第3讲 Unit 3重点语法：带有特殊疑问词的不定式精讲精练（暑假预习讲义）（知识全梳理&考点精准练）新九年级英语新教材沪教版五四制

专题05 U3语法：带有特殊疑问词的不定式精讲精练 +U3主题阅读训练 内容导航 01 预习航标→ 析目标·明方向：预习导航精准定向 02 教材全解 → 析教材·学新知：情境概念深度构 考点精讲：聚焦常考要点，讲清逻辑 例题精析：典型题目带路，学会解题思路 即练固基：趁热打铁练一练，巩固刚学内容 03过关检测 → 练考点·强落实：过关检测分层提 关键词 学习目标导航 学习目标 1. 熟记疑问词+to do不定式结构，明确可搭配与不可搭配该结构的疑问词，掌握该结构在句中作宾语、主语、表语、同位语的用法，了解其用作标题的简洁表达形式。 2. 牢记常后接 “疑问词+to do” 作宾语的动词清单，熟练区分do with与deal with的固定搭配及对应疑问词用法。 3. 能够结合语境辨析句式，正确运用 “疑问词+to do” 结构完成单项选择、语法选择、短文填空等各类题型。 4. 规避不定式漏写to、疑问词误用、句式结构混乱等常见错误，提升语法运用与语篇理解能力。 学习重点 1. 掌握疑问词+to do核心结构，牢记why和if不能接不定式to do这一硬性规则。 2. 熟记tell、know、advise、decide、discuss、wonder等高频动词，熟练使用该结构作宾语。 3. 分清该结构充当主语、表语、同位语的句式特征，掌握have no idea+疑问词+to do固定搭配。 4. 掌握该结构用于文章标题的用法，同时吃透what to do with和how to deal with的固定搭配。 学习难点 1. 在复杂语境中精准判断何时使用 “疑问词+to do”，区分该结构作不同句子成分时的句式差异。 2. 辨析易混句式，区分 “疑问词+to do” 结构与宾语从句，避免语序、成分混淆的错误。 3. 灵活运用do with和deal with两大高频搭配，结合句意选择正确的疑问词。 4. 在短文填空、语法选择等综合题型中，综合运用知识点，规避不定式缺失to、疑问词错用、宾语重复等典型错误。 考｜点｜精｜讲 考点一：结构基础与可用 / 不可用疑问词 核心知识点 1.结构公式：特殊疑问词+to do（不定式），整体相当于一个名词性从句，在句中可作宾语。 2.能搭配该结构的疑问词：what, when, where, which, who, whom, how, whether 3.不能搭配该结构的词：if、why（后不接 to do） 【典例破题】 We haven’t decided we will go or not. A. if B. why C. whether D. what 【答案】C 【解析】句尾有 or not，且空格后接 to do 变形从句结构；if 不能用于 to do 结构、不能搭配 or not；why 后不接不定式；what 语义不符，只有 whether 符合规则。 【巩固提升1】 Could you tell me choose for my mum’s birthday gift? A. why B. which C. if D. when to 【答案】D 【解析】why、if 后不能直接接动词原形 choose；which 缺少 to，正确结构为 wh - 词+to do，when to choose 符合语法规则。 【巩固提升2】 I don’t know ask for help after school. A. who to B. who C. why to D. if to 【答案】A 【解析】缺少 to 则结构不完整；why、if 不可搭配 to do 结构；who to ask 意为 “该找谁求助”，语法正确。 【巩固提升3】 —Should I buy this coat or that one? —I haven’t thought about to take. A. if B. why C. which D. what 【答案】C 【解析】if、why 不能搭配 to do；what 语义不匹配二选一的语境，which to take 表示 “选哪一件”，符合句意。 考点二：常接 “wh - 词+to do” 作宾语的动词 核心知识点 下列动词后常接「wh - 词+to do」作宾语： tell, know, advise, ask, choose, consider, decide, discover, discuss, explain, forget, guess, hear, imagine, learn, remember, show, teach, think, wonder 【典例破题】 The teacher advised me improve my spoken English quickly. A. how to B. how C. why to D. if to 【答案】A 【解析】advise 是规定可接该结构的动词；缺少 to 结构不成立；why、if 不能搭配不定式，how to improve 意为 “如何提升”，语义语法均通顺。 【巩固提升1】 I wonder book to borrow from the library. A. if B. which to C. which D. why to 【答案】B 【解析】wonder 可接 wh - 词+to do；if、why 禁用；缺少 to 结构错误，which to book 意为 “该借哪本书”。 【巩固提升2】 Please show me operate this new camera. A. why to B. if to C. how to D. how 【答案】C 【解析】show 属于指定动词，必须用 wh - 词+to do 完整结构；why、if 不能搭配不定式；缺 to 语法错误，how to operate 表示 “如何操作”。 【巩固提升3】 We need to discuss leave for the trip tomorrow morning. A. when to B. when C. if to D. why to 【答案】A 【解析】discuss 后可接该结构；if、why 不可搭配 to do；缺少 to 句子结构残缺，when to leave 意为 “何时出发”。 考点三：wh - 词+to do 充当主语、表语、同位语 核心知识点 1.作主语：How to finish the work is a big problem. 2.作表语（主语补足语）：My question is where to meet. 3.作同位语（固定搭配 have no idea）：I have no idea what to do next. 【典例破题】 save enough money takes me a whole year. A. How B. How to C. Why to D. If to 【答案】B 【解析】此处短语在句首作主语，必须用完整 wh - 词+to do；缺少 to 结构不成立；why、if 不能搭配不定式，How to save 意为 “如何存钱”。 【巩固提升1】 My biggest question is ask my strict teacher for advice. A. who to B. who C. why to D. if to 【答案】A 【解析】本结构作 is 后的表语，需要 to 构成完整结构；why、if 禁用；缺 to 语法错误，who to ask 表示 “该找谁请教”。 【巩固提升2】 I have no idea put these heavy boxes. A. where B. why to C. where to D. if to 【答案】C 【解析】have no idea 后接 wh - 词+to do 作同位语；why、if 不可搭配不定式；缺少 to 结构残缺，where to put 意为 “该放在哪里”。 【巩固提升3】 prepare for the exam worries every student. A. When B. If to C. Why to D. When to 【答案】D 【解析】短语置于句首充当主语，必须带 to；if、why 不能搭配不定式；缺 to 句子缺少非谓语结构，When to prepare 意为 “何时备考”。 考点四：wh - 词+to do 用于文章 / 书籍标题（简洁用法） 核心知识点 wh - 词+to do 结构简洁精炼，常单独用作文章、教程标题，不需要完整主句。 例：How to get everything done in a single day（如何在一天内完成所有事） 【典例破题】 Which sentence can be used as a proper article title? A. How learn English well B. How to learn English well C. Why to learn English well D. If to learn English well 【答案】B 【解析】标题需使用完整 wh - 词+to do；A 缺少 to；C、D 中 why、if 不能搭配不定式结构，无法用于该标题格式。 【巩固提升1】 1.Which one is a correct book title? A. Where travel on holiday B. If to travel on holiday C. Where to travel on holiday D. Why to travel on holiday 【答案】C 【解析】标题规范为 wh - 词+to do；A 缺少 to；if、why 不能用于该不定式标题结构，只有 C 格式合规。 【巩固提升2】 Choose the suitable title for a cooking passage. A. What cook for dinner B. What to cook for dinner C. If to cook for dinner D. Why to cook for dinner 【答案】B 【解析】标题必须带 to 构成不定式；A 缺 to；if、why 不允许搭配 to do 作标题，B 结构简洁符合要求。 【巩固提升3】 Which phrase can be the headline of a study skill article? A. When to review lessons daily B. When review lessons daily C. If to review lessons daily D. Why to review lessons daily 【答案】A 【解析】headline（标题）只能用 how/what/when/which/whether/who/whom+to do；B 缺少 to；if、why 不符合结构使用规则。 一、单项选择 1．I can’t send an e-mail. Would you please show me ________? A．what to do B．where to go C．when to do D．how to do it 2．—I don’t know what ______ about the four great classical Chinese novels. —Why not read ______ first and then organize your own ideas? A．to write, reviews B．write, reasons C．to write, results D．to write, rewards 3．—Have you decided _______ to Xi’ an? —Yes. I’ll go there by train. It’s much cheaper than by plane. A．when to go B．where to go C．how to go D．who to go 4．Little Tom is really clever! He ________ use a computer to draw. A．taught him where to B．teaches what to C．taught himself how to D．teaches why to 5．If you don’t know ________ to deal with a traffic accident, you can ask a(n) ________ for help. A．how; engineer B．how; lawyer C．what; engineer D．what; lawyer 6．—Tom, could you tell me ________? —Try Music World in Fifth Street. A．why to buy a CD B．where to get a CD C．how to choose a CD D．when to record a CD 7．We are going for a meeting tomorrow. I’ll call Wendy to make sure ________. A．why to start B．which to start C．what to start D．when to start 8．During rush hour, self-driving cars are smart enough to “know” ________ to slow down, stop or start again. A．what B．where C．when D．who 9．—Excuse me, can you tell me how to ________ the stress from the exams? —Of course. You can talk to your parents or teachers. A．reduce B．reducing C．to reduce D．reduced 10．There are so many things in the supermarket that I can’t decide ________. A．what to buy B．what I’ve bought C．to buy what D．what shall I buy 11．It is sure that DeepSeek can make great differences to education. We just wonder ________ to make good use of it. A．that B．why C．how D．which 12．— I want to travel to the UK. Can you give me some advice, Luke?     — Why not ask DeepSeek for help? It can make a wonderful plan and tell you ________. A．how to do B．where to do C．what to do D．when to do 13．Would you please tell me ________ to do with all the books? A．how B．why C．what D．which 14．—Such beautiful flowers! I can’t decide ________ for my mom. —For Mother’s Day, it can’t be better to take some carnations (康乃馨). A．when to choose B．where to choose C．how to choose D．what to choose 15．I have learned it all by myself. That is to say nobody told me ________. A．what to do it B．how to do it C．where to do D．when to do 16．Can you tell me when the band starts ________ this evening and how ________ a table. A．to solve; get B．solving; to getting C．solving, to get D．to solve; getting 17．There is ________ homework for her and she doesn’t know ________ it. A．too many; what to do with B．too much; how to deal with C．much too; how to do with D．too much; what to deal with 18．I am not very sure ________ the problem right now. A．how to deal with B．what to deal with C．how to do with D．what to do 19．If you don’t know how ________ the math problem, I would like to help you. A．to deal with B．do with C．deal with D．to do with 20．—Maria, can you give me some advice? I can’t decide ________ to wear to the party. —Why not wear your red dress? It looks so beautiful on you. A．what B．when C．where D．how 21．I don’t know ______ this old bike. A．how to do with B．what to do with C．what to deal D．how to deal 22．We have two rooms ________, but I can’t decide ________. A．to live, to choose which one B．lived, choose which one C．live, which one D．to live in, which one to choose 23．— Beijing is considered ________ a great place. I will visit it next week. — Have you considered how ________ there? A．as; going B．to be; going C．for; to go D．as; to go 24．I don’t know ________ this difficult math problem. You can ask your teacher for help. A．what to work out B．how to work out C．when work out D．where work out 25．—I’ve put on ten pounds. —You should ________ to take more exercise and learn ________ a balanced diet. A．make an effort; what to keep B．try not; how to help C．try not; what to help D．make an effort; how to keep 26．They were wondering where ________ the office party and I suggested ________ to the Chinese restaurant near the station. A．to hold；going B．to hold；to go C．holding；to go D．holding；going 27．When you go to a foreign country for the first time, you may not know ________. But soon you’ll get used to it. A．where to go to B．who to talk about C．how to ask for help D．what to order it in a restaurant 28．I haven’t planned ________ the four great classical Chinese novels. A．why to read B．whose to read C．when to read D．what to read 29．________ nobody told her ________, she came for our help. A．As, what can she do next B．Because, how to do next C．Since, what to do next D．Now that, what she will do next 30．If you don’t know ________ next, you can ask the teacher ________ help. A．what to do it; for B．how to do; to C．what to do; for D．how to do it; to 31．—I often hear them ________ their travel plan these days. —Oh, they can’t decide which city ________. A．to discuss; to start B．discuss; to start with C．to discuss; start D．discuss; start with 32．—You look worried. What’s wrong? —I want to join an after-school club. But I’m not sure ________. A．which to choose B．to choose which C．to choose what D．choose which one 33．Daniel didn’t know ________ about the 2025 Huai’an Marathon. A．what to talk to B．what to talk C．who to talk to D．who to talk 34．We can’t work out the Physics problem. Can you tell us ________? A．how to do B．how to do it C．what to do it D．what should do 35．It is unknown ________ to set up more shelters for homeless people. A．if B．whether C．when D．how 36．The boy should ________ get on well with ________. A．be taught how to, others B．be known, another C．teach how they, another D．taught to, the other 37．I can’t decide which one _________. A．to buy it B．to be bought C．I must buy D．must I buy 38．Why not ________ your teacher for advice when you don’t know ________ the problems? A．to ask; how to do with. B．ask; what to deal with C．to ask; how to deal with D．ask; what to do with 39．Mary didn’t know who ________ the problem at that time. A．to talk about B．will talk to about C．to talk to about D．will to talk 40．They were wondering where ________ the office party and I suggested ________ to the Chinese restaurant near the station. A．to hold; going B．holds; to go C．to hold; to go D．holding; going 二、语法选择 根据短文内容，从A、B、C三个选项中选出一个语法正确的答案。 There are many fascinating places in Chongqing. However, the Beibin 1st Road Viewing Platform has become 1 one in the past months. Every day, crowds of 2 gather there. They wait 3 the moment excitedly when the light rail train (轻轨列车) passes through Liziba Station. As they take photos, they keep their mouths 4 , as if the train is about to pass through their mouths! Chongqing is known 5 the “Mountain City” because it’s built on hills. This makes transportation 6 challenge. But the city has found creative solutions. For example, the Liziba Monorail Station 7 inside a 19-floor building, with the station on floors 6 to 8. The light rail train is perfect for Chongqing’s geographic conditions. It can go up and down hills and around corners. Riding it is not only convenient but also 8 tourists a great view of the city. Chongqing’s perfect mix of nature, creativity, and culture makes 9 unforgettable. Don’t miss this fantastic city 10 you travel around China! 1．A．popular B．more popular C．the most popular 2．A．visitor B．visitors C．visitors’ 3．A．record B．to record C．recording 4．A．open B．opening C．opened 5．A．for B．to C．as 6．A．a B．an C．the 7．A．will be built B．are built C．is built 8．A．give B．gives C．gave 9．A．it B．its C．it’s 10．A．because B．though C．if 三、短文填空 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。 In the forests of southern Sweden, there is 1 small wooden house. It is part of a special tourism project called “Stay Quiet”. The idea was to help people get away 2 the noise of busy life and enjoy the peace of nature. Guests in the house must keep all sounds below 45 decibels (分贝), which is as quiet as a library. They have to leave at once 3 someone makes too much noise. This experience was not open to everyone. From more than 200 people who wanted to join, only three pairs 4 (choose) to take part over a weekend in late 2025. Noise 5 (pollute) is becoming a serious problem. Too much noise can make people stressed and cause sleeping problems. It’s harmful to keep 6 (stay) around noise for a long time, a study shows. It can make memory and attention 7 (health). However, nature helps us feel calm and think 8 (clear). Inside the cabin, there were no TVs, 9 (phone) or the Internet. Guests cooked meals over fire, walked in the forest and wrote letters to 10 (they) future selves. The project’s organizers hope that people can slow down and enjoy the beauty of silence. / 学科网（北京）股份有限公司 $ 专题05 U3语法：带有特殊疑问词的不定式精讲精练 +U3主题阅读训练 内容导航 01 预习航标→ 析目标·明方向：预习导航精准定向 02 教材全解 → 析教材·学新知：情境概念深度构 考点精讲：聚焦常考要点，讲清逻辑 例题精析：典型题目带路，学会解题思路 即练固基：趁热打铁练一练，巩固刚学内容 03过关检测 → 练考点·强落实：过关检测分层提 关键词 学习目标导航 学习目标 1. 熟记疑问词+to do不定式结构，明确可搭配与不可搭配该结构的疑问词，掌握该结构在句中作宾语、主语、表语、同位语的用法，了解其用作标题的简洁表达形式。 2. 牢记常后接 “疑问词+to do” 作宾语的动词清单，熟练区分do with与deal with的固定搭配及对应疑问词用法。 3. 能够结合语境辨析句式，正确运用 “疑问词+to do” 结构完成单项选择、语法选择、短文填空等各类题型。 4. 规避不定式漏写to、疑问词误用、句式结构混乱等常见错误，提升语法运用与语篇理解能力。 学习重点 1. 掌握疑问词+to do核心结构，牢记why和if不能接不定式to do这一硬性规则。 2. 熟记tell、know、advise、decide、discuss、wonder等高频动词，熟练使用该结构作宾语。 3. 分清该结构充当主语、表语、同位语的句式特征，掌握have no idea+疑问词+to do固定搭配。 4. 掌握该结构用于文章标题的用法，同时吃透what to do with和how to deal with的固定搭配。 学习难点 1. 在复杂语境中精准判断何时使用 “疑问词+to do”，区分该结构作不同句子成分时的句式差异。 2. 辨析易混句式，区分 “疑问词+to do” 结构与宾语从句，避免语序、成分混淆的错误。 3. 灵活运用do with和deal with两大高频搭配，结合句意选择正确的疑问词。 4. 在短文填空、语法选择等综合题型中，综合运用知识点，规避不定式缺失to、疑问词错用、宾语重复等典型错误。 考｜点｜精｜讲 考点一：结构基础与可用 / 不可用疑问词 核心知识点 1.结构公式：特殊疑问词+to do（不定式），整体相当于一个名词性从句，在句中可作宾语。 2.能搭配该结构的疑问词：what, when, where, which, who, whom, how, whether 3.不能搭配该结构的词：if、why（后不接 to do） 【典例破题】 We haven’t decided we will go or not. A. if B. why C. whether D. what 【答案】C 【解析】句尾有 or not，且空格后接 to do 变形从句结构；if 不能用于 to do 结构、不能搭配 or not；why 后不接不定式；what 语义不符，只有 whether 符合规则。 【巩固提升1】 Could you tell me choose for my mum’s birthday gift? A. why B. which C. if D. when to 【答案】D 【解析】why、if 后不能直接接动词原形 choose；which 缺少 to，正确结构为 wh - 词+to do，when to choose 符合语法规则。 【巩固提升2】 I don’t know ask for help after school. A. who to B. who C. why to D. if to 【答案】A 【解析】缺少 to 则结构不完整；why、if 不可搭配 to do 结构；who to ask 意为 “该找谁求助”，语法正确。 【巩固提升3】 —Should I buy this coat or that one? —I haven’t thought about to take. A. if B. why C. which D. what 【答案】C 【解析】if、why 不能搭配 to do；what 语义不匹配二选一的语境，which to take 表示 “选哪一件”，符合句意。 考点二：常接 “wh - 词+to do” 作宾语的动词 核心知识点 下列动词后常接「wh - 词+to do」作宾语： tell, know, advise, ask, choose, consider, decide, discover, discuss, explain, forget, guess, hear, imagine, learn, remember, show, teach, think, wonder 【典例破题】 The teacher advised me improve my spoken English quickly. A. how to B. how C. why to D. if to 【答案】A 【解析】advise 是规定可接该结构的动词；缺少 to 结构不成立；why、if 不能搭配不定式，how to improve 意为 “如何提升”，语义语法均通顺。 【巩固提升1】 I wonder book to borrow from the library. A. if B. which to C. which D. why to 【答案】B 【解析】wonder 可接 wh - 词+to do；if、why 禁用；缺少 to 结构错误，which to book 意为 “该借哪本书”。 【巩固提升2】 Please show me operate this new camera. A. why to B. if to C. how to D. how 【答案】C 【解析】show 属于指定动词，必须用 wh - 词+to do 完整结构；why、if 不能搭配不定式；缺 to 语法错误，how to operate 表示 “如何操作”。 【巩固提升3】 We need to discuss leave for the trip tomorrow morning. A. when to B. when C. if to D. why to 【答案】A 【解析】discuss 后可接该结构；if、why 不可搭配 to do；缺少 to 句子结构残缺，when to leave 意为 “何时出发”。 考点三：wh - 词+to do 充当主语、表语、同位语 核心知识点 1.作主语：How to finish the work is a big problem. 2.作表语（主语补足语）：My question is where to meet. 3.作同位语（固定搭配 have no idea）：I have no idea what to do next. 【典例破题】 save enough money takes me a whole year. A. How B. How to C. Why to D. If to 【答案】B 【解析】此处短语在句首作主语，必须用完整 wh - 词+to do；缺少 to 结构不成立；why、if 不能搭配不定式，How to save 意为 “如何存钱”。 【巩固提升1】 My biggest question is ask my strict teacher for advice. A. who to B. who C. why to D. if to 【答案】A 【解析】本结构作 is 后的表语，需要 to 构成完整结构；why、if 禁用；缺 to 语法错误，who to ask 表示 “该找谁请教”。 【巩固提升2】 I have no idea put these heavy boxes. A. where B. why to C. where to D. if to 【答案】C 【解析】have no idea 后接 wh - 词+to do 作同位语；why、if 不可搭配不定式；缺少 to 结构残缺，where to put 意为 “该放在哪里”。 【巩固提升3】 prepare for the exam worries every student. A. When B. If to C. Why to D. When to 【答案】D 【解析】短语置于句首充当主语，必须带 to；if、why 不能搭配不定式；缺 to 句子缺少非谓语结构，When to prepare 意为 “何时备考”。 考点四：wh - 词+to do 用于文章 / 书籍标题（简洁用法） 核心知识点 wh - 词+to do 结构简洁精炼，常单独用作文章、教程标题，不需要完整主句。 例：How to get everything done in a single day（如何在一天内完成所有事） 【典例破题】 Which sentence can be used as a proper article title? A. How learn English well B. How to learn English well C. Why to learn English well D. If to learn English well 【答案】B 【解析】标题需使用完整 wh - 词+to do；A 缺少 to；C、D 中 why、if 不能搭配不定式结构，无法用于该标题格式。 【巩固提升1】 1.Which one is a correct book title? A. Where travel on holiday B. If to travel on holiday C. Where to travel on holiday D. Why to travel on holiday 【答案】C 【解析】标题规范为 wh - 词+to do；A 缺少 to；if、why 不能用于该不定式标题结构，只有 C 格式合规。 【巩固提升2】 Choose the suitable title for a cooking passage. A. What cook for dinner B. What to cook for dinner C. If to cook for dinner D. Why to cook for dinner 【答案】B 【解析】标题必须带 to 构成不定式；A 缺 to；if、why 不允许搭配 to do 作标题，B 结构简洁符合要求。 【巩固提升3】 Which phrase can be the headline of a study skill article? A. When to review lessons daily B. When review lessons daily C. If to review lessons daily D. Why to review lessons daily 【答案】A 【解析】headline（标题）只能用 how/what/when/which/whether/who/whom+to do；B 缺少 to；if、why 不符合结构使用规则。 一、单项选择 1．I can’t send an e-mail. Would you please show me ________? A．what to do B．where to go C．when to do D．how to do it 【答案】D 【详解】句意：我不会发电子邮件。你能教我怎么发吗？ 考查疑问词+不定式。what to do做什么；where to go去哪里；when to do什么时候做；how to do it如何做。根据“I can’t send an e-mail.”可知，此处是请求对方教自己如何发邮件。故选D。 2．—I don’t know what ______ about the four great classical Chinese novels. —Why not read ______ first and then organize your own ideas? A．to write, reviews B．write, reasons C．to write, results D．to write, rewards 【答案】A 【详解】句意：——我不知道怎么写关于中国四大古典小说的内容。——为什么不先读评论，然后整理自己的想法呢？ 考查非谓语动词和名词辨析。reviews评论；reasons原因；results结果；rewards回报。根据“what…about the four great classical Chinese novels.”可知，第一空应是what to+动词原形，表示“做什么”；再由“organize your own ideas”和“read...first”可知，此处是说读评论，然后再整理自己的想法，故选A。 3．—Have you decided _______ to Xi’ an? —Yes. I’ll go there by train. It’s much cheaper than by plane. A．when to go B．where to go C．how to go D．who to go 【答案】C 【详解】句意：——你决定怎么去西安了吗？——是的。我将乘火车去那里。这比坐飞机便宜多了。 考查特殊疑问词。when to go什么时候去；where to go去哪里；how to go如何去；who to go和谁去。根据答句“I’ll go there by train.”可知，问句是询问交通方式。故选C。 4．Little Tom is really clever! He ________ use a computer to draw. A．taught him where to B．teaches what to C．taught himself how to D．teaches why to 【答案】C 【详解】句意：小汤姆真聪明！他自学了如何用电脑画画。 考查动词短语。根据“Little Tom is really clever!”和“He ... use a computer to draw.”可知，此处应指汤姆自己学会了用电脑画画，teach oneself“自学”，固定搭配，how to use a computer to draw“如何用电脑画画”。故选C。 5．If you don’t know ________ to deal with a traffic accident, you can ask a(n) ________ for help. A．how; engineer B．how; lawyer C．what; engineer D．what; lawyer 【答案】B 【详解】句意：如果你不知道如何处理交通事故，可以向律师求助。 考查特殊疑问词及名词辨析。how如何；what什么；engineer工程师；lawyer律师。how to deal with是固定搭配，表示“如何处理/应对某事”；根据“with a traffic accident ”可知，交通事故可能涉及法律问题，需向律师求助。故选B。 6．—Tom, could you tell me ________? —Try Music World in Fifth Street. A．why to buy a CD B．where to get a CD C．how to choose a CD D．when to record a CD 【答案】B 【详解】句意：——Tom，你能告诉我哪里可以买到光盘吗？——去第五街的音乐世界试试看。 考查疑问词+动词不定式。why to buy a CD为什么要买光盘；where to get a CD在哪里可以买到光盘；how to choose a CD如何选择一个光盘；when to record a CD什么时候记录一个光盘。根据“Try Music World in Fifth Street.”可知，回答的是一个地点，因此提问位置应用where来提问。故选B。 7．We are going for a meeting tomorrow. I’ll call Wendy to make sure ________. A．why to start B．which to start C．what to start D．when to start 【答案】D 【详解】句意：我们明天要去开会。我会打电话给温迪，确定什么时候开始。 考查动词不定式的用法。why to start为什么开始；which to start哪个开始；what to start开始什么；when to start什么时候开始。根据“We are going for a meeting tomorrow.”以及结合选项可知，此处指确定会议什么时候开始。故选D。 8．During rush hour, self-driving cars are smart enough to “know” ________ to slow down, stop or start again. A．what B．where C．when D．who 【答案】C 【详解】句意：在高峰期，自动驾驶汽车足够智能，能够“知道”何时减速、停车或重新启动。 考查疑问词。what什么；where哪里；when何时；who谁。根据“slow down, stop or start again”可知是指知道何时进行这些操作。故选C。 9．—Excuse me, can you tell me how to ________ the stress from the exams? —Of course. You can talk to your parents or teachers. A．reduce B．reducing C．to reduce D．reduced 【答案】A 【详解】句意：——打扰一下，你能告诉我如何减轻考试压力吗？——当然可以。你可以和你的父母或老师谈心。 考查非谓语动词用法。reduce减少，动词原形；reducing减少，动名词；to reduce减少，动词不定式；reduced减少，动词过去式。“how to do sth”是固定短语，表示“如何做某事”。其中“to”是动词不定式符号，后面接动词原形。故选A。 10．There are so many things in the supermarket that I can’t decide ________. A．what to buy B．what I’ve bought C．to buy what D．what shall I buy 【答案】A 【详解】句意：超市里有这么多东西，以至于我无法决定买什么。 考查疑问词+不定式结构。根据“I can’t decide”可知，是指不能决定买什么，空处用“疑问词+不定式”作宾语，或者接宾语从句，排除C选项；B选项时态是现在完成时，buy的动作还未发生，因此时态错误，D选项宾语从句应用陈述句语序，故排除；A选项是“疑问词+不定式”的结构，符合。故选A。 11．It is sure that DeepSeek can make great differences to education. We just wonder ________ to make good use of it. A．that B．why C．how D．which 【答案】C 【详解】句意：可以肯定的是，DeepSeek可以对教育产生巨大的影响。我们只是想知道如何充分利用它。 考查疑问词和不定式的用法。that那个；why为什么；how如何；which哪一个。根据“We just wonder…to make good use of it.”以及结合选项可知，此处指如何充分利用DeepSeek，应用how。故选C。 12．— I want to travel to the UK. Can you give me some advice, Luke?     — Why not ask DeepSeek for help? It can make a wonderful plan and tell you ________. A．how to do B．where to do C．what to do D．when to do 【答案】C 【详解】句意：——我想去英国旅行。你能给我一些建议吗，Luke？——为什么不向DeepSeek寻求帮助？它可以制定一个很棒的计划并告诉你该做什么。 考查“疑问词+不定式”结构的用法。根据“Can you give me some advice, Luke?”及“tell you...”可知，空处应表示旅行计划的具体行动内容，需What to do“该做什么”作宾语。故选C。 13．Would you please tell me ________ to do with all the books? A．how B．why C．what D．which 【答案】C 【详解】句意：你能告诉我如何处理所有这些书吗？ 考查疑问词辨析。how怎样；why为什么；what什么；which哪一个。题干中“do with”为固定短语，意为“处理”，常与what连用，构成what to do with结构，表示“如何处理”。故选C。 14．—Such beautiful flowers! I can’t decide ________ for my mom. —For Mother’s Day, it can’t be better to take some carnations (康乃馨). A．when to choose B．where to choose C．how to choose D．what to choose 【答案】D 【详解】句意：——这些花太美了！我决定不了为妈妈选择什么（种类的花）了。——对母亲节来说，买一些康乃馨再好不过了。 考查疑问词辨析。when什么时候，对时间提问；where哪里，对地点提问；how如何，对方式提问；what什么，对事物提问。根据“For Mother’s Day, it can’t be better to take some carnations.”可知，答语中的“康乃馨”属于事物，应该用what。故选D。 15．I have learned it all by myself. That is to say nobody told me ________. A．what to do it B．how to do it C．where to do D．when to do 【答案】B 【详解】句意：我都是自学的。也就是说，没有人告诉我该怎么做。 考查疑问词+不定式。what to do it表述有误（it多余）；how to do it如何做；where to do在哪里做；when to do什么时候做。根据“I have learned it all by myself. ”可知，自学即没人告诉自己该怎么做，how to do it符合语境。故选B。 16．Can you tell me when the band starts ________ this evening and how ________ a table. A．to solve; get B．solving; to getting C．solving, to get D．to solve; getting 【答案】C 【详解】句意：你能告诉我今晚乐队什么时候开始演出以及如何订桌吗？ 考查非谓语动词。“start doing sth.”和“start to do sth.”都可表示“开始做某事”；“疑问词+不定式” 结构（如 how to do）可作宾语。故选C。 17．There is ________ homework for her and she doesn’t know ________ it. A．too many; what to do with B．too much; how to deal with C．much too; how to do with D．too much; what to deal with 【答案】B 【详解】句意：她的作业太多了，她不知道该怎么处理这些作业。 考查副词短语和动词不定式结构。选项A中“too many”表示“太多”修饰可数名词复数，“what to do with”表示“如何处理”；选项B中“too much”表示“太多”修饰不可数名词，“how to deal with”表示“如何处理”；选项C中“much too”表示“太”修饰形容词/副词，“how to do with”为错误搭配；选项D中“what to deal with”也为错误搭配。题干中“homework”为不可数名词，所以应用“too much”来修饰。故选B。 18．I am not very sure ________ the problem right now. A．how to deal with B．what to deal with C．how to do with D．what to do 【答案】A 【详解】句意：我现在不太确定如何处理这个问题。 考查动词短语辨析。how to deal with怎样处理；what to deal with搭配不当；how to do with搭配错误；what to do做什么。deal with“处理”，常与“how”连用，表示方式；do with“处理”，但常与“what”连用。故选A。 19．If you don’t know how ________ the math problem, I would like to help you. A．to deal with B．do with C．deal with D．to do with 【答案】A 【详解】句意：如果你不知道如何处理这个数学问题，我愿意帮助你。 考查疑问词+不定式结构及短语动词辨析。to deal with处理；do with处理；deal with处理；to do with与……有关。此处为“疑问词+不定式”结构，根据“the math problem”可知，此处指处理这个数学问题，A项符合。故选A。 20．—Maria, can you give me some advice? I can’t decide ________ to wear to the party. —Why not wear your red dress? It looks so beautiful on you. A．what B．when C．where D．how 【答案】A 【详解】句意：——玛丽亚，你能给我一些建议吗？我无法决定穿什么去参加聚会。——为什么不穿你的红裙子呢？你穿上它看起来很漂亮。 考查特殊疑问词辨析。what什么；when何时；where哪里；how如何。根据答语“Why not wear your red dress.”可知，问句是在询问“穿什么”去聚会，因此用what。故选A。 21．I don’t know ______ this old bike. A．how to do with B．what to do with C．what to deal D．how to deal 【答案】B 【详解】句意：我不知道如何处理这辆旧自行车。 “do with”和“deal with”都表示“处理”，但“do with”常与“what”连用，而“deal”是不及物动词，与“how”连用时需要加介词“with”。因此，正确的表达应该是“what to do with”或“how to deal with”。选项A、C、D表达错误，应填what to do with。 22．We have two rooms ________, but I can’t decide ________. A．to live, to choose which one B．lived, choose which one C．live, which one D．to live in, which one to choose 【答案】D 【详解】句意：我们有两间可供居住的房间，但是我不能决定选择哪一间。 第一空，动词不定式作后置定语修饰rooms，live是不及物动词，与被修饰词存在逻辑上的动宾关系时，介词in 不能省略，故用to live in；第二空，decide后接宾语，采用“疑问词+动词不定式”结构，即which one to choose。 23．— Beijing is considered ________ a great place. I will visit it next week. — Have you considered how ________ there? A．as; going B．to be; going C．for; to go D．as; to go 【答案】D 【详解】句意：—— 北京被认为是一个很棒的地方。我下周要去参观它。—— 你考虑过怎么去那里吗？ as作为；to be成为；for为了；going去（动名词）；to go去（动词不定式）。“be considered as”是固定搭配，意为 “被认为是……”；“consider”后接“疑问词+不定式”结构作宾语，即“how to go”，意为 “怎么去”，应填as；to go。 24．I don’t know ________ this difficult math problem. You can ask your teacher for help. A．what to work out B．how to work out C．when work out D．where work out 【答案】B 【详解】句意：我不知道怎样解出这道数学难题。你可以向你的老师求助。 此处是“疑问词+动词不定式”结构。C、D项结构错误，缺少不定式符号to；句中“this difficult math problem”作“work out”的宾语，故不能用what，排除A；结合答语建议求助可知，此处指不知道解决的方法，应用how。故填how to work out。 25．—I’ve put on ten pounds. —You should ________ to take more exercise and learn ________ a balanced diet. A．make an effort; what to keep B．try not; how to help C．try not; what to help D．make an effort; how to keep 【答案】D 【详解】句意：——我胖了十磅。——你应该努力多锻炼并且学习如何保持均衡饮食。 第一空，根据上文“胖了十磅”可知建议是多锻炼，make an effort意为“努力”，符合语境；第二空，keep a balanced diet是固定搭配，意为“保持均衡饮食”，learn后接“疑问词+不定式”作宾语，此处表示学习“如何”保持，应用how to keep。 26．They were wondering where ________ the office party and I suggested ________ to the Chinese restaurant near the station. A．to hold；going B．to hold；to go C．holding；to go D．holding；going 【答案】A 【详解】句意：他们正在琢磨在哪里举行办公室聚会，我建议去车站附近的中国餐馆。 考查非谓语动词。“疑问词+动词不定式”的结构可以做动词的宾语，常见的疑问词有where，when，how等，本句中是“where+to do”的形式做“wonder”的宾语；“suggest doing sth.”意为“建议做某事”。故选A。 27．When you go to a foreign country for the first time, you may not know ________. But soon you’ll get used to it. A．where to go to B．who to talk about C．how to ask for help D．what to order it in a restaurant 【答案】C 【详解】句意：当你第一次去外国时，你可能不知道怎样求助。但是很快地你将习惯于它。 考查特殊疑问词用法辨析。where to go to，where为副词，to为介词，语法错误；who to talk about，talk about“谈论”，谈论谁，不符合语境；how to ask for help，怎样求助，how对方式进行提问，符合语境；what to order it in a restaurant，what和it都作宾语，重复，语法错误，故选C。 28．I haven’t planned ________ the four great classical Chinese novels. A．why to read B．whose to read C．when to read D．what to read 【答案】C 【详解】句意：我还没有计划什么时候读中国四大名著。 考查疑问词+动词不定式。why to read为什么阅读；whose to read谁的去读；when to read什么时候去读；what to read读什么。根据“I haven’t planned … the four great classical Chinese novels”可知，此处表示计划什么时候读，所以C选项最符合语境，故选C。 29．________ nobody told her ________, she came for our help. A．As, what can she do next B．Because, how to do next C．Since, what to do next D．Now that, what she will do next 【答案】C 【详解】句意：既然没有人告诉她下一步该做什么，她就来寻求我们的帮助。 考查连词辨析及疑问词+动词不定式结构。As因为；Because因为；Since既然；Now that既然。根据“... nobody told her ...”可知，空二处如果跟句子，时态应为一般过去时且语序用陈述句语序，排除AD选项，因此空二处可用疑问词+动词不定式的结构，选项B中how为副词，不能作do的宾语，因此表达错误，故排除。故选C。 30．If you don’t know ________ next, you can ask the teacher ________ help. A．what to do it; for B．how to do; to C．what to do; for D．how to do it; to 【答案】C 【详解】句意：如果你不知道接下来要做什么，你可以向老师寻求帮助。 考查“疑问词+不定式”和动词短语。第一空动词know后接“疑问词+动词不定式”作宾语，what是疑问代词，可作do的宾语；第二空为动词词组用法，ask sb. for help“向某人寻求帮助”。故选C。 31．—I often hear them ________ their travel plan these days. —Oh, they can’t decide which city ________. A．to discuss; to start B．discuss; to start with C．to discuss; start D．discuss; start with 【答案】B 【详解】句意：——这些天我经常听到他们讨论他们的旅行计划。——哦，他们不能决定从哪个城市开始。 考查非谓语动词，“疑问词+动词不定式”结构和动词短语。start开始；start with从……开始。根据第一空前的often可知，此处表示经常听到某人做某事，应用短语hear sb. do sth.，所以第一空应填discuss；分析“they can’t decide which city”和选项可知，此处应用“疑问词+动词不定式”结构，此句意为“他们不能决定从哪个城市开始”，短语start with符合语境，所以第二空应填to start with。故选B。 32．—You look worried. What’s wrong? —I want to join an after-school club. But I’m not sure ________. A．which to choose B．to choose which C．to choose what D．choose which one 【答案】A 【详解】句意：——你看起来很担心。怎么了？——我想加入一个课外俱乐部。但我不确定选哪个。 考查“疑问词+动词不定式”用法。此处是“疑问词+to do”结构，根据not sure可知不确定怎么选，其中“which to choose”是选择疑问短语，表示不确定选择哪个，语法正确且符合句意。故选A。 33．Daniel didn’t know ________ about the 2025 Huai’an Marathon. A．what to talk to B．what to talk C．who to talk to D．who to talk 【答案】C 【详解】句意：丹尼尔不知道该跟谁谈论2025年淮安马拉松赛。 考查“疑问词+动词不定式”结构和动词短语。根据题干和选项可知，此处应用“疑问词+动词不定式”结构作宾语，表示“不知道该和谁谈论2025年淮安马拉松赛”，talk to sb. about sth.表示“和某人谈论某事”，talk to后接人，所以此处应用疑问词who指人。故选C。 34．We can’t work out the Physics problem. Can you tell us ________? A．how to do B．how to do it C．what to do it D．what should do 【答案】B 【详解】句意：我们解不出这道物理题。你能告诉我们怎么做吗？ how to do怎么做 (缺少宾语，do是及物动词，后面需要接it)；how to do it怎么做它 (结构完整，do后接宾语it)；what to do it，what已作do的宾语，不能再接it，且结构错误；what should do做什么 (语序错误，且缺少主语)。疑问词+动词不定式结构在句中作宾语，how to do it符合语法。 35．It is unknown ________ to set up more shelters for homeless people. A．if B．whether C．when D．how 【答案】B 【详解】句意：是否应当为无家可归者建立更多的庇护所尚不清楚。 if是否；whether是否；when何时；how如何。根据空后“to set up”可知，此处考查“疑问词+不定式”结构。在英语中，表示“是否”且后接动词不定式时，只能用whether，不能用if。 36．The boy should ________ get on well with ________. A．be taught how to, others B．be known, another C．teach how they, another D．taught to, the other 【答案】A 【详解】句意：应该教这个男孩如何与他人好好相处。 考查动词短语，代词辨析和宾语从句。be taught how to被教导如何……；be known被熟知；teach how they教导他们如何……；taught to教导……（应是被动语态，taught前应有be）；others其他人；another另一个；the other另一个（两者中）。be known常与as/for搭配，be known as“作为……而闻名”，be known for“因……而闻名”，此处不符。teach的常用搭配是teach sb. sth.“教导某人某事”，其被动表达是sb. be taught sth.，以及teach sb. to do sth.“教导某人去做某事”，其被动表达是sb. be taught to do sth.，和teach sth. to sb.“教某人某物”。结合“The boy should...get on well with...”，此处应用被动表达sb. should be taught sth.，句中应是表示与他人好好相处，表泛指，用复数，others符合语境。故选A。 37．I can’t decide which one _________. A．to buy it B．to be bought C．I must buy D．must I buy 【答案】C 【详解】句意：我不能决定我必须买哪一个。 考查宾语从句和“疑问词+动词不定式”结构。结合选项和题干可知，空格处应用“疑问词+动词不定式”结构或宾语从句，如果空格处是“疑问词+动词不定式”结构，那么此句应表述为“I can’t decide which one to buy”，选项A和B均表述错误，所以排除选项A和B；如果空格处是宾语从句，则应采用陈述语序，所以排除选项D。故选C。 38．Why not ________ your teacher for advice when you don’t know ________ the problems? A．to ask; how to do with. B．ask; what to deal with C．to ask; how to deal with D．ask; what to do with 【答案】D 【详解】句意：当你不知道如何处理这个问题时，为什么不向你的老师请教呢? 考查特殊疑问句和疑问词+不定式结构。why not do sth“为什么不做某事呢”，可排除AC选项；do with/deal with“处理”，do with与what连用，deal with与how连用。故选D。 39．Mary didn’t know who ________ the problem at that time. A．to talk about B．will talk to about C．to talk to about D．will to talk 【答案】C 【详解】句意：玛丽当时不知道该和谁谈论这个问题。 考查疑问词+动词不定式及动词短语。talk to sb about sth“和某人谈论某事”，who作talk to的宾语，排除A、D选项。分析句子结构可知，此句为“疑问词+动词不定式”结构。故选C。 40．They were wondering where ________ the office party and I suggested ________ to the Chinese restaurant near the station. A．to hold; going B．holds; to go C．to hold; to go D．holding; going 【答案】A 【详解】句意：他们正在琢磨在哪里举行办公室聚会，我建议去车站附近的中国餐馆。 考查非谓语动词。“where+动词不定式”结构作“wonder”的宾语，表示“在哪里做某事”；“suggest”后接动名词作宾语，表示“建议做某事”。故选A。 二、语法选择 根据短文内容，从A、B、C三个选项中选出一个语法正确的答案。 There are many fascinating places in Chongqing. However, the Beibin 1st Road Viewing Platform has become 1 one in the past months. Every day, crowds of 2 gather there. They wait 3 the moment excitedly when the light rail train (轻轨列车) passes through Liziba Station. As they take photos, they keep their mouths 4 , as if the train is about to pass through their mouths! Chongqing is known 5 the “Mountain City” because it’s built on hills. This makes transportation 6 challenge. But the city has found creative solutions. For example, the Liziba Monorail Station 7 inside a 19-floor building, with the station on floors 6 to 8. The light rail train is perfect for Chongqing’s geographic conditions. It can go up and down hills and around corners. Riding it is not only convenient but also 8 tourists a great view of the city. Chongqing’s perfect mix of nature, creativity, and culture makes 9 unforgettable. Don’t miss this fantastic city 10 you travel around China! 1．A．popular B．more popular C．the most popular 2．A．visitor B．visitors C．visitors’ 3．A．record B．to record C．recording 4．A．open B．opening C．opened 5．A．for B．to C．as 6．A．a B．an C．the 7．A．will be built B．are built C．is built 8．A．give B．gives C．gave 9．A．it B．its C．it’s 10．A．because B．though C．if 【答案】 1．C 2．B 3．B 4．A 5．C 6．A 7．C 8．B 9．A 10．C 【导语】本文主要介绍了重庆著名的李子坝轻轨站。轻轨穿楼而过的奇特景观吸引了大量游客前来打卡拍照，展现了重庆这座“山城”独特的交通设计与城市魅力。 1．句意：然而，在过去的几个月里，北滨一路观景平台已经成为最受欢迎的一个。 根据前文“There are many fascinating places in Chongqing.”可知，此处表示在众多迷人的地方中“最受欢迎的一个”，应用形容词最高级。the most popular是最高级，意为“最受欢迎的”，符合语法。 2．句意：每天，成群的游客聚集在那里。 根据“crowds of”可知，其后应接可数名词的复数形式。visitors是复数，符合搭配。 3．句意：他们兴奋地等待着记录轻轨列车穿过李子坝站的那一刻。 根据固定搭配“wait to do sth.”可知，此处应用动词不定式作目的状语。to record是不定式，符合语法。 4．句意：当他们拍照时，他们张着嘴，好像火车要穿过他们的嘴一样！ 根据“keep their mouths...”可知，此处考查“keep+宾语+形容词”结构，表示保持某种状态，open作形容词意为“张开的”，符合语境。 5．句意：重庆作为“山城”而闻名，因为它是建在山上的。 根据“the ‘Mountain City’”可知，“山城”是重庆的称号，固定搭配be known as意为“作为……而闻名”，符合语境。 6．句意：这使得交通成为一项挑战。 根据“challenge”可知，此处泛指“一项挑战”，为可数名词单数，且challenge以辅音音素开头，应用不定冠词a。 7．句意：例如，李子坝单轨站建在一栋19层的建筑内，车站位于6到8层。 根据主语“the Liziba Monorail Station”与动词build之间是被动关系，且描述的是客观事实，应用一般现在时的被动语态；主语为单数，谓语动词用is built。 8．句意：乘坐它不仅方便，而且给游客提供了一个欣赏城市美景的好视角。 根据“not only...but also...”连接并列谓语，前文为“is”，时态为一般现在时，主语“Riding it”为动名词短语，视为第三人称单数，故动词应用gives。 9．句意：重庆自然、创意和文化的完美融合使它令人难忘。 根据“makes...unforgettable”可知，此处考查“make+宾语+宾补”结构，应用代词宾格it指代重庆。 10．句意：如果你在中国旅游，不要错过这个奇妙的城市！ 根据语境可知，前后句是条件关系，意为“如果”你来中国旅游，就不要错过。if意为“如果”，引导条件状语从句。 三、短文填空 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。 In the forests of southern Sweden, there is 1 small wooden house. It is part of a special tourism project called “Stay Quiet”. The idea was to help people get away 2 the noise of busy life and enjoy the peace of nature. Guests in the house must keep all sounds below 45 decibels (分贝), which is as quiet as a library. They have to leave at once 3 someone makes too much noise. This experience was not open to everyone. From more than 200 people who wanted to join, only three pairs 4 (choose) to take part over a weekend in late 2025. Noise 5 (pollute) is becoming a serious problem. Too much noise can make people stressed and cause sleeping problems. It’s harmful to keep 6 (stay) around noise for a long time, a study shows. It can make memory and attention 7 (health). However, nature helps us feel calm and think 8 (clear). Inside the cabin, there were no TVs, 9 (phone) or the Internet. Guests cooked meals over fire, walked in the forest and wrote letters to 10 (they) future selves. The project’s organizers hope that people can slow down and enjoy the beauty of silence. 【答案】 1．a 2． from 3．if 4．were chosen 5．pollution 6．staying 7．unhealthy 8．clearly 9．phones 10．their 【导语】本文主要介绍了瑞典南部森林中一个名为“Stay Quiet”的特别旅游项目，强调远离噪音、享受宁静自然的生活方式。 1．句意：在瑞典南部的森林里，有一间小木屋。“small wooden house”为单数可数名词，且第一次出现，故用不定冠词a。 2．句意：这个想法是为了帮助人们远离繁忙生活的噪音，享受自然的宁静。get away from为固定搭配，意为“远离……”。 3．句意：如果有人制造太多噪音，他们必须立刻离开。分析前后句可知，此处表示条件关系，故用if引导条件状语从句。 4．句意：在200多名想参加的人中，只有三组被选中在2025年底的一个周末参加。主语“three pairs”与choose之间为被动关系，且时间状语为in late 2025，故用一般过去时的被动语态were chosen。 5．句意：噪音污染正成为一个严重的问题。此处作主语，需用名词形式pollution，noise pollution为固定表达，意为“噪音污染”。 6．句意：一项研究表明，长期处于噪音环境中是有害的。keep doing sth.为固定搭配，意为“持续做某事”，故填staying。 7．句意：它会使记忆力和注意力不健康。根据前文harmful可知，此处表示负面影响，需用形容词unhealthy作宾语补足语，表示“不健康的”。 8．句意：然而，大自然帮助我们感到平静并清晰地思考。修饰动词think需用副词形式clearly。 9．句意：小屋里没有电视、电话和网络。phone为可数名词，与TVs并列，且泛指多部电话，故用复数形式phones。 10．句意：客人用火做饭，在森林里散步，并给未来的自己写信。修饰名词future selves需用形容词性物主代词their，表示“他们自己的”。 / 学科网（北京）股份有限公司 $