Unit 3 Healthy life重点单词 短语句型 语法专项梳理考点（专项训练）-2026-2027学年人教PEP版英语六年级上册

**基本信息** 聚焦健康生活主题，以“词汇-短语-句型-语法”为逻辑链，通过10大考点分层训练（基础/提升/拓展）系统提炼语法规则与应用技巧，强化语言能力与思维品质。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |重点单词/短语/句型|单词24个、短语15个、句型12句|核心词汇分类记忆（健康行为/频率词）|从词汇积累到句型构建，奠定语言基础| |10大考点专项训练|每考点含3层次题（基础/提升/拓展）|提炼should用法、频率副词排序、名词语法等规则|语法规则→分层应用→错误辨析，形成完整认知链|

最新人教PEP版 六年级上册 Unit 3 Healthy life 重点单词 · 短语 · 句型 · 语法 专项梳理 + 10大考点专项训练 一、重点单词（Words） healthy(健康的) health(健康) habit(习惯) exercise(锻炼) always(总是) usually(通常) often(经常) sometimes(有时) never(从不) vegetable(蔬菜) fruit(水果) drink(喝) milk(牛奶) water(水) sleep(睡觉) tired(疲倦的) early(早) late(晚) brush(刷) tooth(牙齿) wash(洗) body(身体) strong(强壮的) weak(虚弱的) 二、重点短语（Phrases） keep healthy(保持健康) do exercise(做运动) eat vegetables(吃蔬菜) drink milk(喝牛奶) go to bed early(早睡) get up early(早起) brush teeth(刷牙) wash hands(洗手) have a good habit(有好习惯) stay healthy(保持健康) be good for(对…有益) too much(太多) a lot of(许多) every day(每天) three times a week(一周三次) be bad for(对…有害) 三、重点句型（Key Sentences） 1. We should keep healthy. — 我们应该保持健康。 2. You should eat more vegetables. — 你应该多吃蔬菜。 3. I usually drink milk every day. — 我通常每天喝牛奶。 4. She always goes to bed early. — 她总是早睡。 5. He never eats too much candy. — 他从不吃太多糖果。 6. Does he exercise every day? — 他每天都锻炼吗？ 7. Yes, he does. / No, he doesn't. — 是的，他锻炼。/ 不，他不锻炼。 8. What should we do to keep healthy? — 我们应该怎么做才能保持健康？ 9. It's important to have good habits. — 有好习惯很重要。 10. Don't eat too much junk food. — 不要吃太多垃圾食品。 11. How can we stay healthy? — 我们怎样才能保持健康？ 12. I sometimes play football after school. — 我有时放学后踢足球。 四、重点语法（Grammar） 1. should/shouldn't 表示建议与劝告 2. 频率副词 always > usually > often > sometimes > never 的排序与位置 3. 可数名词与不可数名词（vegetable可数 / milk不可数） 4. too much + 不可数名词；too many + 可数名词复数 5. a lot of / lots of 修饰可数与不可数 6. 一般现在时三单 does/doesn't 疑问句与否定句 7. be good for / be bad for 固定搭配 8. 动词短语 keep healthy / do exercise / stay healthy 9. 祈使句 Don't + 动词原形 10. It's important to + 动词原形 10大重点易错考点 · 专项训练 考点一：should / shouldn't 表示建议与劝告 基础题（选择题） ◇（ ）1. Olivia ____ eat more vegetables to keep healthy. A. A. should B. B. shouldn't C. C. shoulds ◇（ ）2. You ____ drink too much cola. It's bad for your teeth. A. A. should B. B. shouldn't C. C. shoulds ◇（ ）3. Zhang Hao ____ get up early every day. A. A. should B. B. shouldn't C. C. shoulds 提升题（选择题） ▷（ ）1. Lily is ill. The doctor says she ____ go to school today. A. A. should B. B. shouldn't C. C. shoulds ▷（ ）2. — Should I drink more water? — Yes, you ____. A. A. should B. B. shouldn't C. C. shoulds ▷（ ）3. Chen Wei has a headache. He ____ play football now. A. A. should B. B. shouldn't C. C. shoulds 拓展题（选择题） ★（ ）1. Which sentence is WRONG? A. A. You should exercises more. B. B. You should exercise more. C. C. You shouldn't eat too much. ★（ ）2. In Kunming, people say we ____ breathe fresh air in the park. A. A. should B. B. shouldn't C. C. shoulds ★（ ）3. Choose the correct rule: After 'should', the verb must be in ____. A. A. the original form B. B. the -s form C. C. the -ing form 考点二：频率副词的排序与位置 基础题（选择题） ◇（ ）1. Put the adverbs in order from highest to lowest frequency: A. A. always > usually > often > sometimes > never B. B. never > sometimes > often > usually > always C. C. usually > always > often > sometimes > never ◇（ ）2. Bella ____ brushes her teeth before bed. (100% frequency) A. A. always B. B. sometimes C. C. never ◇（ ）3. Jam ____ eats hamburgers because they are junk food. A. A. always B. B. usually C. C. never 提升题（选择题） ▷（ ）1. Where do we put the adverb in 'She (often) plays football'? A. A. before the main verb B. B. after the main verb C. C. at the end of the sentence ▷（ ）2. Zhou Kai is ____ late for school. He is a good student. A. A. always B. B. never C. C. often ▷（ ）3. Which adverb means 'not at any time'? A. A. always B. B. sometimes C. C. never 拓展题（选择题） ★（ ）1. In Xiamen, the air is fresh, so people ____ open windows in the morning. A. A. always B. B. never C. C. hardly ever ★（ ）2. Identify the error: 'He always is happy.' Correct version: A. A. He is always happy. B. B. He always is happy. C. C. He is happy always. ★（ ）3. Rule: With the BE verb, the adverb of frequency is placed ____ the BE verb. A. A. before B. B. after C. C. at the end 考点三：可数与不可数名词的区分 基础题（选择题） ◇（ ）1. 'Vegetable' is a ____ noun. We can say 'two ____'. A. A. countable; vegetables B. B. uncountable; vegetable C. C. countable; vegetable ◇（ ）2. 'Milk' is an ____ noun. We cannot say 'two milks'. A. A. countable B. B. uncountable C. C. both A and B ◇（ ）3. Which word is uncountable? Choose the correct one. A. A. apple B. B. water C. C. banana 提升题（选择题） ▷（ ）1. Olivia drinks two glasses of ____ every morning. A. A. milks B. B. milk C. C. a milk ▷（ ）2. We need to eat five ____ a day to keep healthy. A. A. fruit B. B. fruits C. C. a fruit ▷（ ）3. Which phrase is correct? 'a lot of ____' + uncountable noun. A. A. water B. B. apples C. C. bananas 拓展题（选择题） ★（ ）1. In Jinan, people like to drink ____ in winter. It is uncountable. A. A. teas B. B. tea C. C. a tea ★（ ）2. Choose the ONLY correct sentence about nouns. A. A. I eat many vegetable every day. B. B. I eat many vegetables every day. C. C. I eat much vegetables every day. ★（ ）3. Rule: 'Much' is used with ____ nouns; 'many' is used with ____ nouns. A. A. countable; uncountable B. B. uncountable; countable C. C. both; both 考点四：too much + 不可数；too many + 可数复数 基础题（选择题） ◇（ ）1. You eat ____ candy. That's bad for your teeth. A. A. too many B. B. too much C. C. much too ◇（ ）2. There are ____ cars on the road in Wuhan. The air is not clean. A. A. too much B. B. too many C. C. much too ◇（ ）3. Don't drink ____ cola. It has too much sugar. A. A. too many B. B. too much C. C. many too 提升题（选择题） ▷（ ）1. Lily bought ____ apples — far more than she can eat. A. A. too much B. B. too many C. C. much too ▷（ ）2. Chen Wei spends ____ time playing games. He should study more. A. A. too many B. B. too much C. C. many too ▷（ ）3. Which is correct? 'Too much ____' vs 'Too many ____'. A. A. water; books B. B. waters; book C. C. water; book 拓展题（选择题） ★（ ）1. In Qingdao, some tourists eat ____ seafood and get sick. A. A. too many B. B. too much C. C. much too ★（ ）2. Transform: 'He eats too much sugar.' → Negative meaning: 'He eats ____ sugar.' A. A. too much B. B. not enough C. C. too many ★（ ）3. Rule: 'Too much' + ____ noun; 'Too many' + ____ noun. A. A. uncountable; countable plural B. B. countable; uncountable C. C. both; both plural 考点五：a lot of / lots of 修饰可数与不可数 基础题（选择题） ◇（ ）1. We should eat ____ vegetables every day. A. A. a lot B. B. a lot of C. C. many of ◇（ ）2. She drinks ____ water after running. A. A. a lot B. B. a lot of C. C. a lots of ◇（ ）3. There are ____ people in the park on Sunday. A. A. a lot B. B. a lot of C. C. a lots of 提升题（选择题） ▷（ ）1. Zhou Kai has ____ friends at school. He is very popular. A. A. a lot B. B. a lot of C. C. a lots of ▷（ ）2. Which sentence is WRONG? A. A. I have a lot of homework. B. B. I have a lot of books. C. C. I have a lots of time. ▷（ ）3. Bella spent ____ money on the new dress. A. A. a lot B. B. a lot of C. C. a lots of 拓展题（选择题） ★（ ）1. In Xiamen, there are ____ beautiful beaches. 'A lot of' can modify ____. A. A. only countable nouns B. B. only uncountable nouns C. C. both countable and uncountable nouns ★（ ）2. Choose the correct phrase: 'Lots ____ people' vs 'A lot ____ time'. A. A. of; of B. B. of; / C. C. /; of ★（ ）3. 'A lot of' and 'lots of' have the ____ meaning but slightly different ____. A. A. same; forms B. B. different; meanings C. C. same; tenses 考点六：一般现在时三单 does/doesn't 疑问句与否定句 基础题（选择题） ◇（ ）1. ____ he exercise every day? — Yes, he does. A. A. Do B. B. Does C. C. Is ◇（ ）2. Lily ____ like eating vegetables. She only eats meat. A. A. don't B. B. doesn't C. C. isn't ◇（ ）3. ____ Zhang Hao usually get up early? — No, he doesn't. A. A. Do B. B. Does C. C. Is 提升题（选择题） ▷（ ）1. — Does Bella often drink milk? — No, she ____. A. A. doesn't B. B. don't C. C. isn't ▷（ ）2. Which is correct? After 'doesn't', the verb must be ____. A. A. the -s form B. B. the original form C. C. the -ing form ▷（ ）3. Chen Wei ____ his teeth twice a day. (negative) A. A. doesn't brush B. B. doesn't brushes C. C. don't brush 拓展题（选择题） ★（ ）1. In Jinan, does the cold weather make people ____ early? A. A. goes to bed B. B. go to bed C. C. going to bed ★（ ）2. Error correction: 'She doesn't drinks water.' → Correct: A. A. She doesn't drink water. B. B. She doesn't drinks water. C. C. She don't drink water. ★（ ）3. Rule: In a question with 'Does', the subject-verb agreement is shown by ____. A. A. adding -s to the verb B. B. using 'Does' + verb in original form C. C. using 'Do' + verb in -s form 考点七：be good for / be bad for 固定搭配 基础题（选择题） ◇（ ）1. Eating vegetables is ____ your health. A. A. good for B. B. bad for C. C. good at ◇（ ）2. Watching TV too much is ____ your eyes. A. A. good for B. B. bad for C. C. good at ◇（ ）3. Drinking milk is ____ your bones. A. A. good for B. B. bad for C. C. good at 提升题（选择题） ▷（ ）1. Olivia thinks playing sports is ____ her body. A. A. bad for B. B. good for C. C. good at ▷（ ）2. Which is correct? 'Junk food is ____ your stomach.' A. A. good for B. B. bad for C. C. good at ▷（ ）3. Reading books is ____ your mind. It helps you learn. A. A. bad for B. B. good for C. C. good at 拓展题（选择题） ★（ ）1. In Wuhan, hot food is ____ people who have a stomach ache. A. A. good for B. B. bad for C. C. good at ★（ ）2. Choose the correct preposition: 'Swimming is good ____ your heart.' A. A. at B. B. for C. C. with ★（ ）3. Rule: 'Be good ____' + noun/pronoun means 'beneficial to'. The missing word is ____. A. A. at B. B. for C. C. with 考点八：动词短语 keep healthy / do exercise / stay healthy 基础题（选择题） ◇（ ）1. We should ____ every day to keep our bodies strong. A. A. do exercise B. B. does exercise C. C. doing exercise ◇（ ）2. The phrase 'keep healthy' means the same as '____'. A. A. stay healthy B. B. keep health C. C. stay health ◇（ ）3. She ____ by eating well and sleeping early. A. A. keeps healthy B. B. keep healthy C. C. keeps health 提升题（选择题） ▷（ ）1. Which is WRONG? 'They ____ to stay fit.' A. A. do exercise B. B. does exercise C. C. do exercises ▷（ ）2. Zhang Hao ____ by running every morning. A. A. keeps healthy B. B. keep healthy C. C. keeps health ▷（ ）3. 'Stay healthy' and 'keep healthy' both use the adjective '____' after the verb. A. A. health B. B. healthy C. C. healthily 拓展题（选择题） ★（ ）1. In Kunming, the clean air helps visitors ____ easily. A. A. stay healthy B. B. stays healthy C. C. stay health ★（ ）2. Transform: 'Exercise helps me keep healthy.' → 'I keep healthy ____ exercise.' A. A. by doing B. B. by do C. C. by to do ★（ ）3. Rule: After 'keep' and 'stay', we use an ____ (not a noun). A. A. adjective B. B. adverb C. C. verb 考点九：祈使句 Don't + 动词原形 基础题（选择题） ◇（ ）1. ____ eat too much candy. It's bad for your teeth. A. A. Don't B. B. Doesn't C. C. Not ◇（ ）2. ____ up late. You need enough sleep. A. A. Don't stay B. B. Doesn't stay C. C. Not stay ◇（ ）3. ____ drink too much cola. Choose water instead. A. A. Don't B. B. Doesn't C. C. Not 提升题（选择题） ▷（ ）1. Which is correct? '____ watch too much TV.' A. A. Don't B. B. Doesn't C. C. Not ▷（ ）2. Lily said to her brother: '____ eat my chocolate!' A. A. Don't B. B. Doesn't C. C. Not ▷（ ）3. Rule: In a negative imperative, 'Don't' is followed by a verb in ____. A. A. the -s form B. B. the original form C. C. the -ing form 拓展题（选择题） ★（ ）1. In Qingdao, tourists are told: '____ swim too far from the beach.' A. A. Don't B. B. Doesn't C. C. Not ★（ ）2. Choose the correct negative imperative: '____ be late for school again!' A. A. Don't B. B. Doesn't C. C. Not ★（ ）3. Identify the structure: Don't + ____ + ____ (object/complement). A. A. verb original form; optional B. B. verb -s form; required C. C. verb -ing; optional 考点十：It's important to + 动词原形 基础题（选择题） ◇（ ）1. ____ important to drink enough water every day. A. A. It's B. B. Its C. C. It is to ◇（ ）2. It's important ____ healthy food. A. A. eat B. B. to eat C. C. eating ◇（ ）3. It's important ____ teeth twice a day. A. A. brush B. B. to brush C. C. brushing 提升题（选择题） ▷（ ）1. Which is correct? 'It's important ____ exercise regularly.' A. A. do B. B. to do C. C. doing ▷（ ）2. Olivia thinks 'It's important ____ enough sleep.' A. A. get B. B. to get C. C. getting ▷（ ）3. Rule: After 'It's important', we use the ____ form of the verb. A. A. infinitive (to + verb) B. B. gerund (-ing) C. C. base form 拓展题（选择题） ★（ ）1. In Xiamen, doctors say 'It's important ____ fresh air every day.' A. A. breathe B. B. to breathe C. C. breathing ★（ ）2. Transform: 'We should wash hands before meals.' → 'It's important ____ hands before meals.' A. A. wash B. B. to wash C. C. washing ★（ ）3. The subject of the sentence '____ important to exercise' is the word '____'. A. A. It; It B. B. Exercise; Exercise C. C. You; You 参考答案与详细解析 考点1：should / shouldn't 表示建议与劝告 基础题 1. Olivia ____ eat more vegetables to keep healthy. 答案：A 解析：should + 动词原形，表示建议。多吃蔬菜是保持健康的好建议。 2. You ____ drink too much cola. It's bad for your teeth. 答案：B 解析：shouldn't + 动词原形，表示劝告不要做某事。喝太多可乐对牙齿有害。 3. Zhang Hao ____ get up early every day. 答案：A 解析：should + 动词原形。早起是好习惯，should后接动词原形get。 提升题 1. Lily is ill. The doctor says she ____ go to school today. 答案：B 解析：Lily生病了，医生建议她今天不应该上学。shouldn't + go动词原形。 2. — Should I drink more water? — Yes, you ____. 答案：A 解析：Should问句的肯定回答用 Yes, you should. 情态动词should后接动词原形。 3. Chen Wei has a headache. He ____ play football now. 答案：B 解析：Chen Wei头痛，现在不应该踢足球。shouldn't + play动词原形。 拓展题 1. Which sentence is WRONG? 答案：A 解析：should后必须接动词原形exercise，不能加-s。A选项exercises错误。 2. In Kunming, people say we ____ breathe fresh air in the park. 答案：A 解析：在昆明，人们说我们应该在公园里呼吸新鲜空气。should + breathe原形。 3. Choose the correct rule: After 'should', the verb must be in ____. 答案：A 解析：情态动词should后接动词原形（original form），这是语法规则。 考点2：频率副词的排序与位置 基础题 1. Put the adverbs in order from highest to lowest frequency: 答案：A 解析：频率副词排序：always(100%) > usually(80%) > often(60%) > sometimes(40%) > never(0%)。 2. Bella ____ brushes her teeth before bed. (100% frequency) 答案：A 解析：100%频率用always。Bella总是睡前刷牙。 3. Jam ____ eats hamburgers because they are junk food. 答案：C 解析：Jam从不吃汉堡，因为汉堡是垃圾食品。never = 0%。 提升题 1. Where do we put the adverb in 'She (often) plays football'? 答案：A 解析：频率副词放在实义动词之前。She often plays football. 2. Zhou Kai is ____ late for school. He is a good student. 答案：B 解析：Zhou Kai从不上学迟到，他是好学生。never表示0%频率。 3. Which adverb means 'not at any time'? 答案：C 解析：never的意思是"at no time"，即"从不"。 拓展题 1. In Xiamen, the air is fresh, so people ____ open windows in the morning. 答案：A 解析：在厦门，空气清新，人们总是早上开窗。always符合语境。 2. Identify the error: 'He always is happy.' Correct version: 答案：A 解析：BE动词后接频率副词。正确语序：He is always happy. 不是always is。 3. Rule: With the BE verb, the adverb of frequency is placed ____ the BE verb. 答案：B 解析：BE动词的频率副词放在BE之后：is always / are usually / was often。 考点3：可数与不可数名词的区分 基础题 1. 'Vegetable' is a ____ noun. We can say 'two ____'. 答案：A 解析：vegetable是可数名词，复数加-s。two vegetables正确。 2. 'Milk' is an ____ noun. We cannot say 'two milks'. 答案：B 解析：milk是不可数名词，不能加-s，也不能说two milks。 3. Which word is uncountable? Choose the correct one. 答案：B 解析：water(水)是不可数名词，apple和banana是可数名词。 提升题 1. Olivia drinks two glasses of ____ every morning. 答案：B 解析：milk不可数，两杯牛奶说two glasses of milk，milk不加s。 2. We need to eat five ____ a day to keep healthy. 答案：B 解析：fruit当"水果"统称时不可数，但指"不同种类水果"时可数。每天吃五种水果用fruits。 3. Which phrase is correct? 'a lot of ____' + uncountable noun. 答案：A 解析：a lot of + 不可数名词water。books和bananas都是可数名词。 拓展题 1. In Jinan, people like to drink ____ in winter. It is uncountable. 答案：B 解析：tea(茶)是不可数名词，不能说two teas或a tea。 2. Choose the ONLY correct sentence about nouns. 答案：B 解析：many修饰可数名词复数vegetables。much修饰不可数名词vegetables错误。 3. Rule: 'Much' is used with ____ nouns; 'many' is used with ____ nouns. 答案：B 解析：much + 不可数名词；many + 可数名词复数。这是基本规则。 考点4：too much + 不可数；too many + 可数复数 基础题 1. You eat ____ candy. That's bad for your teeth. 答案：B 解析：candy(糖果)是不可数名词，用too much修饰。 2. There are ____ cars on the road in Wuhan. The air is not clean. 答案：B 解析：cars(汽车)是可数名词复数，用too many修饰。 3. Don't drink ____ cola. It has too much sugar. 答案：B 解析：cola(可乐)是不可数名词，用too much修饰。 提升题 1. Lily bought ____ apples — far more than she can eat. 答案：B 解析：apples(苹果)是可数名词复数，用too many修饰。 2. Chen Wei spends ____ time playing games. He should study more. 答案：B 解析：time(时间)是不可数名词，用too much修饰。 3. Which is correct? 'Too much ____' vs 'Too many ____'. 答案：A 解析：too much + 不可数名词water；too many + 可数名词复数books。 拓展题 1. In Qingdao, some tourists eat ____ seafood and get sick. 答案：B 解析：seafood(海鲜)作为食物统称是不可数名词，用too much修饰。 2. Transform: 'He eats too much sugar.' → Negative meaning: 'He eats ____ sugar.' 答案：B 解析：否定含义：不吃太多糖 = 吃的糖不够(not enough)。 3. Rule: 'Too much' + ____ noun; 'Too many' + ____ noun. 答案：A 解析：too much + 不可数名词；too many + 可数名词复数。 考点5：a lot of / lots of 修饰可数与不可数 基础题 1. We should eat ____ vegetables every day. 答案：B 解析：a lot of + 可数名词复数vegetables。不能说a lot或a lots of。 2. She drinks ____ water after running. 答案：B 解析：a lot of + 不可数名词water。a lot缺少of不完整。 3. There are ____ people in the park on Sunday. 答案：B 解析：a lot of + 可数名词复数people。a lots of语法错误。 提升题 1. Zhou Kai has ____ friends at school. He is very popular. 答案：B 解析：a lot of + 可数名词复数friends。a lots of错误。 2. Which sentence is WRONG? 答案：C 解析：C选项a lots of语法错误。A和B都正确，但C是唯一错误的。 3. Bella spent ____ money on the new dress. 答案：B 解析：a lot of + 不可数名词money。a lots of错误。 拓展题 1. In Xiamen, there are ____ beautiful beaches. 'A lot of' can modify ____. 答案：C 解析：a lot of可以修饰可数和不可数名词，这是它的优势。 2. Choose the correct phrase: 'Lots ____ people' vs 'A lot ____ time'. 答案：A 解析：lots of + 名词；a lot of + 名词。两者都需要of。 3. 'A lot of' and 'lots of' have the ____ meaning but slightly different ____. 答案：A 解析：a lot of和lots of意思相同，只是形式略有不同。 考点6：一般现在时三单 does/doesn't 疑问句与否定句 基础题 1. ____ he exercise every day? — Yes, he does. 答案：B 解析：主语he是三单，疑问句用Does开头。Do用于非三单。 2. Lily ____ like eating vegetables. She only eats meat. 答案：B 解析：主语Lily是三单，否定用doesn't + like原形。 3. ____ Zhang Hao usually get up early? — No, he doesn't. 答案：B 解析：主语Zhang Hao是三单，疑问句用Does开头。 提升题 1. — Does Bella often drink milk? — No, she ____. 答案：A 解析：主语she是三单，否定回答用she doesn't。 2. Which is correct? After 'doesn't', the verb must be ____. 答案：B 解析：doesn't后必须接动词原形，不能加-s。 3. Chen Wei ____ his teeth twice a day. (negative) 答案：A 解析：Chen Wei三单，否定用doesn't + brush原形。 拓展题 1. In Jinan, does the cold weather make people ____ early? 答案：B 解析：Does引导的疑问句，动词用原形go，不用goes。 2. Error correction: 'She doesn't drinks water.' → Correct: 答案：A 解析：doesn't后接动词原形drink，不能加-s。 3. Rule: In a question with 'Does', the subject-verb agreement is shown by ____. 答案：B 解析：Does + 主语 + 动词原形，三单体现在Does上，动词用原形。 考点7：be good for / be bad for 固定搭配 基础题 1. Eating vegetables is ____ your health. 答案：A 解析：吃蔬菜对健康有益。be good for = 对…有益。 2. Watching TV too much is ____ your eyes. 答案：B 解析：看太多电视对眼睛有害。be bad for = 对…有害。 3. Drinking milk is ____ your bones. 答案：A 解析：喝牛奶对骨骼有益。be good for + 名词。 提升题 1. Olivia thinks playing sports is ____ her body. 答案：B 解析：做运动对身体有益。be good for + 名词。 2. Which is correct? 'Junk food is ____ your stomach.' 答案：B 解析：垃圾食品对胃有害。be bad for + 名词。 3. Reading books is ____ your mind. It helps you learn. 答案：B 解析：读书对大脑有益。be good for + 名词。 拓展题 1. In Wuhan, hot food is ____ people who have a stomach ache. 答案：B 解析：辛辣食物对胃痛的人有害。be bad for + 名词。 2. Choose the correct preposition: 'Swimming is good ____ your heart.' 答案：B 解析：be good for + 名词/代词，固定搭配介词用for。 3. Rule: 'Be good ____' + noun/pronoun means 'beneficial to'. The missing word is ____. 答案：B 解析：be good for中for是正确介词，表示"对…有益"。 考点8：动词短语 keep healthy / do exercise / stay healthy 基础题 1. We should ____ every day to keep our bodies strong. 答案：A 解析：should后接动词原形do exercise。does和doing都错误。 2. The phrase 'keep healthy' means the same as '____'. 答案：A 解析：keep healthy = stay healthy，两者都表示"保持健康"。 3. She ____ by eating well and sleeping early. 答案：A 解析：主语she三单，keep加s变为keeps，后接形容词healthy。 提升题 1. Which is WRONG? 'They ____ to stay fit.' 答案：B 解析：主语they非三单，用do exercise。does exercise错误。 2. Zhang Hao ____ by running every morning. 答案：A 解析：Zhang Hao三单，keep加s变为keeps healthy。 3. 'Stay healthy' and 'keep healthy' both use the adjective '____' after the verb. 答案：B 解析：keep和stay后都接形容词healthy，不接名词health。 拓展题 1. In Kunming, the clean air helps visitors ____ easily. 答案：A 解析：help sb do sth结构，用动词原形stay healthy。 2. Transform: 'Exercise helps me keep healthy.' → 'I keep healthy ____ exercise.' 答案：A 解析：by + doing表示方式。by doing exercise正确。 3. Rule: After 'keep' and 'stay', we use an ____ (not a noun). 答案：A 解析：keep/stay + 形容词（非名词）。keep healthy不是keep health。 考点9：祈使句 Don't + 动词原形 基础题 1. ____ eat too much candy. It's bad for your teeth. 答案：A 解析：否定祈使句：Don't + 动词原形eat。Doesn't和Not都错误。 2. ____ up late. You need enough sleep. 答案：A 解析：Don't + stay原形。祈使句对象是你(你别熬夜)。 3. ____ drink too much cola. Choose water instead. 答案：A 解析：Don't + drink原形。选择水代替可乐。 提升题 1. Which is correct? '____ watch too much TV.' 答案：A 解析：Don't + watch原形。否定祈使句结构固定。 2. Lily said to her brother: '____ eat my chocolate!' 答案：A 解析：Lily对弟弟说：Don't eat my chocolate! 祈使句用Don't。 3. Rule: In a negative imperative, 'Don't' is followed by a verb in ____. 答案：B 解析：Don't后接动词原形，这是否定祈使句的语法规则。 拓展题 1. In Qingdao, tourists are told: '____ swim too far from the beach.' 答案：A 解析：在青岛，游客被告知：Don't swim太远离海滩。 2. Choose the correct negative imperative: '____ be late for school again!' 答案：A 解析：Don't + be原形。否定祈使句：Don't be late! 3. Identify the structure: Don't + ____ + ____ (object/complement). 答案：A 解析：Don't + 动词原形 + 宾语(可选)。结构固定。 考点10：It's important to + 动词原形 基础题 1. ____ important to drink enough water every day. 答案：A 解析：It's = It is，是固定缩写。Its表示"它的"，错误。 2. It's important ____ healthy food. 答案：B 解析：It's important to + 动词原形eat。不定式结构。 3. It's important ____ teeth twice a day. 答案：B 解析：It's important to + 动词原形brush。不定式结构。 提升题 1. Which is correct? 'It's important ____ exercise regularly.' 答案：B 解析：It's important to + do原形。不定式做真正主语。 2. Olivia thinks 'It's important ____ enough sleep.' 答案：B 解析：Olivia认为：It's important to get足够睡眠。 3. Rule: After 'It's important', we use the ____ form of the verb. 答案：A 解析：It's important后接不定式to + 动词原形。 拓展题 1. In Xiamen, doctors say 'It's important ____ fresh air every day.' 答案：B 解析：在厦门，医生说：It's important to breathe新鲜空气。 2. Transform: 'We should wash hands before meals.' → 'It's important ____ hands before meals.' 答案：B 解析：It's important to + 动词原形wash。转换后保持不定式。 3. The subject of the sentence '____ important to exercise' is the word '____'. 答案：A 解析：句子真正主语是后面的不定式，It只是形式主语。 学科网（北京）股份有限公司 $