Unit 3 Ⅰ.词形转换 (A)根据构词法写出下列单词的反义词。 1．healthy _____ 2.careful _____ 3．possible _____ 4.true _____ 5．comfortable_____ 6.usual_____ 7．happy_____ 8.helpless_____ (B)写出下列单词的形容词形式。 9．friend _____ 10.worry _____ 11．waste_____ 12.harm _____ 13．use_____ 14.health _____ 15．environment _____ 16.pollute_____ (C)写出下列单词的名词形式。 17．collect_____ 18.visit_____ 19．teach_____ 20.sick_____ 21．happy_____ 22.safe_____ 23．honest_____ 24.lonely_____ Ⅱ.用方框中所给单词或短语的适当形式填空。每个单词或短语限用一次 bottle, day, any more, come back, join in，harm, shop, for example, try one's best, use 25．Repeat these three words _____： reduce, reuse and recycle. 26．Take your own cloth bag when you go _____． 27．I'll wait for you until you _____． 28．Smoking is _____ to people's health. 29．My father usually prefers _____ things because he thinks they are cheaper. 30．All of us _____ the celebration last week. 31．We should do something to protect our environment. _____， we should turn off the lights when we don't use them. 32．From now on, I'll _____ to be green. 33．You'd better not do such a silly thing _____． 34．What do you do with the _____ when they are empty? Ⅲ.用所给单词的适当形式填空 35．It's _____ (polite) to stare at someone or to talk loudly in public. 36．It was _____ (care) of Jim to leave the tap running all night. 37．He is a(n)_____(honest) boy so we seldom believe what he says. 38．The _____(win) of the photo competition was a 30?year?old man from Shanghai. 39．A good teacher is a good _____(listen). A good teacher is there to listen to every student and help them out. 40．My friends and I would like to help the _____ (home) people as volunteers after the terrible earthquake. 41．Emily's mother didn't allow her to watch her favourite programme and it made her _____(happy). 42．All the students are having a _____ (discuss) on how to have the graduation party. 43．Have you noticed the _____(sad) on her face? What has happened to her? 44．It's _____ (usual) for a four?year?old boy to write poems so well. Ⅳ.语法填空 阅读下面短文，按照句子的语法结构和上下文连贯的要求，在空白处填入适当的词或用括号中所给词的正确形式填空，每空不超过两个词。 We know that heavy traffic and industry are polluting our environment because the air we breathe and the water we drink are all affected. 45._____， household waste is also a big problem, and it is harming our environment much 46._____(much) than people think. In many cases, we cannot see the damage it is causing. We must start protecting our world before it's too late! Change your habits Don't 47._____(throw) away things that you don't need any more. You can donate(捐赠) them to people in need or exchange them for other things 48._____ friends and family. You could also consider 49._____(buy) clothes from second?hand stores, as this is 50._____ useful way of helping to recycle things that others no longer need. Moreover, 51._____ you go shopping for food, t ... ...
~~ 您好，已阅读到文档的结尾了 ~~
