from B. different with C. different to D. different of ◇（ ）2. We should ___ new knowledge ___ old ones. A. link; to B. link; with C. link; and D. link; of ◇（ ）3. Please ___ the details of the passage. A. pay attention on B. pay attention for C. pay attention to D. pay attention at 提升题：（选择题） ▶（ ）1. Olivia found the dolphin in Qingdao different from the squirrel. A. different with B. different to C. different of D. different from ▶（ ）2. Good learners ___ ideas ___ real life. A. link; with B. link; to C. link; and D. link; of ▶（ ）3. Bella told us to ___ the position of the words. A. pay attention on B. pay attention to C. pay attention for D. pay attention at 拓展题：（选择题） ★（ ）1. Chen Wei said wild plants are ___ the ones in the book. A. different with B. different to C. different from D. different of ★（ ）2. They ___ the graph ___ the image to remember better. A. link; to B. link; and C. link; of D. link; with ★（ ）3. Zhou Kai asked us to ___ the wound on the squirrel. A. pay attention to B. pay attention on C. pay attention for D. pay attention at 考点九：The + 比较级… 与 It is + adj. + to do 易错点睛：“the + 比较级，the + 比较级”表示“越……越……”；It is + adj. + to do 中 it 是形式主语，真正主语是 to do。 基础题：（选择题） ◇（ ）1. ___ you practise, ___ your memory will be. A. The more; the better B. More; better C. The most; the best D. Much; good ◇（ ）2. ___ easy to remember a summary. A. This is B. It is C. That is D. They are ◇（ ）3. ___ you review, ___ you forget. A. More; less B. The most; the least C. The more; the less D. Much; little 提升题：（选择题） ▶（ ）1. ___ we use our senses, ___ the information enters long-term memory. A. More; better B. The most; the best C. Much; good D. The more; the better ▶（ ）2. ___ necessary to take breaks so our brains won’t be worn out. A. It is B. This is C. That is D. They are ▶（ ）3. ___ you group information, ___ you can recall it. A. Better; easier B. The better; the easier C. The best; the easiest D. Well; easy 拓展题：（选择题） ★（ ）1. ___ we sleep, ___ our memory becomes. A. More; more stable B. The most; the most stable C. The more; the more stable D. Much; stable ★（ ）2. ___ helpful to make up a story to remember words. A. This is B. That is C. They are D. It is ★（ ）3. ___ you reduce stress, ___ your brain works. A. The more; the better B. More; better C. The most; the best D. Much; good 考点十：wear out / go through / happen to / instead of doing 易错点睛：wear out（使疲乏/磨损）；go through（经历/仔细检查）；sth happen to sb（某人发生某事）；instead of doing（而不是做某事）。 基础题：（选择题） ◇（ ）1. Don’t ___ your brain; take a break. A. wear out B. wear C. wear off D. wear on ◇（ ）2. She ___ a hard time when she was young. A. went on B. went through C. went out D. went by ◇（ ）3. What ___ you yesterday? You looked sad. A. happened B. happen to C. happened to D. happens to 提升题：（选择题） ▶（ ）1. Chen Wei ___ the papers carefully before the lecture. A. went on B. went out C. went by D. went through ▶（ ）2. The hard work ___ his brain last night. A. wore out B. wore C. wore off D. wore on ▶（ ）3. Bella asked what happened to the little squirrel in Jinan. A. happened B. happened to C. happen to D. happens to 拓展题：（选择题） ★（ ）1. They ___ many difficulties to boost their memory. A. went on B. went out C. went through D. went by ★（ ）2. ___ playing games, Zhou Kai reviewed the key points. A. Instead B. Instead off C. Instead in D. Instead of ★（ ）3. Olivia wondered what ___ the wild dolphin in the mall. A. happened to B. happened C. happen to D. happens to 详 细 参 考 解 析 【考点一：wh- 引导的宾语从句——必须用陈述语序】 基础题： 1. 答案：A。宾语从句须用陈述语序：引导词 where + 主语 she + 谓语 put，排除疑问语序 where did she put。 2. 答案：B。what 在从句中作主语，陈述语序为 what happened，无需倒装，故选 B。 3. 答案：C。陈述语序：where + 主语 she + 谓语 left，故选 C。 提升题： 1. 答案：D。从句用陈述语序 how + 主语 the brain + 谓语 stores；B 为疑问语序，故选 D。 2. 答案：A。陈述语序：why + 主语 he + 谓语 was；B 疑问语序错误，故选 A。 3. 答案：B。陈述语序：when + 主语 the lecture + 谓语 would start，故选 B。 拓展题： 1. 答案：C。陈述语序：what + 主语 she + 谓语 should do，故选 C。 2. 答案：D。陈述语序：how + 主语 they + 谓语 would divide，故选 D。 3. 答案：A。陈述语序：how + 主语 we + 谓语 can improve，故选 A。 【考点二：宾语从句引导词的选择（what/which/where/how/why/who）】 基础题： 1. 答案：A。询问原因用 why（为什么容易忘一个单词），故选 A。 2. 答案：B。表示“哪些”特定选择用 which，故选 B。 3. 答案：C。询问地点用 where（放在哪里），故选 C。 提升题： 1. 答案：D。询问“在哪里”用 where，故选 D。 2. 答案：A。what 在从句中作主语，意为“什么（事）发生在狐狸妈妈身上”，故选 A。 3. 答案：B。询问方式用 how（如何提升记忆力），故选 B。 拓展题： 1. 答案：C。询问原因用 why，故选 C。 2. 答案：D。what 作从句主语，意为“什么构成了好的记忆技巧”，故选 D。 3. 答案：A。在特定范围内选择用 which（哪种方法），故选 A。 【考点三：宾语从句时态呼应（主过从过 / 主现从任意）】 基础题： 1. 答案：A。主句过去时 didn’t understand，从句用相应过去时 looked，故选 A。 2. 答案：B。主句 wondered 为过去时，从句用过去时 put（put 过去式同形），故选 B。 3. 答案：C。主句 asked 过去时，从句用过去时 happened，故选 C。 提升题： 1. 答案：D。主句 told 过去时，从句用过去时 knew，故选 D。 2. 答案：A。主句 asked 过去时，从句用过去时 memorized，故选 A。 3. 答案：B。主句 said 过去时，从句用过去时 attended，故选 B。 拓展题： 1. 答案：C。主句 asked 过去时，从句用过去时 thought，故选 C。 2. 答案：D。主句 wondered 过去时，从句用过去时 held，故选 D。 3. 答案：A。主句 said 过去时，从句用过去时 took，故选 A。 【考点四：run out 与 run out of 的区别】 基础题： 1. 答案：A。主语是人且后接宾语 milk，用 run out of（用完某物），故选 A。 2. 答案：B。主语是物 time，用不及物 run out（某物用完了），故选 B。 3. 答案：C。主语是人 they，后接宾语 paper，用 run out of（过去时 ran），故选 C。 提升题： 1. 答案：D。主语人，后接宾语 notebook pages，用 run out of（过去时 ran），故选 D。 2. 答案：A。主语是物 fuel，用不及物 run out，故选 A。 3. 答案：B。主语人 they，后接宾语 key points，用 run out of（过去时 ran），故选 B。 拓展题： 1. 答案：C。主语是物 food，用不及物 run out，故选 C。 2. 答案：D。主语人 they，后接宾语 nuts，用 run out of（过去时 ran），故选 D。 3. 答案：A。主语是物 blood，用不及物 run out，故选 A。 【考点五：mix up 的用法（代词必须放中间）】 基础题： 1. 答案：A。mix up 的宾语是代词时必须放中间：mix them up，故选 A。 2. 答案：B。mix up A and B 意为“把 A 和 B 弄混”，名词放 up 后，故选 B。 3. 答案：C。代词 them 作宾语必须放 mix 与 up 中间，故选 C。 提升题： 1. 答案：D。代词 them 放中间：mixed them up，故选 D。 2. 答案：A。主语 Olivia 三单，代词 them 放中间：mixes them up，故选 A。 3. 答案：B。代词 them 放中间：mixed them up，故选 B。 拓展题： 1. 答案：C。代词 them 放中间：mix them up，故选 C。 2. 答案：D。代词 them 放中间：mixed them up，故选 D。 3. 答案：A。代词 them 放中间：mixed them up，故选 A。 【考点六：put sth to good use / make use of / use it or lose it】 基础题： 1. 答案：A。put sth to good use 为固定搭配，use 用单数，故选 A。 2. 答案：B。make use of 意为“利用”，为固定短语，故选 B。 3. 答案：C。Use it or lose it 意为“不用就作废”，故选 C。 提升题： 1. 答案：D。put sth to good use，主语 Olivia 三单用 puts，use 单数，故选 D。 2. 答案：A。make use of 意为“利用（图表与图像）”，故选 A。 3. 答案：B。Use it or lose it 强调“坚持练习，否则遗忘”，故选 B。 拓展题： 1. 答案：C。put sth to good use，use 用单数，故选 C。 2. 答案：D。make use of 后接宾语 every technique，用法正确，故选 D。 3. 答案：A。Use it or lose it 用海豚故事说明“不用就忘”，故选 A。 【考点七：keep (...) in mind / in sb’s case / to start with】 基础题： 1. 答案：A。keep...in mind 意为“记住……”，keep 后接 in mind，故选 A。 2. 答案：B。to start with 是固定插入语，意为“首先”，首字母大写，故选 B。 3. 答案：C。in sb’s case 意为“就某人的情况而言”，故选 C。 提升题： 1. 答案：D。keep sth in mind 固定搭配，意为“记住”，故选 D。 2. 答案：A。to start with 作插入语“首先”，故选 A。 3. 答案：B。in her case 意为“就她的情况而言”，故选 B。 拓展题： 1. 答案：C。keep sth in mind 固定搭配，故选 C。 2. 答案：D。to start with 意为“首先”，故选 D。 3. 答案：A。in their case 意为“就他们的情况而言”，故选 A。 【考点八：be different from / link...with... / pay attention to】 基础题： 1. 答案：A。be different from 意为“与……不同”，为固定搭配，故选 A。 2. 答案：B。link A with B 意为“把 A 与 B 联系起来”，故选 B。 3. 答案：C。pay attention to 意为“注意”，to 为介词，故选 C。 提升题： 1. 答案：D。be different from 固定搭配“与……不同”，故选 D。 2. 答案：A。link A with B 意为“把想法与现实联系起来”，故选 A。 3. 答案：B。pay attention to 意为“注意单词的位置”，故选 B。 拓展题： 1. 答案：C。be different from 固定搭配，故选 C。 2. 答案：D。link A with B 意为“把图表与图像联系起来”，故选 D。 3. 答案：A。pay attention to 意为“注意松鼠的伤口”，故选 A。 【考点九：The + 比较级… 与 It is + adj. + to do】 基础题： 1. 答案：A。“the + 比较级，the + 比较级”表示“越……越……”，故选 A。 2. 答案：B。It is + adj. + to do 句型，it 作形式主语，故选 B。 3. 答案：C。“the + 比较级，the + 比较级”结构，故选 C。 提升题： 1. 答案：D。“the + 比较级，the + 比较级”表示越……越……，故选 D。 2. 答案：A。It is + adj. + to do 句型，it 为形式主语，故选 A。 3. 答案：B。“the + 比较级，the + 比较级”结构，故选 B。 拓展题： 1. 答案：C。“the + 比较级，the + 比较级”结构，故选 C。 2. 答案：D。It is + adj. + to do 句型，故选 D。 3. 答案：A。“the + 比较级，the + 比较级”结构，故选 A。 【考点十：wear out / go through / happen to / instead of doing】 基础题： 1. 答案：A。wear out 意为“使疲乏/过度疲劳”，wear out one’s brain 过度用脑，故选 A。 2. 答案：B。go through 意为“经历”，go through a hard time 经历艰难时光，故选 B。 3. 答案：C。sth happen to sb 意为“某人发生某事”，过去时用 happened to，故选 C。 提升题： 1. 答案：D。go through 此处意为“仔细检查（试卷）”，故选 D。 2. 答案：A。wear out 过去式 wore out，意为“使（大脑）疲乏”，故选 A。 3. 答案：B。sth happen to sb，过去时用 happened to，故选 B。 拓展题： 1. 答案：C。go through 意为“经历（许多困难）”，故选 C。 2. 答案：D。instead of doing sth 意为“而不是做某事”，故选 D。 3. 答案：A。sth happen to sb，过去时用 happened to，故选 A。 学科网（北京）股份有限公司 $