仁爱版英语八年级上册知识点

知识是智慧的火花，能使奋斗者升起才华的烈焰;知识是春耕的犁铧，一旦手入生活的荒径，就能使田地地芳草萋萋，硕果累累。下面小编给大家分享一些仁爱版英语八年级上册知识点，希望能够帮助大家，欢迎阅读!isD本库

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仁爱版英语八年级上册知识1isD本库

We should learn teamwork.isD本库

【重点单词】isD本库

1. 词形转换isD本库

(1) adj. + ly → adv.isD本库

loud → loudly soft → softly quiet → quietlyisD本库

clear → clearly angry → angrily easy → easilyisD本库

(2)过去式isD本库

fall → fell break → broke lose →lost throw → threw feel → feltisD本库

(3)isD本库

ill (同义词)sick (名词)illnessisD本库

start(同义词)beginisD本库

far(反义词)nearisD本库

smoke(现在分词)smokingisD本库

careless(反义词)carefulisD本库

important(比较级) more importantisD本库

enjoy(现在分词)enjoyingisD本库

9.invent(名词)invention; inventorisD本库

indoor(反义词)outdoorisD本库

century(复数)centuriesisD本库

coach(复数)coachesisD本库

feel (名词)feelingisD本库

tiring(近义词)tiredisD本库

【重点短语】isD本库

1. have a soccer game 进行一场足球赛isD本库

2. fall ill 病倒了isD本库

3. be a little far from… 离……有点远isD本库

4. right away = at once 立刻;马上isD本库

5. miss a good chance 错过一个好机会isD本库

6. get/miss a goal 得到/失去一分isD本库

7. shame on sb. 为某人感到羞耻isD本库

8. do one’s best 尽某人的力isD本库

9. say sorry to sb. 对某人说抱歉isD本库

10. be sure to do sth. 确定做某事isD本库

11. be angry with… 生某人的气isD本库

12. with one’s help= with the help of sb. 在某人的帮助下isD本库

13. serve food 上菜isD本库

14. turn up/down… 调高/低(音量)isD本库

15. keep sb. doing sth. 让某人一直做某事isD本库

16. in a minute 一分钟后;马上isD本库

17. on the phone 在电话中isD本库

18. take a seat 就坐isD本库

19. never mind 不要紧isD本库

20. a lot of traveling 一系列旅行isD本库

21. love/enjoy doing sth. 喜爱做某事isD本库

22. have a very exciting life 过着非常兴奋的生活isD本库

23. as well 也isD本库

24. throw…into… 把……投进……isD本库

25. follow/obey the rules 遵守规则isD本库

26. over a century later 一个多世纪后isD本库

27. more and more people 越来越多的人isD本库

28. feel tired 感到疲劳isD本库

29. instead of… 替代……isD本库

30. ask sb. to do sth. 叫某人做某事isD本库

31. make a plan for sb. 为某人订一份计划isD本库

32. build up 增进;增强isD本库

33. have fun doing sth. 乐于做…..做某事isD本库

34. be important to 对于......来说是重要isD本库

35. in a minute/ at once/ right away 立刻/马上isD本库

【重点句型】isD本库

1. Could you please do me a favor? = Could you help me? = Could you give me a hand? 你能帮我吗?isD本库

2. Would you mind teaching me? = Would you please teach me? 你教我好吗?isD本库

3. Would you mind not smoking here? 你不要在这里抽烟好吗?isD本库

4. You are always so careless. 你总是这样粗心大意.isD本库

5. I’m very sorry for what I said. 我为所说感到到道歉。isD本库

6. We are sure to win next time 下次，我们一定回赢。isD本库

7. Let me buy you a new one. = Let me buy a new one for you. 让我为你买一个新的。isD本库

8. He invented an indoor game for his students so that they could play it even in bad weather. 他为他的学生们发明了一项室内运动以便他们甚至在恶劣的天气也能玩。isD本库

9. And you can throw it with one hand or both hands.你能用一只手或两只手投掷它。isD本库

10. I have great fun running and I feel well and look fit 我总是快乐地跑步和我感到很好，看上去很健康。isD本库

【考点详解】isD本库

1. ill 与 sick 都表示 “生病的”, ill只能作表语，而sick既可作表语也可作定语。isD本库

The man is ill/sick. 那个男人病了. (作表语)isD本库

He is a sick man. 他是个病人. (作定语)isD本库

2. Would you mind (not) doing sth? 表示“(不)做某事介意/好吗?”isD本库

Would you mind coming and checking it? 来修理它好吗?isD本库

Would you mind not smoking here? 不要在这儿吸烟好/介意吗?isD本库

3. one of + 名词复数，表示 “其中之一……”, 主语是one，表单数。isD本库

One of my teammates is strong and tall. 其中我的一个队友又高又壮。isD本库

4. miss 错过，思念，遗失isD本库

I missed the last bus yesterday. 昨天我错过最后一班车.isD本库

He missed his mother. 他想念他的母亲.isD本库

My God! I missed(=lost) my key. 天啊! 我把钥匙弄丢了.isD本库

5. be sure to do sth. = be sure that + 句子 “确定做某事”isD本库

We are sure to win next time. = We are sure that we will win next time.isD本库

我们确信下次一定会赢。isD本库

6. be sorry for… “为某事抱歉”isD本库

be sorry to do sth. = be sorry (that) + 句子 “很抱歉做了某事”isD本库

I am very sorry for what I said. 我为我所说的话感到抱歉。isD本库

I’m sorry I lost your book. = I’m sorry to lose your book. 很抱歉弄丢你的书。isD本库

7. tired adj. “(感到)疲惫的” , 主语是人。isD本库

如：I feel tired today. 今天我感到累了.isD本库

tiring adj. “令人疲劳的”, 主语是事物isD本库

如：This job is tiring. 这份工作令人疲惫.isD本库

类似的有: excited 感到兴奋的 exciting 令人兴奋的isD本库

interested 感到有趣的 interesting 有趣的isD本库

8. 15-year-old “15岁的”;15 years old “15岁”isD本库

如：He is a 15-year-old boy. = The boy is 15 years old.isD本库

9. instead “替代，相反”, 一般单独使用，放在句末，前面用逗号隔开。isD本库

instead of…“替代……;而不是……”isD本库

I won’t go to Shanghai. I’ll go to Beijing, instead. 我不会去上海而会去北京。= I’ll go to Beijing instead of Shanghai.isD本库

I drank a lot of milk instead of water. 我喝了许多牛奶而不是水。isD本库

10. have fun doing sth. = enjoy doing sth. 表示 “从做…….中获得乐趣”isD本库

如：I have great fun running. = I enjoy running.我总能在跑步中得到很大乐趣。isD本库

仁爱版英语八年级上册知识2isD本库

Topic1 I’m going to play basketball.isD本库

【重点单词】isD本库

1. healthy(同义词)fit(名词)healthisD本库

2. win(过去式)won(名词)winnerisD本库

3. ski(现在分词)skiingisD本库

4. famous(比较级)more famousisD本库

5. arrive(同义词)reachisD本库

6. leave(过去式))leftisD本库

7. popular(最高级)most popularisD本库

【重点短语】isD本库

1. during the summer holidays在暑假期间isD本库

2. between…and…在两者之间isD本库

3. cheer sb. on为某人加油isD本库

4. prefer doing sth.更喜欢做某事isD本库

5. quite a bit/a lot很多isD本库

6. plan to do sth.计划做某事isD本库

7. have a skating club举办滑雪俱乐部isD本库

8. go skating/skiing/bicycling/climbing/hiking去滑雪/滑冰/骑车/爬山/远足isD本库

9. arrive in/at到达isD本库

10. play against…与……对抗/较量isD本库

11. for long很久isD本库

12. leave for…动身去…isD本库

13. the day after tomorrow后天isD本库

14. China’s national team中国国家队isD本库

15. play baseball打棒球isD本库

16. at least至少isD本库

17. What a shame! 多羞愧!isD本库

18. be good at善于做某事isD本库

19. take part in参加isD本库

20. all over the world全世界isD本库

21. be good for对……有益isD本库

22. a good way一种好方法isD本库

23. keep fit/healthy保持健康isD本库

24. relax oneself放松某人自己isD本库

【重点句型】isD本库

1. What’s your favorite sport? = What sport do you like best? 你最喜爱的运动是什么?isD本库

2. Which sport do you prefer? = Which sport do you like better?你更喜欢什么运动?isD本库

I prefer skating. = I like skating better. 我更喜欢滑雪.isD本库

3. Do you skate much? = Do you often skate? 你常滑雪吗?isD本库

4. She spends at least half an hour in the gym every day. 每天她至少花半小时在体育馆.isD本库

5. She plays baseball pretty well and she is also good at jumping. 她棒球打得相当好而且擅长于跳.isD本库

6. What kind of sports do you like? = Which sport do you like? 你喜欢哪种运动?isD本库

7. Would you like to come and cheer us on? 你愿意来为我们加油吗?isD本库

8. What are you going to be when you grow up? 当你长大后做什么?isD本库

9. There is going to be a school sports meet next month.下月有一场运动会。isD本库

【考点详解】isD本库

1. see sb. do sth “看见某人做了某事” 强调动作的全过程;isD本库

see sb. doing sth. “看见某人正在做某事” 强调动作正在进行。isD本库

如：I saw her go across the street. 我看见她过了马路。isD本库

I saw her going across the street. 我看见她正在过马路。isD本库

2. join sb. 表示 “加入某人的行列”“和某人在一起”isD本库

join + 组织 表示 “加入某个组织”isD本库

take part in 表示 “参加某个活动”isD本库

如：Will you join us?isD本库

I will join the skiing club.isD本库

She is planning to take part in the high jump.isD本库

3. arrive in + 大地点isD本库

arrive at + 小地点isD本库

get to + 地点 = reach + 地点isD本库

如：My uncle arrived in Beijing yesterday.isD本库

I arrived at the Great Wall. = I got to the Great Wall. = I reached the Great Wall.isD本库

注意：reach here/there/home = get here/there/home = arrive here/there/homeisD本库

4. leave… 离开……isD本库

leave for… 动身去…/离开到…isD本库

如：They are leaving Beijing tomorrow. 明天他们要离开北京。isD本库

They are leaving for Japan the day after tomorrow. 后天他们要前往日本。isD本库

5. a few“几个，一些” 修饰可数名词isD本库

a little“一点点” 修饰不数名词isD本库

如：There are a few eggs in the basket.isD本库

There is a little water in the bottle.isD本库

6. how long 表示“多久(时间)”; 提问时间段.isD本库

how often 表示 “多常; 多久一次”; 提问时间的频率.isD本库

如: They will stay in Beijing for a week. → How long will they stay in Beijing?isD本库

He plays basketball twice a week. → How often does he play basketball?isD本库

7. be good at (doing) sth. = do well in (doing) sth. 擅长于(做)某事 如：She is good at (playing) baseball. = She does well in (playing) baseball.isD本库

8. make sth/sb + adj. 使某物(某人)在某种状态isD本库

keep …sth/sb + adj. 保持某物(某人)在某种状态isD本库

如：Playing soccer can make your body strong.isD本库

Swimming can help to keep your heart and lungs healthy.isD本库

【重点语法】isD本库

一般将来时isD本库

1. be going to 结构isD本库

① 表示主语计划、打算做某事。这种打算常经过预先考虑并含有自己做好某些准备的意思，因此通常认为用be going to表达的行动很可能会见诸实践。isD本库

I’m going to play basketball with my classmates this Sunday.isD本库

我打算本周日和同学们一起打篮球。isD本库

She is going to buy a sweater for her mother.isD本库

她打算为她妈妈买一件毛衣。isD本库

②表预测，指根据迹象推测，而且马上或很快就要发生。isD本库

Look at those clouds. It’s going to rain.isD本库

瞧那些乌云!快要下雨了!isD本库

2. will + 动词原形isD本库

表示单纯的将来事实，常与表将来的时间状语如:tomorrow, soon, later, next time(week/month/year…)等连用。will not = won’t; 缩略形式为’ll.isD本库

① 表示作出立即的决定。这种意图并未经过事先的考虑或计划，是临时的一种决定。isD本库

---Please put your things away, Tom. 汤姆，把你的东西收拾好。isD本库

---I’m sorry. I’ll do it right away. 对不起。我马上就去做。isD本库

② 表示预测。指说话人对于将来的看法、假设和推测。isD本库

I’m sure our team will win next time. 我确信下次我们队会赢。isD本库

Maybe she will go to the gym. 也许她会去体育馆。isD本库

③ 表示许诺。isD本库

I’ll do better next time. 下次我会做得更好的。isD本库

I’ll visit you tomorrow. 明天我会去看你的。isD本库

句式：肯定句：I/She/He/They will go to play baseball soon.isD本库

否定句：I/She/He/They won’t go to play baseball soon.isD本库

一般疑问句：Will you/she/he/they go to play baseball soon?isD本库

回答：Yes, I/she/he/they will. No, I/she /he/they won’t.isD本库

3. 动词plan, come, go, leave等瞬时动词用现在进行时表示将要发生的事。isD本库

I’m coming. 我就来。isD本库

He is leaving for Shanghai. 他将到上海去。isD本库

We are going to Beijing. 我们将去北京。isD本库

仁爱版英语八年级上册知识3isD本库

The school sports meet is coming.isD本库

【重点短语】isD本库

1. join the English club 加入英语俱乐部isD本库

2. host the 2008 Olympics 举办2008年奥运会isD本库

3. fill out 填出/填好isD本库

4. go on 发生，进行isD本库

5. all the interesting places 所有有趣的地方isD本库

6. quite a lot 相当多isD本库

7. make friends with… 与……交朋友isD本库

8. be afraid of 恐怕isD本库

9. be free 有空isD本库

10. see you then 再见isD本库

11. win the first gold medal 赢得第一枚金牌isD本库

12. get 28 gold medals 获得28枚金牌isD本库

13. the winner of the first gold medal 第一枚金牌的获胜者isD本库

14. every four years 每四年，每隔三年isD本库

15. the mascot for the Beijing Olympics 北京奥运会的吉祥物isD本库

16. behave well 举止得体isD本库

17. improve the environment 改善环境isD本库

18. plant trees and grass 种植花草树木isD本库

19. a symbol of… 一种……的象征isD本库

20. stand for 代表isD本库

21. the five parts of the world 世界的五大部分isD本库

22. do morning exercises 做早操isD本库

23. be fond of (doing) sth. 喜欢(做)某事isD本库

【重点句型】isD本库

1. Could you tell me your name? 你能告诉我你的名字吗?isD本库

= What’s your name?isD本库

2. What do you do? = What’s your job? = What are you? 你是干什么的?isD本库

3. Beijing will host the 2008 Olympics. 北京将主办2008年奥运会。isD本库

4. More and more foreign friends ride in my taxi (= take my taxi) now. 现在越来越多的外国朋友搭我的出租车.isD本库

5. Speaking English will help me a lot. 说英语将对我有很大帮助。isD本库

6. Please fill it out. 请把它填好.isD本库

7. What will the weather be like this weekend? = How will the weather be this weekend? 本周末的天气怎样?isD本库

8. There will be more roads in Beijing. 在北京将会有更多的马路.isD本库

9. When shall we meet? 我们什么时候见面?isD本库

10. Let’s make it half past six. 咱们把时间定在六点半吧。isD本库

【考点详解】isD本库

1. fill out + 名词 “填好……”isD本库

fill + 名词/代词+outisD本库

如：Please fill out this form. = Please fill this form out. 请填好这张表格。isD本库

Please fill it/them out. (当宾语是代词时, 只能放中间) 请把它(们)填好。isD本库

2. be afraid…“恐怕” 指有礼貌地、委婉地拒绝别人.isD本库

be afraid of…“害怕(做)……”isD本库

如：I’m afraid I won’t be free. 我恐怕没有空。isD本库

He is afraid of dogs. 他害怕狗。isD本库

They are afraid of losing the game. 他们害怕输了比赛.isD本库

3. may be“可能是……” may是情态动词isD本库

maybe“或许; 可能” maybe是副词isD本库

如：He may be a teacher. = Maybe he is a teacher. 他可能是一名老师。isD本库

He may know her name. = Maybe he knows her name. 他可能知道她的名字。isD本库

4. between 在两者之间isD本库

among 在三者或三者以上当中isD本库

如：The answer is between A and B. 答案在A和B 之间。isD本库

The winner is among of us. 获胜者在我们当中。isD本库

5. There be 句型的一般将来时isD本库

正：There will be a sports meeting in our school this weekend.isD本库

= There is going to be a sports meeting in our school this weekend.isD本库

误：There will have a sports meeting in our school this weekend.isD本库

= There is going to have a sports meeting in our school this weekend.isD本库

【交际用语】isD本库

提建议的句型：isD本库

Would you like to go hiking with us? 你想和我们一起去远足吗?isD本库

What/How about going hiking with us? 和我们一起去远足怎么样?isD本库

Why don’t you go hiking with us? 你为什么不和我们一起去远足呢?isD本库

Why not go hiking with us? 为什么不和我们一起去远足呢?isD本库

Let’s go hiking. 让我们一起去远足吧!isD本库

Would you mind going hiking with us? 你介意和我们一起去远足吗?isD本库

Would you please go hiking with us? 和我们一起去远足好吗?isD本库

仁爱版英语八年级上册知识4isD本库

You should see a dentist.isD本库

【重点短语】isD本库

1. have a cold/a toothache /a fever/a cough/a backache/a stomachache/a sore throat /the flu /sore eyesisD本库

感冒/牙疼/发烧/咳嗽/背疼胃疼/咽喉发炎/流感/眼疼isD本库

2. take a rest=have a rest 休息isD本库

3. not read for too long 不要看书太久isD本库

4. boiled water 开水isD本库

5. stay in bed 卧病在床，躺在床上isD本库

6. have a good sleep 好好睡一觉isD本库

7. feel terrible 感觉难受isD本库

8. day and night 日日夜夜isD本库

9. You'd better=You had better 你最好…isD本库

10. not so well 很不好isD本库

11. not too bad 没什么大碍isD本库

12. much better 好多了isD本库

13. go to see a doctor 去看病isD本库

14. take/have some medicine 吃药isD本库

15. take…to… 把…带到…isD本库

16. send-…to… 把…送到…isD本库

17. hot tea with honey 加蜂蜜的热茶isD本库

18. lie down 躺下isD本库

19. look after=take care of 照看，照顾isD本库

20. brush teeth 刷牙isD本库

21. have an accident 发生一次意外/事故isD本库

22. don't worry 别担心isD本库

23. worry about 担心isD本库

24. nothing serious 没什么严重，没什么大碍isD本库

25. check over 诊断，仔细检查isD本库

26. thank you for 因…而感谢你isD本库

27. buy…for… 为…买…isD本库

28. not…-until… 直到…才…isD本库

29. ice cream 冰淇淋isD本库

30. both…and… ...和…都是......isD本库

31. take some cold pills 吃感冒药isD本库

32. plenty of 许多，大量isD本库

【重点句型】isD本库

1. What's wrong with you/him/her?你/他/她怎么了?isD本库

=What's the matter with......?=What's the trouble with......?isD本库

2. You should see a dentist. 你应该去看牙医。isD本库

这是一种表达建议的句子。还可以用以下句式：isD本库

you'd better(not)...isD本库

how/what about...isD本库

why not/don't you...isD本库

3. I'm sorry to hear that. 听到这个消息我很难过。(这是表示同情别人的句子。)isD本库

4. You look pale. 你看起来很苍白。isD本库

(1)在英语中表示气色不好，苍白，用paleisD本库

(2)“look ”在这里译作“看起来”，作连系动词，后接形容词。isD本库

与look用法相同的连系动词还有 tast ，sound ，smell ，feel 。如：isD本库

The soup tastes very delicious. 这汤尝起来真香。isD本库

Your voice sound nice. 你的声音听起来很动人。isD本库

The flowers smell sweet. 这些花闻起来很香。isD本库

The silk feels smooth 丝绸摸起来很光滑。isD本库

5.---Shall I take you to the hospital? 我送你去医院吧?isD本库

---No,thank you. 不用，谢谢。isD本库

6. I'll take some medicine and see how it goes. 我打算先吃药看看情况再说。isD本库

“goes”在这里指事情的进展。“it ”用来代指病情。如：isD本库

How is everything going? 一切进展如何?isD本库

Everything is going well. 一切进展顺利。isD本库

7. You'd better drink hot tea with honey. 你最好喝加蜂蜜的热茶。isD本库

tea with honey 加了蜂蜜的茶，with表示一种伴随状态。类似的表达还有：isD本库

some coffee with sugar and milk 加了牛奶和糖的咖啡isD本库

some tea without sugar 不加糖的茶isD本库

8. Michael had an accident yesterday. 昨天迈克发生了事故。isD本库

had an accident 发生了事故isD本库

9. But my left leg still hurts when I move it. 可是当我挪动脚时，还是有点儿疼。isD本库

句中“hurt”译为“疼痛”，作不及物动词。后不可接宾语。isD本库

10. Your X-rays show it's nothing serious. 你的X光照片显示没什么严重的问题。isD本库

nothing serious 没什么严重的isD本库

nothing ，something ，anything等不定代词，被形容词修饰时，形容词位于其后。isD本库

11. Stay in bed and don't move your leg too much. 躺在床上，不要总是挪动你的腿。isD本库

12. Michael's friends bought some chocolate for him . 迈克的朋友给他买了一些巧克力。isD本库

buy sth for sb. 双宾语的运用。使用双宾语时，在人宾前需要使用介词，有时用“to”有时用“for ”，这与动词本身有关，表示动词的方向，多用“to”，表示动词的目的，多用“ for ”isD本库

give sth to sb. pass sth to sb.isD本库

bring sth to sb. take sth to sb.isD本库

cook sth for sb. buy sth for to sb .isD本库

13. ...but I couldn't read them until today. 但是直到今天我才读了它们。isD本库

not...until... 直到......才...... until 在肯定句动词一般用延续性动词，在否定句中动词一般为短暂性动词。如：isD本库

He will wait for his father until ten o'clock.他将等他父亲一直到10点钟。isD本库

He won't leave until his father comes. 他直到他父亲回来才离开。isD本库

【重点语法】isD本库

1. had better 的形式和用法isD本库

1) 固定短语had better具有情态意义，也可以看作情态动词。译为“最好”，它只有一种形式，没有人称和数的变化，后常跟动词原形，是给人提出建议的一种方式。如：isD本库

You had better go to see the doctor. 你最好去看医生。isD本库

You'd better eat a lot of fruit and drink plenty of water. 你最好多吃水果，多喝水。isD本库

2)Had better的否定结构为 had better not。如：isD本库

You'd better not eat hot food. 你最好别吃辛辣的食物。isD本库

You'd better not work today. 你今天最好别工作。isD本库

2. shall的用法isD本库

1) 作助动词时，英式英语中表示将来，可与第一人称连用，但在口语中所有人称都用will。如：isD本库

I shall/will be in New York this time next week .下周这个时候我就在纽约了。isD本库

注意：美语则不管什么人称，一律用will。isD本库

2)作情态动词时表征询意见，用于第一人称的疑问句中。如：isD本库

Shall I take you to the hospital? 要不要我带你去医院?isD本库

What shall we do this weekend? 这个周末我们要作什么呢?isD本库

仁爱版英语八年级上册知识5isD本库

I must ask him to give up smoking.isD本库

【重点短语】isD本库

1. stay up late 熬夜isD本库

2. be bad for 对......有害isD本库

3. be good for 对......有益isD本库

4. too much 太多，过分isD本库

5. do morning exercises 做早操isD本库

6. keep long fingernails 留长指甲isD本库

7. play sports right 进行适当的体育锻炼isD本库

8. go to school without breakfast 不吃早餐去上学isD本库

9. have a bath 洗澡isD本库

10. take a fresh breath 呼吸新鲜空气isD本库

11. read ...about... 读关于......isD本库

12. Ren'ai English Post 仁爱英语报isD本库

13. ask sb to do 叫某人做某事isD本库

14. give up 放弃isD本库

15. read in the sun 在太阳底下看书isD本库

16. throw litter about 乱扔垃圾isD本库

17. on the lawn 在草坪上isD本库

18. put...into... 把......放进......isD本库

19. exercise on an empty stomach 空腹锻炼isD本库

20. get into 进入isD本库

21. keep the air clean and fresh 保持空气清新isD本库

22. wash hands before meals 饭前洗手isD本库

23. potato chips 炸薯条isD本库

【重点句型】isD本库

1. Staying up late is bad for your health. 熬夜有害健康。isD本库

1) stay up late 熬夜isD本库

2) be bad for 对......有害。isD本库

类似的短语还有： be good for 对......有好处isD本库

3) staying up late is... 动名词作主语。当我们需要一个动词充当主语时，常用此动词的动名词(即doing)形式。如：isD本库

Playing basketball is good for your heath. 打篮球对你的身体有好处。isD本库

Reading in bed is bad for your eyes. 躺在床上看书对眼睛有害。isD本库

Swimming is my hobby. 游泳是我的爱好。isD本库

2. It will keep you active during the day. 它会使你在白天保持活力。isD本库

keep sth/sb .+adj. 保持某物/某人在某种状态。如：isD本库

keep your fingersails clean 保持你的指甲干净。isD本库

keep our streets clean 让街道保持干净。isD本库

3. Different foods help us in different ways. 不同的食物对我们有不同的作用.isD本库

in different ways译为“用不同的方式”。isD本库

4. If we eat too littele or too much food...如果我们吃太少或太多食物......isD本库

little 少得几乎没有，表否定，修饰不可数名词。isD本库

a little 有一些，表示肯定，修饰不可数名词。isD本库

与 little ，a little类似的用法的还有 few， a few 。isD本库

few少得几乎没有，表否定，修饰可数名词。isD本库

a few有一些，表示肯定，修饰可数名词。isD本库

5. Walking is good exercise and it is necessary for good health. 散步是很好的锻炼，它是身体健康必不可少的。isD本库

be necessary for 对......来说是必不可少的 如：isD本库

Sunshine is necessary for our life. 阳光对于我们的生活来说是必不可少的。isD本库

Food is necessary for life. 食物是生命所必需的。isD本库

【重点语法】isD本库

1. 情态动词must及其否定形式 must notisD本库

must 译为“必须做......”其否定意义“不必做......”，用don't have to/needn't/don't need to表示，而不用must not 。如：isD本库

——Must Ifinish it tonight?isD本库

——No, you don't have to.isD本库

must not 译作“禁止做......”。如：isD本库

You must not throw litter about.=Don't throw litter about.别到处乱扔垃圾。isD本库

2. 情态动词mayisD本库

①表示请求允许，译作“可以”。如：isD本库

May I come in? 我可以进来吗?isD本库

②表示推测，译作“可能”。如：isD本库

You may get a headache when you work too hard. 当你工作太累时你可能回感到头疼。isD本库

You may get a headache when you can't get enough sleep. 当你睡眠不足时，你可能会头疼。isD本库

isD本库

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