Unit 2 Saving the Earth Topic 3 九年级英语仁爱版上册课前导学（含答案）

（6）Unit 2 Saving the Earth 3. What can we do at home to protect the environment —九年级英语仁爱版上册课前导学 一、基础知识 1. 重点短语 1. _____ 应该做某事 should do sth. 应该做某事 be supposed to do sth. 应该做某事 2. would like to do sth. = want to do sth. =feel like doing sth. 想要做某事 3. _____ 关掉(机器);切断(水，煤气或电) 4. instead of + n./pron./v-ing代替，而不是 5. _____ 短/长距离旅行 6. _____ 采取行动做某事 7. Easier said than done.说起来容易，做起来难 8. Actions speak louder than words.事实胜于雄辩。 9. _____ 节约能源 10. clothing bags 布袋 11. plastic bags 塑料袋 12. cry for help _____ 13. _____ 毕竟，归根结底 2. 重点语法 并列句 1）并列句是由连词把两个或两个以上的简单句连成的一个新句子，即：简单句+并列连词+简单句。 2）常用并列连词和短语： 1、表示连接，常用的有and、not only…but also 、neither…nor等。 例：Right now it's the summer vacation and I'm helping my dad on the farm. 眼下正是暑假期间，我帮助爸爸在农场里干活。 Not only is he our teacher, but also he is our friend. 他不仅是我们的老师，而且是我们的朋友。 Neither did the naughty boy go home nor did his parents come to search for him. 这调皮的男孩既不回家，他的父母也不寻找他。 2、表示转折，常用的有but、yet、sill、however、while等。 例：We grow rice in the south of the States, but in the north where it is colder they grow wheat. 在美国的南方，我们种植稻谷，而在较冷的北方，人们种植小麦。 The worker hunted for jobs in New York for months, yet he couldn't find any work. 这个工人在纽约找工作己有几个月之久，但是仍然没有找到。 Certainly he apologized, however, I won't forgive him. 他的确道歉了，然而我不会原谅他。 Instead, he asked his father why he was not able to hatch chickens while hens could. 他反问他父亲，为什么他不能孵出小鸡，而母鸡却能。 3、表示选择，常用的有or、or else、otherwise、otherwise、either...or等。 例：They must be taken away from the heat of the fire, or they might get burnt. 他们必须从炉火边拿走，不然就有可能烤糊的。 Take this bus or else you won't get there in time. 搭这辆公共汽车吧，否则你将无法及时到达那里。 Work hard, otherwise you'll be sorry. 努力用功，否则你会后悔。 Either you are mad or I am. 不是你疯了，就是我疯了。 4、表示原因，只有for一个词。 例：They had often heard of elephants, but they had never seen one , for being blind, how could they 他们常常听说过大象，但从来没看到过，因为他们是瞎子，怎么能看到呢？ 5、表示结果，常用的有so、therefore。 例：It's time of year for the rice harvest, so every day I work from dawn until dark. 这是一年中收割稻谷的时期，因此，我每天都从早到晚的劳动。 He worked day and night, therefore, he was able to buy the sports car. 他日夜工作，所以有能力买那辆跑车。 二、练习 1.Remember to _____ the lights and gas before leaving your home. A. take off B. get off C. fall off D. shut off 2.—There goes the bell! —_____. Mr. Zhang will be angry if we are late for class. A. Don't worry B. Hurry up C. Take your time D. Take it easy 3.—If you are facing difficulties, you shouldn't _____ at any time. Don't be afraid to fail. —Yes. Failure ( ... ...