冀教版九年级英语上册 Unit 3 Safety 复习课前预习单（无答案）

1、Unit 3 Safety+【复习目标】.熟记本单元的重点词汇，短语和句型.熟练掌握祈使句的用法+【学习过程】Step 1:单元词汇听写Step 2:单元语法集训祈使句表示命令、请求、建议或劝告等等。通常省略主语，谓语动词用原形，句末用 感叹号或句号，读降调。祈使句的结构肯定祈使句的类型LDo型（即：行为动 词+宾语+其他）Stand up, please.请起立。2.Be型（即：Be+表语+其 他）Be quiet, please.请安静。3 .Let型（即：Let+宾语+动 词原形+其他）Let me help you. 让我帮助你。一Its late, Teresa.earlier ne

2、xt time and youll have enough time to have breakfast.一OK, Mum. I remember.A. Get upB. Getting up C. To get up否认祈使句的类型。Don，t+动词原形eg ： Don*t open the window.不要开窗户。Dont be late.别迟到。Jim, read books while you are walkingin the street. It*s very dangerous.OK, thank you.A. dontB - doesntC. wontD. cantNever

3、+动词原形eg： Never give up!千万不要放弃！tell a lie.A. Hardly B. NotC. NoD. NeverNo+名词/动名词+其他，这种形式多用于公共场合的提示语，意为“禁止eg： No smoking!禁止吸烟!No photos!禁止拍照！Let引导的祈使句的否认形式是：Let+宾语+not+动词原形+其他成分：也可在 let前加Donk Lefs开头的祈使句，必须在Lets后加not。eg： Let him not play.=Dont let him play.别让他玩。祈使句的相关句型转换“Let，s+动词原形”结构，表示提建议，可与Shall we

4、+动词原形或Why not+动 词原形”相互转换。eg： Lets go fishing.=Shall we go fishing?=Why not go fishing?都表示提议“我们去钓鱼吧二祈使句+and/or+简单句”可以转换为含if引导的条件状语从句的复合句。eg： Hurry up, or you will be late.快点，否那么你会迟到。If you dont hurry up, you will be late.如果你不快点，你将会迟到。学以致用一、用所给词的适当形式填空Your mother is waiting for you.(not be) late.(look

5、) out! The car is coming!Dont(drop) litter everywhere.Always keep our school clean.(give) me ten minutes and see what it will be like.(not smoke)here, Rick.Smoking is not allowed in public places.Lets(not say) anything about it.二、单项选择Please your exam papers once again before handing them in.A. going

6、 over B. went over C. go over D. to go over一Jim,read books while you are walking in the street. Its very dangerous.一OK, thank you.A. dontB. doesnt C. wont D. cantplay with fire.with fire is dangerous.A. Dont； Playing B. Not； Playing C. Dont； Play D. Not to； To playalong the street, and you can find

7、the hotel on your right, next to the market.A. Walk B. To walk C. Walks D. Walking. worried about me, Mom. Tm 15 years old now.A. Dont B. Don*t be C. Not D. Not beStep 4:单元要点集训People always think about s 1. But many s 2 accidents hin peoples homes. People can prevent certain accidents. Many accident

8、s happen because people are c 4.So be c 5.Here are some safety tips for preventing accidents in the kitchen.Don*t stand on chairs. Many people hurt t 6 by falling off chairs.Don*t use water to put out kitchen fires. Use baking soda or s 7 i.Be careful with k 9and scissors. Many people cut themselves in the kitchen.B