文档介绍：2014年新版八年级英语下册知识点
Unit 1. what’s the matter?

1. foot---feet 脚 <复>   tooth---teeth 牙齿 <复>
2. have a cold 感冒
3. have a stomachache 胃疼
4. have a sore back背疼
5. have a sore throat喉咙疼
6. have a fever发烧
7. lie down and (have a)rest 躺下休息  have a rest 休息
8. hot tea with honey 加蜜的热茶
9. see a dentist 看牙医  see a doctor 看医生
lots of water多喝水 
of ,a lot of,  a lot
a lot of=lots of,可以修饰可数名词复数和不可数名词,一般用在肯定句中。:
There are lots of ( a lot of) books in our library.
There is a lot of water on the ground
a lot,是一个副词词组,跟动词连用;表示十分,很等意思;  Thanks a lot.
12. have a toothache牙疼
13. That’s a good idea好主意
14. go to bed 去睡觉 go to bed early 早上床睡觉
15. feel well感到好   feel ill 感到不舒服
I don’t feel well= I’m not feeling well
我感觉不舒服.
16. start doing/ to do sth开始做某事
TO DO 是一件事情完成了,开始做另外一件事情
DOING是原来的那件事情做到一半,现在又开始做了,是同一件事情。
17. two days ago两天前
18. get some rest 多休息, 休息一会儿
19. I think so我认为是这样
20. be thirsty口渴     
21. be hungry 饥饿
22. be stressed out紧张
23. listen to music听音乐
24. healthy lifestyle健康的生活方式
25. traditional Chinese doctors传统中医
26. need to do sth 需要做某事
I have a toothache. I need to see a dentist.  我牙痛, 我需要去看牙医.
We need to keep our classroom clean. 我们需要保持教室的干净.
27. a balance of yin and yang阴阳平衡
28. for example例如
29. too much yin太多的阴, 阴气太盛
too much + 不可数名词   太多的… 
much too +形/副   实在太… 极其,非常
too many + 可数名词复数 太多的…
good for sth./ doing sth. 对什么有益 ,对什么有好处
be bad for sth./ doing sth. 对什么有害
be good to 对…好
be good at =do well in 在……方面好,擅长
be good(bad) for、be good at的相关用法
good for 对......有益
Doing morning exercises is good for your health.
做早操对你们的建康有益。         
good at 擅长于......
Li Ping is good at basketball. 李平擅长于篮球。
= Li Ping is good at playing basketball. 李平擅长于打篮球。
be good at = do well in 如:
I'm good at math. = I do well in math. 我擅长于数学。
good to 对......好
Parents are always good to their 。
good grades 取得好成绩   
 用法 be angry with sb生某人的气
I was angry wi