Unit 2 Saving the earth. Topic 3【弯道超车】暑假新九年级英语 知识点讲解+例题精炼（含答案）（ 仁爱科普版）

中小学教育资源及组卷应用平台 Unit 2 Topic 3【弯道超车】暑假新九年级英语 知识点讲解 例题精炼（含答案）（ 仁爱科普版） 知识点讲解 I. 重点词组 1. not only…but also … 不仅……而且…… 2. be supposed to 应该 3. ought to 应该 4. turnoff 关掉 5. instead of 代替 6. on time 准时 7. make sure 确保 8. push forward 向前推 9. push down 向下 10.pull up 向上拉 II. 重点句型 1. For example, we should use both sides of paper and reuse plastic bags. 例如,我们应该用纸的两面,并且重新使用塑料袋。 2. Everyone is supposed to do that.每个人都有义务那样做. 3. First, you ought to turnoff the lights when you leave a room.首先, 你离开房 间时应该随手关灯。 4. Easier said than done. 说起来容易做起来难。 5. Well, actions speak louder than words.嗯, 百说不如一做。 6. There will be a lot of hard work to do tomorrow, so make sure you go to bed early tonight. 明天有许多繁重的活要干,今晚一定要早睡。 III. 语法 并列句：由两个或两个以上并列而又相互独立的简单句构成。 结构为：简单句+并列连词+简单句 常用的并列连词有：and, or, but, while, not only … but also e.g. 1. The river is dirty and the temperature of the earth is rising. 2. They work well, but they are slow and can’t run for long. 例题精炼 一、单项选择 1．This is my pen, _____ that is your pencil. A．in B．of C．and 2．Be careful, _____ you’ll make mistakes. A．and B．but C．or 3．_____ Tom _____ Peter are fond of watching TV. A．Not only; but also B．Both; and C．Either; or 4．I really enjoyed your speech, _____ there were some parts I didn’t quite understand. A．though B．for C．until 5．Cross the road carefully, _____ you’ll keep yourself safe. A．so B．or C．and 6．Mary, put on your coat, _____ you’ll catch a cold. A．and B．or C．so 7．A farmer in England used animal waste to _____ his machine. A．manage B．use C．run 8．I always enjoy visiting London. _____ I wouldn’t like to live there. A．Because B．So C．But 9．I thought the actor was famous, _____ none of my friends has ever heard of him. A．but B．or C．so 10．His mother is tall, _____ he is short. A．when B．or C．while 11．—What _____ I to say to him —Tell him to save electricity. A．ought B．will C．should 12．—It’s a long passage, but you can hardly find new words in it. —Good! _____ it will be too hard for us. A．So B．Or C．But 13．Jack’s bedroom is in a mess. He should _____ now. A．put it up B．tidy it up C．give it up D．cut it up 14．—When _____ he leave for China —He _____ next month. A．does, will leave B．does, leaves C．has, has left 二、短文填空 Long long ago, people lived in a clean world. There were no modern 15 (machine). The air was fresh. However, life today has 16 (bring) many new problems. One of the 17 (big) is the environmental pollution. Noise pollution makes us hear more loudly and get 18 [' ɡri] more easily. Light pollution is 19 (harm) to birds. Air pollution is the most serious 20 [ka nd] of pollution. It is bad for all living things. Now, in order to protect our world, we need to do some important things. For 21 , we should ... ...