Unit 2 Keeping Healthy Topic 1 You should brush your teeth twice a day. 八年级英语仁爱版上册课前导学（含解析）

（4）Unit 2 Keeping Healthy 1. You should brush your teeth twice a day.—八年级英语仁爱版上册课前导学
一、基础知识
(1) 重点词组
①_____________________________________________________
患感冒/咳嗽/发烧/胃疼/头痛/牙疼 /背痛
②___________________ 患流感；
③___________________ = have a rest 休息一下
④get well 康复
⑤at night 在夜里
⑥have a good sleep 好好睡一觉
⑦___________________ 开水
⑧stay in bed 卧床休息
⑨see a dentist/doctor 看牙医/医生
⑩___________________ 举重物
(2) 重点词组
①___________________ = have some medicine 服药
②day and night 日日夜夜
③___________________ 感觉很难受
④take……to 把......带到......
⑤eat hot food 吃辣的食物
⑥___________________ 刷牙
⑦had better (not) do sth 最好（不）做某事
(3) 重点用法
1.Maria flew her kite while Micheal played on his skateboard.
① while 用作名词时，意为“一段时间，一会儿”。
例如： I stayed there for a short while.
② while 用作连词意为“当……时候，和……同时”，引导时间状语从句。
例如：While I was watching TV, the bell rang.
③while 用作连词，连接两个并列句子，表示“对比”关系。
例如：He went out for a walk, while I stayed at home.
2. Kangkang helped Micheal to walk.
①help sb.to do sth.=help sb. do sth.帮助某人做某事
②help sb. with sth. 帮助某人做某事
练习：
1.—How long have you been like this
—_____
A.It's Sunday. B.This morning. C.At 8:00. D.Two days.
2.I don't want to read this book. There is _____ in it.
A.something interesting B.nothing interesting
C.interesting something D.interesting nothing
3.—Jack, Mike is ill.
—I'm sorry to hear that. I hope he will get _____ soon.
A.bad B.nice C.good D.well
4.I drew the pictures _____ Tom played his computer.
A.so B.while C.if D.whether
5.—How often should I take the medicine
—_____ a day.
A.Three time B.Third time C.Third times D.Three times
答案以及解析
一、基础知识
(1) 重点词组
①have a cold/cough/fever/stomachache/headache/toothache /backache
患感冒/咳嗽/发烧/胃疼/头痛/牙疼 /背痛
②have the flu 患流感；
③take a rest = have a rest 休息一下
④get well 康复
⑤at night 在夜里
⑥have a good sleep 好好睡一觉
⑦boiled water 开水
⑧stay in bed 卧床休息
⑨see a dentist/doctor 看牙医/医生
⑩lift heavy things举重物
(2) 重点词组
①take some medicine = have some medicine 服药
②day and night 日日夜夜
③feel terrible 感觉很难受
④take……to 把......带到......
⑤eat hot food 吃辣的食物
⑥brush one’s teeth 刷牙
⑦had better (not) do sth 最好（不）做某事
练习：
1.答案：D
解析：回答how long应为时间段。故选D。
2.答案：B
解析：根据第一句可知, 我不喜欢看这本书, 可棑除选项A和C, 形容词应在不定代词后面。故选B。
3.答案：D
解析：根据前一句可知, 迈克生病, 所以我希望他赶快好起来。表示身体好要用well。故选D。
4.答案：B
解析：while意为"当......时候"。故选B。
5.答案：D
解析："三次"的正确表达为three times。故选D。