人教新目标(Go for it)版九年级全册Unit 13 We're trying to save the earth Section A课后作业2（含答案）

Unit 13 We're trying to save the earth!
Section A (3a-3b)
Ⅰ.根据句意及汉语提示完成句子
1 So far, no 　　　　(科学上的) studies have shown that shark fins are good for health.
2.It’s 　　　　(残忍的) to make fun of people who are born with physical disabilities(生理缺陷).
3.The coal 　　　　(行业) is running down as coal is gradually replaced by oil.
4.The behavior of sending threatening(威胁的)words online is against the 　　　　(法律).
5.The whole food 　　　　(链条) is influenced by the overuse of chemicals in farming.
Ⅱ. 用括号中所给单词的适当形式填空
6.Xi’an is the capital of Shaanxi Province, which is located(位于) in the 　　　　(south) part of the Guanzhong Plain.
7.More than six 　　　　(million) fish in the lake were dead because of water pollution.
8.House prices 　　　　(fall) by 2.5% in November compared with October.
9.We are quite happy because so far there 　　　　(be) no bad news.
10.The list of 　　　　(endanger) species includes nearly six hundred fishes.
Ⅲ.完成句子
11.不良的饮食习惯对儿童健康有害。
Bad eating habits are 　　　　　　　　to children’s health.
12.事实上,因为“一带一路”,许多国家都希望和中国建立贸易关系。
　　　　　　　　, many countries hope to build trade relations with China because of “the Belt and Road”.
13.到目前为止,我还没有收到韩梅梅的信。
　　　　　　　　, I haven’t heard from Han Meimei.
14. 这栋建筑物顶部有一面旗子。
There is a flag 　　　　　　　　the building.
15.布朗太太切下了一大块肉,并把它送给了那位贫穷的老妇人。
Mrs. Brown 　　　　　　　　a big piece of meat and gave it to the poor old lady.
Ⅳ. 完形填空
Natural resources are things that come from the earth. We use them every day. Our natural resources are limited. That 　16　 they will not last forever. Some are renewable, 　17　 when you plant a new tree and cut one down. 　18　 are not renewable, such as coal, gasoline and so on. Once it is used, it is gone.
People realize that the earth’s natural resources are limited, so they try to find out 　19　 they can do to help conserve(节约) those resources. If you try to conserve 　20　 natural resource, you can use less of it, so it does not get used up so fast. One way that people conserve fuel is by 　21　 a bicycle when the distance is short instead of driving everywhere.
Water is a very important natural resource because we all need it to stay 　22　. To conserve water, we can make sure that our pipes and taps do not leak. When we don’t use water, the tap should 　23　. We can also make 　24　 choices to conserve water, like only using the dishwasher or washing machine when they are full.
Everyone can make a big difference 　25　 protecting natural resources.
(　　)16.A.meaning B.meant C.means D.mean
(　　)17.A.unlike B.dislike C.like D.likely
(　　)18.A.Others B.The others C.The other D.Another
(　　)19.A.how B.which C.what D.when
(　　)20.A.a B.an C.the D./
(　　)21.A.ride B.riding C.to ride D.rode
(　　)22.A.life B.living C.lively D.alive
(　　)23.A.be turned off B.turns off C.turned off D.turn off
(　　)24.A.wisely B.wise C.wiser D.wisest
(　　)25.A.on B.in C.at D.for
答案
Ⅰ.1.scientific　2.cruel　3.industry 4.law　5.chain
Ⅱ.6.southern　7.million　8.fell 9.has been　10.endangered
Ⅲ.11.harmful 12.In fact　13.So far 14.at the top of　15.cut off
Ⅳ.16.C　17.C
18.A　19.C　20.A　21.B 22.D　23.A　24.B　25.B