七年级下册英语Unit4 Save the trees

2、A.school B. sky C. task D. score 3、A. oxygen B. major C. apologize D. gas 4、A. convenient B. imagine C. disease D. receive 5、A. against B. major C. container D. Save 二、判断句子的正误T\\F, 并在原句中改正错句。 1、Trees help me in many ways, such as keep the air clean and produce oxygen. （ ） 2、Trees also make out lives more conveniently. ( ) 3、A lot of furnitures is make of wood. ( ) 4、We can protect our earth by plant more trees. ( ) 5、Many people keep cutting down trees because of they want to make money from the wood. ( ) More practice 一、翻译下列词组。 1、成千上万 _________________ 2、通过做…… _______________________ 3、生物 __________________ 4、因为 _______________________ 5、结果是 _________________ 6、……的数量 _____________________ 7、尽力做某事 __________________ 二、语言知识运用。 1、____________ young people are waiting in the square to see their idol. A. 6 thousand B. 6 thousands C. 6 thousands of D. Thousand of 2、_________ a resule, you have to study harder from now on. A. To B. In C. As D. For 3、We should protect our enviroment _________ more trees. A. in planting B. with planting C. for planting D. by planting 4、You should cancel the visiting _________ the bad weather. A. because B. because of C. why D. by 5、_________ our fan clubs is becoming larger and larger. A. the number of B. a number of C. the number D. a number

单元评价 一、听力（略） 二、语言知识及运用。（共三节，满分3分） 第一节 语音（每小题1分，共10分） A、找出下列单词中划线部分的发音与其他不同的单词。 11、A. skate B. sky C. task D. skirt 12、A. airport B. tick C. test D. step 13、A. point B. spread C. press D. crisp 14、A. carry B. pine C. fly D. diet 15、A. against B. rain C. container D. remain B. 从下列选项中找出重音与其他不同的一项。 16、A. helpful B. rescue C. towel D. discuss 17、A. disease B. address C. perfect D.prefer 18、A. finish B. greeting C. major D. produce 19、A. oxygen B. example C. anywhere D. probably 20、A. appear B. programme C. patient D. bottom 第二节 单项选择（共10小题，每小题1分，满分10分） 21、Be silent! Someone _________! Can you hear it? A. sings B. sang C. is singing D. will sing 22、The sky tonight is really beautiful. You can see ________ stars smiling to you. A. 3 thousands B. 3 thousands of C. 3 thousand of D. thousands of 23、——I can’t decide which dress to buy. Can you help me? ——Of course! I _______ the blue one best! A. likes B. like C. am liking D. is liking 24、_________ the help of John, little Tom stops ________. So we can enjoy our books now. A. With; crying B. On; crying C. With; to cry D. On; to cry

25、When there is a fire, don’t forget to get a wet towel so that you won’t _________ too much CO2. A. get in B. make in C. put in D. take in 26、——You are really busy! ——Yes, I must finish the work next week. I ______ for London next week. A. leave B. am leaving C. left D. leaving 27、——What happened to your mother? ——Sorry, dad. I made her _________ just now. A. angry B. angrily C. happy D. happily 28、The dead teacher asked _______ boys to clean the meeting hall. A. a number B. the number of C. a number of D. the number of 29、Can you believe that he gets so much money ________ rubbish? A. with collecting B. by collecting C. of collecting D. by collect 30、——Will you go to watch the new movie this Sunday? ——I ________ go to watch it if it ________ stop raining. A. don’t; won’t B. don’t; don’t C. won’t; won’t D. won’t; doesn’t 第三节 语法选择(共10小题，每小题，满分10分) A Chinese man ____31_____ Cai Lun invented paper almost 2,000 years ago. He made paper ____32_____ wood. He then put all the paper together and made the paper ___33_____ a book. Now we still use wood to make paper. We use a lot of paper every day. If we keep on _____34____ so much paper, there will not be any trees left on the earth. If ____35____ no trees, there will be no paper. Every day, people ___36______ about 2,800 tons of paper. We use 17 trees to make one ton of paper. This means we are cutting nearly 48,000 trees every day. Since it ___37_____ more than 10 years for a tree to grow, we must start using ____38____ paper now. So how can we save paper? We can use both sides of ____39____ paper, especially when we are making notes. We can choose drinks in bottles instead of those in paper packets. We can also use cotton hankerchiefs(手帕) but not paper ones. When we go shopping, we can use fewer paper bags. If the shop assistant gives us a paper bag, we can save it and reuse it later.

Everyone can help to save paper. If we all think carefully, we can help ___40_____ trees. But we should do it now, before it is too late. 31. A. call B. calls C. called D.calling 32.A. from B. of C. into D.for 33.A. from B. of C. into D.for 34.A. waste B. to waste C. wasted D.wasting 35.A. there will be B.there are C. there was D. there wasn’t 36.A. take in B.put on C.throw away D.put away 37.A.spends B.takes C. costs D.pays 38.A. many B. few C. fewer D.less 39.A.a B. a piece C.one piece D.many 40.A. protect B.protects C. protecting D. to protecting 三、完形填空 You may think there is only ____41______ in the desert of the world. However, it is not true. In the desert, as we know, there is a little __42_______, but it is not good enough for most plants. Still we can see some plants live in the desert. There is _____43_____ in some places in the desert. We call these places oases(绿洲)。 In the oases, there are villages and towns. People grow all kinds of ___44______ in the fields there. People also live outside the oases. They have camels, sheep and other animals. ____45______ are these animals’ food and they do not need much water. The _____46_____ are useful to the desert people in many ways. They eat the meat and drink the milk of the animals. They use the ___47______ for carrying water, food, tents and something else. The people of the desert have to keep moving from place to place. They must always ___48______ grass or desert plants for their animals. When there is no more ____49_____ for their animals, they move to another place. The desert people are ____50______. No man in the desert would ever refuse to help the people introuble and give them food and water. 41、A.tree B.stone C.sand D.plant 42、A.rain B.wind C.sunshine D.snow