【新版】复习课件：七年级英语下册Unit 4 Don't eat in class

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英语·新课标（RJ）Unit 4　Don't eat in class.英语·新课标（RJ）Unit 4 ┃ 语法探究┃语法探究┃Ⅰ.祈使句 祈使句指的是表示命令、请求、建议或劝告的句子。其主语 you常省略，谓语动词用原形，句末用感叹号或句号，读降 调。 1.肯定的祈使句 (1)动词原形＋其他 如： Stand up, please. ＝ Please stand up. 请起立。 (2)Be ＋ 形容词 如：Be careful! 小心！/当心！ (3)Let's ＋ 动词原形 如： Let's go to school together. 咱们一起上学去吧。英语·新课标（RJ）Unit 4 ┃ 语法探究2.否定的祈使句 (1) Don't＋动词原形 如：Don't close the window.别关窗。 (2) Let's (Let sb) ＋ not ＋ 动词原形 如： Let them not play with fire. 别让他们玩火。 (3)有些可用no开头，用来表示禁止性的祈使句。如：No fishing! 禁止钓鱼！ Ⅱ.情态动词have to 和must 1.情态动词have to和must都表示“_______”。have to 表 示从_______条件上来看必须做某事；must表示说话人 _______ 必须要做某事。如：There is no bus, you have to walk home.(没有公交车是客观条件) 没有公交车了，你必须走回家。必须主观上客观Unit 4 ┃ 语法探究英语·新课标（RJ） I must study English well. (想学好英语是一种主观想法) 我必须要学好英语。2.have to有______、______和______的变化，而must只有一种 形式。如： It's raining. He has to stay at home. 下雨了。他必须待在家中。3.在否定结构中don’t have to表示“______”，而mustn’t表 示“______”。如： You don't have to wait for him. 你没必要等他。 You mustn't play with fire. It's dangerous. 你禁止玩火。那很危险。人称数时态没必要禁止Unit 4 ┃ 语法探究英语·新课标（RJ）【练习吧】( )1.—Can I go to the park, Mom? —Certainly.But you ___be back before six o'clock. A. can B. may C. might D. must( )2. You _____ stop when the traffic light turns red. A. can B. have to C. need D. had better( )3. ________ come late to school tomorrow! A. Do B. Does C. Be D. Don't( )4. 下面哪句话是祈使句？ A. Hi, there. B. Here you are. C. Be quick. D. She is Mary.DBDC英语·新课标（RJ）┃能力提升训练┃Unit 4 ┃ 能力提升训练Ⅰ. 完形填空 Traffic rules are also called Road Safety rules. They are made to keep order on the road.They also help to keep people __1__. The pedestrian(行人) has as many rules to __2__ as the driver of a car.You should walk at the sidewalk or at the side of the road.Always look carefully __3__ you walk across the street.If you like riding a bike, don't ride in the middle of the road or run through__4__ traffic lights.When you ride a bike with a friend, don't look around or talk.英语·新课标（RJ）Unit 4 ┃ 能力提升训练 If you drive, you should slow down __5__ the traffic lights.You must always __6__ a seat belt (安全带)．Without belts both the__7__ and the passengers(乘客) may be badly hurt in a sudden accident.Someone may be thrown out through the window. You may not need to drive a bus, __8__ take care(小心) if you have to travel in one.Get on or get off a bus only when it has come to a __9__.When it is full, don't try to get inside __10__ you may fall over.( )1.A.healthy　　　　B．safe(安全) C．happy D．careful B英语·新课标（RJ）Unit 4 ┃ 能力提升训练( )2.A.follow B．Make C．break D．pass ( )3.A.behind B．before C．after D．between ( )4.A.yellow B．Green C．blue D．red ( )5.A.in B．On C．at D．to ( )6.A.take B．Wear C．carry D．bring ( )7.A.driver B．Worker C．writer D．teacher ( )8.A.or B．But C．and D．so ( )9.A.sign B．stop C．corner D．crossing ( )10.A.and B．So C．or D．but ABDCBABBC英语·新课标（RJ）Unit 4 ┃ 能力提升训练Ⅱ.阅读理解 A Notice in the Lab(实验室)A．Come to the lab at 9：00 a．m. Don't arrive late for class.B．You can't fight in the lab.C．When you come into the lab, listen to your teacher carefully(仔细地). Do what he tells you to do.D．After the experiment(实验), you must put everything back, and wash your hands with soap.E. When you leave(离开), you must turn off(关) the lights(灯), close(关) the windows, and lock(锁) the door. The Lab， Mar. 26, 2014英语·新课标（RJ）Unit 4 ┃ 能力提升训练根据短文内容，判断正(T)误(F)。( )1.You must arrive late at the lab.( )2.You can fight in the lab.( )3.You must listen to your teacher carefully.( )4.You can't use the soap to wash your hands.( )5.You must turn off the lights when you leave.FFTFT英语·新课标（RJ）Unit 4 ┃易错点针对训练Ⅰ.用wear，put on 或 dress 填空 1. He __________ his coat and goes out. 2. She is__________ a red skirt today. 3. The little child can __________ himself now. Ⅱ.用too many, too much 或 much too 填空 1. There are __________ people and __________ traffic in the street. It's __________crowded. 2. Watching TV __________ is bad for our health. puts onwearingdresstoo manytoo muchmuch tootoo much┃易错点针对训练┃英语·新课标（RJ）Unit 4 ┃易错点针对训练Ⅲ.用 too, also 或 either 填空 1. He speaks English. He can __________ speak Chinese. 2. I like Mount Tai. He likes it, __________. 3. She isn't late. I am not late, __________. Ⅳ.用适当的介词填空 1. Our boss is very strict ______ the quality of our products. 2. The boss is strict ________the workers. They can't go out at work. inwitheitheralsotoo