八年级英语上册人教版第二单元知识点汇总

八年级英语上册人教版第二单元知识点汇总
一、Key sentences
1.What do you usually do on weekends?
I often ______ (exercise).
What ___ she _____ (do) on weekends?
She always _____ (help)with housework.
2. How often do you go shopping?
I go shopping twice a week.
How often ____ he _____(watch) TV?
He hardly ever _____ (watch) TV.
3. How many hours do you sleep every night?
4. Here are the results.
5. Old habits die hard.
6. How come? 为什么呢；怎么会呢
二、Key phrases
1. help (sb) with sth. 帮助（某人）做…
2. hardly ever 几乎不；几乎未曾
3. go to the movies 去看电影
4. once a week 每周一次
twice a month每月两次
three times a year 每年三次
5. how often 多久一次
how far 多远
how long 多久
how old 多大（年龄）
how many +可数复数多少
how much +不可数名词多少
6. use the Internet 上网
7. play on a swing 荡秋千
swing dance 摇摆舞
8. at least 至少at most 最多（用于数词前）
9. stay up （late）熬夜（到很晚）
10. play sports \do sports 做运动
11. be good for 对…有好处；有利于…
be good at 擅长
be good with 善于和…相处
12. junk food 垃圾食品
13. fifteen percent of students 百分之十五的学生
14. not …at all 一点也不；根本也不
15. go online 上网
16. the answer to the question 问题的答案
17. game shows 竞技游戏节目；娱乐节目
18. by using the Internet 通过上网（by +doing）
19. though exercise 通过锻炼（though +名词）
20 such as 例如；比如
21. It’s too late 为时已晚；来不及了
22. go to the dentist 去看牙医
23. ask sb about 问到某人关于…
24. more than two hours=over two hours 两个多小时
25. less than 少于；不到
26. learn more about 多了解；学到更多关于…
27. the best way to relax 放松的最佳方式
28. have piano lessons 上钢琴课
29. have to 不得不；必须don’t have to 不必
30. spend time with sb. 和某人一起消磨时光
三、Key points
1. 辨析: busy full
Today is full for me. = I am busy today.
另外，full 还有‘满的，饱的’的意思。

2. 频率副词
always >usually>often>sometimes>hardly (ever)>never
频率副词常与一般现在时连用，在句中放到be动词、情态动词、助动词后，行为动词前。

He is always late. He never gets to school on time.
3. exercise 的用法
1）锻炼；运动n& v 作名词时为不可数名词。

Jim’s brother takes\ does exercise(名词) every day. But Jim never exercises.(动词）
2) 操；练习n. 可数名词
It’s good for our health to do morning exercises every day.
4. Promote physical culture and build up the people’s health.
发展体育运动，增强人民体质。

Build up a good physique to defend the country. 锻炼身体，保卫祖国。

To win honors for the motherland. 为国争光。

Up to our best level in skill and style of play.
打出水平，打出风格。