内容正文:
Unit 3 Sports and Fitness
核心语法精练
答案
考点夯基
一、单项选择
1.【答案】A
【详解】考查反意疑问句。主句为一般现在时肯定句,实义动词work out作谓语,前肯后否,助动词用don’t,主语you保持一致。句意:你经常放学后去健身房锻炼,不是吗?
2.【答案】B
【详解】考查隐性否定反意疑问句。hardly为隐性否定副词,主句视为否定句,遵循前否
后肯;实义动词takes,助动词用does。句意:他几乎不参加球类运动,是吗?
3.【答案】B
【详解】考查祈使句反意疑问句。Let’s 开头表示提议、包含听话人,固定搭配尾句shall we。句意:咱们保持均衡饮食强身健体,好吗?
4.【答案】B
【详解】考查祈使句辨析。Let us 表示请求对方允许我们,不包含听话人,
尾句固定用will you。
5.【答案】A
【详解】考查There be句型反意疑问句。主句将来时肯定句,前肯后否,结构保持一致用won’t there。句意:下周五将会举办校运动会,不是吗?
6.【答案】
B【详解】易错考点!dislike为前缀否定词汇,句子本身属于肯定句;前肯后否,实义动词用doesn’t。句意:她不喜欢竞技类体育运动,不是吗?
7.【答案】B
【详解】must表示“规章制度、必须做”,尾句固定用mustn’t。句意:体育课你必须穿
运动鞋,对吗?
8.【答案】B
【详解】不定代词everyone作主语,反意疑问尾句代词统一用复数they;
肯定句后接否定尾句。
9.【答案】A
【详解】否定祈使句,反意疑问句固定用will you。句意:运动期间别忘了补水,好吗?
10.【答案】B
【详解】must表对现在身份的推测,疑问句还原系动词be;主句He is a athlete,
尾句用isn’t he。
二、单句语法填空
1.【答案】aren’t you
【详解】be动词肯定句,前肯后否
2.【答案】does he
【详解】never隐性否定,前否后肯,实义动词stays用助动词does
3.【答案】shall we
4.【答案】haven’t they
【详解】现在完成时,复用助动词have
5.【答案】is there
【详解】little表几乎没有,否定含义;there be句型前否后肯
6.【答案】can’t you
7.【答案】doesn’t he
8.【答案】will you
9.【答案】do they
10.【答案】haven’t you
【详解】must对过去动作推测,复用完成时助动词have
综合提升
一、语法填空
Passage 01
【答案】
1.is 2.strengthens 3.don’t they 4.to arrange 5.combined 6.develop 7.shall we 8.staying 9.won’t they 10.without
【导语】围绕本单元运动与健康话题,综合考查反意疑问句、主谓一致、非谓语、固定搭配
【详解】
1.考查主谓一致。动名词短语keeping fit作主语,谓语动词用单数is。
2.考查主谓一致。主语Regular exercise为不可数名词,一般现在时谓语单数strengthens。
3.考查核心语法反意疑问句。主句主语students,肯定句式,实义动词stick,填don’t they。
4.考查固定句型:It is feasible to do sth.做某事是可行的,填不定式to arrange。
5.考查非谓语。固定搭配be combined with,过去分词作后置定语,填combined。
6.考查使役动词用法:let’s do sth. 填动词原形develop。
7.考查祈使句反意疑问句。Let’s开头固定填shall we,单元核心考点。
8.考查固定搭配:avoid doing sth.避免做某事,填staying。
9.考查定语从句+反意疑问句。主句将来时肯定句,填won’t they。
10.考查介词。结合句意:没有人能不坚持运动就获得长久健康,填without。
二、完形填空
【答案】
1.B 2.A 3.A 4.C 5.B 6.A 7.B 8.C 9.C 10.A
【导语】本文讲述跑步运动改变身心状态,坚持运动磨砺性格;
【详解】
1.考查反意疑问句。主句一般过去时肯定句,No one复数概念,前肯后否,选didn’t they。
2.考查短语辨析。give up放弃;起初我很累想要放弃跑步。
3.考查反意疑问句。主句现在完成时you have paid,尾句haven’t you。
6.考查衔接上册语法:现在进行时表将来,已定计划将要加入俱乐部。
7.考查情态动词反意疑问句;主句You can balance,尾句can’t you。
10.考查固定搭配achieve one’s goal 达成目标。
三、阅读理解七选五
【答案】1.B 2.A 3.can’t you 4.C 5.E
【详解】
1. 承上启下,上文提出缺少科学健身方法,下文分点给建议,选B。
2. 前后举例适配运动类型,对应长跑,此处填团队运动适配人群,选A。
3. 语法考点嵌入:主句肯定句情态动词won’t,反意疑问句can’t you。
4. 对应运动时间规划,饭后长时间运动不利于健康,选C。
5. 后文强调坚持的重要性;few否定含义,反意疑问句can they,贴合段落主旨。
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Unit 3 Sports and Fitness
核心语法精练
目录
1
二、考点夯基 4
一、单项选择 4
二、单句语法填空 11
三、综合提升 14
一、语法填空 14
二、完形填空........................................................................................................................
三、阅读理解七选五 18
现在进行时表将来
一、语法核心定义
1、反意疑问句由陈述句+简短附加疑问句两部分构成,用于对前文陈述内容进行
求证、确认;前后两部分人称一致、时态一致、助动词一致。
2、核心口诀:前肯后否,前否后肯;否定看否定词,动词看谓语。
二、基本句式结构
(1)肯定陈述句+否定疑问句结构:
主语+be/助动词/情态动词+其他,be/助动词/情态动词否定式+人称代词?
例句:You like doing sports, don’t you? 你喜欢运动,是吗?
(2)否定陈述句 + 肯定疑问尾句 结构:
主语+never/hardly/seldom等否定词+谓语, 对应助动词/be动词+人称代词?
例句:He hardly works out, does he? 他几乎不锻炼,是吗?
三、必考分类考点
1. 基础句式(be动词/情态动词/助动词类)
(1)陈述句含be动词:尾句用be动词; She is fit, isn’t she?
(2)陈述句含情态动词can/must/should:尾句用情态动词;You can run fast, can’t you?
(3) 实义动词作谓语:尾句用do/does/did;They play basketball, don’t they?
2. 重难点:陈述部分含隐性否定词
句中出现以下词汇,陈述句视为否定句,尾句必须用肯定句式
否定词清单:never(从不)、hardly(几乎不)、seldom(很少)、rarely(罕见)、
little/few(几乎没有)、no(没有)、none、nobody
例句:He never skips exercise, does he? ✅
3. 祈使句反意疑问句
(1)肯定/否定祈使句:尾句统一用 will you?
Don’t stop working out, will you?
Let’s do sth.(咱们,包含听话人):
(2) 尾句固定 shall we?
Let’s do morning exercise, shall we?
Let us do sth.(请允许我们,不包含听话人):
(3) 尾句固定 will you?
Let us keep healthy, will you?
4. 特殊主语考点
(1)this/that作主语→尾句用it;These/those→尾句用they
(2)everyone/everybody/somebody→尾句统一用复数代词they
(3)There be句型:尾句沿用there be结构;There is a sports meeting, isn’t there?
5. 易混重难点:must三大用法辨析
(1)must表必须、义务:
尾句用mustn’t;You must exercise, mustn’t you?
(2) must表肯定推测(现在状态):
尾句看后面实义动词;He must be tired, isn’t he?
(3) must表过去推测:
尾句用haven’t/hasn’t;He must have exercised, hasn’t he?
一、单项选择
1.(26-27高一·全国·单元检测)You often work out in the gym after school, ______?
A.don’t you B.do you C.aren’t you D.are you
2.(26-27高一上·山东潍坊·期中)He hardly takes part in ball games, ______?
A.doesn’t he B.does he C.isn’t he D.is he
3.(26-27高一上·广东广州·期末)Let’s keep a balanced diet to keep fit, ______?
A.will you B.shall we C.won’t you D.don’t we
4.(26-27高一·暑假同步作业)Let us stop for a sports break, ______?
A.shall we B.will you C.do we D.don’t you
5.(26-27高一下·河北唐山·期中)There will be a school sports meeting next Friday, ______?
A.won’t there B.will there C.isn’t there D.is there
6.(26-27高一上·四川绵阳·期中)She dislikes competitive sports, ______?
A.does she B.doesn’t she C.is she D.isn’t she
7.(26-27高一·单元培优)You must wear sports shoes in PE class, ______?
A.must you B.mustn’t you C.can you D.can’t you
8.(26-27高一·江苏南通·期末)Everyone in our class likes sports, ______?
A.does he B.don’t they C.do they D.doesn’t he
9.(26-27高一·易错题)Don’t forget to drink water during exercise, ______?
A.will you B.shall we C.do you D.don’t you
10.(26-27高一上·湖南长沙·期中)He must be a professional athlete, ______?
A.mustn’t he B.isn’t he C.doesn’t he D.can’t he
二、单句语法填空
补全下列句子的附加疑问部分
1.You are good at playing volleyball, ________?
2.Tom never stays up to ruin his fitness, ________?
3.Let’s work out together after class, ________?
4.They have joined the school basketball club, ________?
5.There is little healthy food on the table, ________?
6.You can improve your physical condition by running, ________?
7.He dislikes swimming in winter, ________?
8.Let us choose our own sports items, ________?
9.Nobody knows his sports dream, ________?
10.You must have finished your fitness training, ________?
一、语法填空
阅读下面的短文,在空白处填入一个适当的单词或括号内单词的正确形式。
Passage 01
(25-26高一下·浙江杭州·期末)Sports and fitness play an essential role in teenagers’ daily life. Many students have realized that keeping fit 1 (be) of great value to physical and mental health. Regular exercise, such as running and playing ball games, 2 (strengthen) our body and relieves study pressure.
Some students hardly stick to daily training, 3? They always complain that heavy schoolwork takes up their spare time. In fact, it is feasible 4 (arrange) short-time exercise between classes. What’s more, a balanced diet 5 (combine) with proper exercise can shape a better figure.
Let’s 6 (develop) a healthy lifestyle from now on, 7? We should avoid 8 (stay) up late and eat more fresh vegetables. Everyone who keeps exercising will become more energetic, 9?
Experts suggest that we (should) take at least one hour of exercise every day. No one can achieve lifelong fitness 10 continuous persistence.
二、完形填空
(25-26高一下·山东济南·期末)Fitness is not about being perfect; it is about keeping going. I used to be weak and afraid of all kinds of sports. No one believed I could stick to long-distance running, 1 ?
Last semester, my PE teacher advised me to start with slow jogging. At first, I felt exhausted and wanted to 2 . I doubted whether I could make any progress. My teacher told me: “You have paid efforts, 3 ? Never give up easily.”
I kept running every morning. Gradually, I could run longer distances without feeling 4 . I realized that sports changed me not only in physique but also in 5 . Running taught me to face difficulties bravely.
Now I fall in love with outdoor sports. I 6 join the school running club next month. My parents support my hobby, for they know health is the base of everything. They always tell me: You can balance sports and study, 7 ?
Sports do not build the body only; they also 8 our personality. We will meet countless difficulties in sports and in life. The 9 is whether we have the courage to keep moving. Never quit, and you will finally 10 your goal.
1.A.did they B.didn’t they C.do they D.don’t they
2.A.give up B.give out C.give away D.give in
3.A.haven’t you B.didn’t you C.will you D.do you
4.A.relaxed B.confused C.tired D.surprised
5.A.habit B.character C.diet D.schedule
6.A.am joining B.joined C.join D.have joined
7.A.won’t you B.can’t you C.mustn’t you D.shouldn’t you
8.A.train B.change C.Shape D.build
9.A.Truth B.result C.Key D.reason
10.A.achieve B.accept C.Admit D.adjust
三、阅读理解七选五
(25-26高一下·江苏苏州·期末)How to Keep Fit Scientifically
Physical health is the foundation of teenagers’ study and daily life. Many teenagers want to keep fit, but they lack correct sports methods. 1
First, choose suitable sports according to your physical condition. 2 Long-distance running fits people who want to improve endurance. You won’t choose dangerous extreme sports easily, ____3____?
Second, arrange reasonable exercise time. Morning exercise is the best choice for most students.
4 Never stay up late for extra training, which will damage your immune system.
Third, combine exercise with a healthy diet. High-sugar and high-fat food will ruin your exercise results. More vegetables and protein can help your muscle recover faster.
Last but not least, stick to your sports plan. 5 Persistence is the secret to long-term fitness.
A.Team sports such as basketball fit outgoing students.
B.Here are some practical fitness suggestions for you.
C.It is unwise to exercise for a long time after dinner.
D.You can change your sports style anytime.
E.Few people can keep exercising for more than one year, can they?
F.Sports can make us confident and energetic.
G.You will keep energetic with proper exercise.
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Unit 3 Sports and Fitness
核心语法精练
目录
1
二、考点夯基 4
一、单项选择 4
二、单句语法填空 11
三、综合提升 14
一、语法填空 14
二、完形填空........................................................................................................................
三、阅读理解七选五 18
现在进行时表将来
一、语法核心定义
1、反意疑问句由陈述句+简短附加疑问句两部分构成,用于对前文陈述内容进行
求证、确认;前后两部分人称一致、时态一致、助动词一致。
2、核心口诀:前肯后否,前否后肯;否定看否定词,动词看谓语。
二、基本句式结构
(1)肯定陈述句+否定疑问句结构:
主语+be/助动词/情态动词+其他,be/助动词/情态动词否定式+人称代词?
例句:You like doing sports, don’t you? 你喜欢运动,是吗?
(2)否定陈述句 + 肯定疑问尾句 结构:
主语+never/hardly/seldom等否定词+谓语, 对应助动词/be动词+人称代词?
例句:He hardly works out, does he? 他几乎不锻炼,是吗?
三、必考分类考点
1. 基础句式(be动词/情态动词/助动词类)
(1)陈述句含be动词:尾句用be动词; She is fit, isn’t she?
(2)陈述句含情态动词can/must/should:尾句用情态动词;You can run fast, can’t you?
(3) 实义动词作谓语:尾句用do/does/did;They play basketball, don’t they?
2. 重难点:陈述部分含隐性否定词
句中出现以下词汇,陈述句视为否定句,尾句必须用肯定句式
否定词清单:never(从不)、hardly(几乎不)、seldom(很少)、rarely(罕见)、
little/few(几乎没有)、no(没有)、none、nobody
例句:He never skips exercise, does he? ✅
3. 祈使句反意疑问句
(1)肯定/否定祈使句:尾句统一用 will you?
Don’t stop working out, will you?
Let’s do sth.(咱们,包含听话人):
(2) 尾句固定 shall we?
Let’s do morning exercise, shall we?
Let us do sth.(请允许我们,不包含听话人):
(3) 尾句固定 will you?
Let us keep healthy, will you?
4. 特殊主语考点
(1)this/that作主语→尾句用it;These/those→尾句用they
(2)everyone/everybody/somebody→尾句统一用复数代词they
(3)There be句型:尾句沿用there be结构;There is a sports meeting, isn’t there?
5. 易混重难点:must三大用法辨析
(1)must表必须、义务:
尾句用mustn’t;You must exercise, mustn’t you?
(2) must表肯定推测(现在状态):
尾句看后面实义动词;He must be tired, isn’t he?
(3) must表过去推测:
尾句用haven’t/hasn’t;He must have exercised, hasn’t he?
一、单项选择
1.(26-27高一·全国·单元检测)You often work out in the gym after school, ______?
A.don’t you B.do you C.aren’t you D.are you
【答案】A
【详解】考查反意疑问句。主句为一般现在时肯定句,实义动词work out作谓语,前肯后否,助动词用don’t,主语you保持一致。句意:你经常放学后去健身房锻炼,不是吗?
2.(26-27高一上·山东潍坊·期中)He hardly takes part in ball games, ______?
A.doesn’t he B.does he C.isn’t he D.is he
【答案】B
【详解】考查隐性否定反意疑问句。hardly为隐性否定副词,主句视为否定句,遵循前否
后肯;实义动词takes,助动词用does。句意:他几乎不参加球类运动,是吗?
3.(26-27高一上·广东广州·期末)Let’s keep a balanced diet to keep fit, ______?
A.will you B.shall we C.won’t you D.don’t we
【答案】B
【详解】考查祈使句反意疑问句。Let’s 开头表示提议、包含听话人,固定搭配尾句shall we。句意:咱们保持均衡饮食强身健体,好吗?
4.(26-27高一·暑假同步作业)Let us stop for a sports break, ______?
A.shall we B.will you C.do we D.don’t you
【答案】B
【详解】考查祈使句辨析。Let us 表示请求对方允许我们,不包含听话人,
尾句固定用will you。
5.(26-27高一下·河北唐山·期中)There will be a school sports meeting next Friday, ______?
A.won’t there B.will there C.isn’t there D.is there
【答案】A
【详解】考查There be句型反意疑问句。主句将来时肯定句,前肯后否,结构保持一致用won’t there。句意:下周五将会举办校运动会,不是吗?
6.(26-27高一上·四川绵阳·期中)She dislikes competitive sports, ______?
A.does she B.doesn’t she C.is she D.isn’t she
【答案】
B【详解】易错考点!dislike为前缀否定词汇,句子本身属于肯定句;前肯后否,实义动词用doesn’t。句意:她不喜欢竞技类体育运动,不是吗?
7.(26-27高一·单元培优)You must wear sports shoes in PE class, ______?
A.must you B.mustn’t you C.can you D.can’t you
【答案】B
【详解】must表示“规章制度、必须做”,尾句固定用mustn’t。句意:体育课你必须穿
运动鞋,对吗?
8.(26-27高一·江苏南通·期末)Everyone in our class likes sports, ______?
A.does he B.don’t they C.do they D.doesn’t he
【答案】B
【详解】不定代词everyone作主语,反意疑问尾句代词统一用复数they;
肯定句后接否定尾句。
9.(26-27高一·易错题)Don’t forget to drink water during exercise, ______?
A.will you B.shall we C.do you D.don’t you
【答案】A
【详解】否定祈使句,反意疑问句固定用will you。句意:运动期间别忘了补水,好吗?
10.(26-27高一上·湖南长沙·期中)He must be a professional athlete, ______?
A.mustn’t he B.isn’t he C.doesn’t he D.can’t he
【答案】B
【详解】must表对现在身份的推测,疑问句还原系动词be;主句He is a athlete,
尾句用isn’t he。
二、单句语法填空
补全下列句子的附加疑问部分
1.You are good at playing volleyball, ________?
【答案】aren’t you
【详解】be动词肯定句,前肯后否
2.Tom never stays up to ruin his fitness, ________?
【答案】does he
【详解】never隐性否定,前否后肯,实义动词stays用助动词does
3.Let’s work out together after class, ________?
【答案】shall we
4.They have joined the school basketball club, ________?
【答案】haven’t they
【详解】现在完成时,复用助动词have
5.There is little healthy food on the table, ________?
【答案】is there
【详解】little表几乎没有,否定含义;there be句型前否后肯
6.You can improve your physical condition by running, ________?
【答案】can’t you
7.He dislikes swimming in winter, ________?
【答案】doesn’t he
8.Let us choose our own sports items, ________?
【答案】will you
9.Nobody knows his sports dream, ________?
【答案】do they
10.You must have finished your fitness training, ________?
【答案】haven’t you
【详解】must对过去动作推测,复用完成时助动词have
一、语法填空
阅读下面的短文,在空白处填入一个适当的单词或括号内单词的正确形式。
Passage 01
(25-26高一下·浙江杭州·期末)Sports and fitness play an essential role in teenagers’ daily life. Many students have realized that keeping fit 1 (be) of great value to physical and mental health. Regular exercise, such as running and playing ball games, 2 (strengthen) our body and relieves study pressure.
Some students hardly stick to daily training, 3? They always complain that heavy schoolwork takes up their spare time. In fact, it is feasible 4 (arrange) short-time exercise between classes. What’s more, a balanced diet 5 (combine) with proper exercise can shape a better figure.
Let’s 6 (develop) a healthy lifestyle from now on, 7? We should avoid 8 (stay) up late and eat more fresh vegetables. Everyone who keeps exercising will become more energetic, 9?
Experts suggest that we (should) take at least one hour of exercise every day. No one can achieve lifelong fitness 10 continuous persistence.
【答案】
1.is 2.strengthens 3.don’t they 4.to arrange 5.combined 6.develop 7.shall we 8.staying 9.won’t they 10.without
【导语】围绕本单元运动与健康话题,综合考查反意疑问句、主谓一致、非谓语、固定搭配
【详解】
1.考查主谓一致。动名词短语keeping fit作主语,谓语动词用单数is。
2.考查主谓一致。主语Regular exercise为不可数名词,一般现在时谓语单数strengthens。
3.考查核心语法反意疑问句。主句主语students,肯定句式,实义动词stick,填don’t they。
4.考查固定句型:It is feasible to do sth.做某事是可行的,填不定式to arrange。
5.考查非谓语。固定搭配be combined with,过去分词作后置定语,填combined。
6.考查使役动词用法:let’s do sth. 填动词原形develop。
7.考查祈使句反意疑问句。Let’s开头固定填shall we,单元核心考点。
8.考查固定搭配:avoid doing sth.避免做某事,填staying。
9.考查定语从句+反意疑问句。主句将来时肯定句,填won’t they。
10.考查介词。结合句意:没有人能不坚持运动就获得长久健康,填without。
二、完形填空
(25-26高一下·山东济南·期末)Fitness is not about being perfect; it is about keeping going. I used to be weak and afraid of all kinds of sports. No one believed I could stick to long-distance running, 1 ?
Last semester, my PE teacher advised me to start with slow jogging. At first, I felt exhausted and wanted to 2 . I doubted whether I could make any progress. My teacher told me: “You have paid efforts, 3 ? Never give up easily.”
I kept running every morning. Gradually, I could run longer distances without feeling 4 . I realized that sports changed me not only in physique but also in 5 . Running taught me to face difficulties bravely.
Now I fall in love with outdoor sports. I 6 join the school running club next month. My parents support my hobby, for they know health is the base of everything. They always tell me: You can balance sports and study, 7 ?
Sports do not build the body only; they also 8 our personality. We will meet countless difficulties in sports and in life. The 9 is whether we have the courage to keep moving. Never quit, and you will finally 10 your goal.
1.A.did they B.didn’t they C.do they D.don’t they
2.A.give up B.give out C.give away D.give in
3.A.haven’t you B.didn’t you C.will you D.do you
4.A.relaxed B.confused C.tired D.surprised
5.A.habit B.character C.diet D.schedule
6.A.am joining B.joined C.join D.have joined
7.A.won’t you B.can’t you C.mustn’t you D.shouldn’t you
8.A.train B.change C.Shape D.build
9.A.Truth B.result C.Key D.reason
10.A.achieve B.accept C.Admit D.adjust
【答案】
1.B 2.A 3.A 4.C 5.B 6.A 7.B 8.C 9.C 10.A
【导语】本文讲述跑步运动改变身心状态,坚持运动磨砺性格;
【详解】
1.考查反意疑问句。主句一般过去时肯定句,No one复数概念,前肯后否,选didn’t they。
2.考查短语辨析。give up放弃;起初我很累想要放弃跑步。
3.考查反意疑问句。主句现在完成时you have paid,尾句haven’t you。
6.考查衔接上册语法:现在进行时表将来,已定计划将要加入俱乐部。
7.考查情态动词反意疑问句;主句You can balance,尾句can’t you。
10.考查固定搭配achieve one’s goal 达成目标。
三、阅读理解七选五
(25-26高一下·江苏苏州·期末)How to Keep Fit Scientifically
Physical health is the foundation of teenagers’ study and daily life. Many teenagers want to keep fit, but they lack correct sports methods. 1
First, choose suitable sports according to your physical condition. 2 Long-distance running fits people who want to improve endurance. You won’t choose dangerous extreme sports easily, ____3____?
Second, arrange reasonable exercise time. Morning exercise is the best choice for most students.
4 Never stay up late for extra training, which will damage your immune system.
Third, combine exercise with a healthy diet. High-sugar and high-fat food will ruin your exercise results. More vegetables and protein can help your muscle recover faster.
Last but not least, stick to your sports plan. 5 Persistence is the secret to long-term fitness.
A.Team sports such as basketball fit outgoing students.
B.Here are some practical fitness suggestions for you.
C.It is unwise to exercise for a long time after dinner.
D.You can change your sports style anytime.
E.Few people can keep exercising for more than one year, can they?
F.Sports can make us confident and energetic.
G.You will keep energetic with proper exercise.
【答案】1.B 2.A 3.can’t you 4.C 5.E
【详解】
1. 承上启下,上文提出缺少科学健身方法,下文分点给建议,选B。
2. 前后举例适配运动类型,对应长跑,此处填团队运动适配人群,选A。
3. 语法考点嵌入:主句肯定句情态动词won’t,反意疑问句can’t you。
4. 对应运动时间规划,饭后长时间运动不利于健康,选C。
5. 后文强调坚持的重要性;few否定含义,反意疑问句can they,贴合段落主旨。
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