《英语周报》七年级上册12期答案,我们目前整理分享关于《英语周报》七年级上册12期答案及其参考答案,2如需答案 请关注微信公众号:趣找答案/直接访问www.qzda.com(趣找答案)
1、《英语周报》七年级上册12期答案
2、2022-2023英语周报第四期
3、杭州英语报纸九上答案2022-2023
18.If the earth's population is in growth at this rate,there will not be enough resources.By the middle of the 21st century,if present trends continue,we will have used up all the oil that drives our cars,for example.Even if scientists develop new ways of feeding the human race,the crowded conditions on the earth will make it necessary for us to look for open space somewhere else.But none of the other planets in our solar system are capable of supporting life at present.One possible solution to the problem,however,has recently been suggested by American scientist,Professor Carl Sagan.
Sagan believes that before the earth's resources are completely exhausted it will be possible to change the atmosphere of Venus and so create a new world almost as large as the earth itself.The difficult is that Venus is much hotter than the earth and there is only a tiny amount of water there.
Sagan proposes that algae organisms(海藻有机体) that can live in extremely hot or cold atmospheres and at the same time produce oxygen,should be bred in condition similar to those on Venus.As soon as this has been done,the algae will be placed in small rockets.Spaceship will then fly to Venus and fire the rockets into the atmosphere.In a fairly short time,the algae will break down the carbon dioxide into oxygen and carbon.
When the algae have done their work,the atmosphere will become cooler,but before man can set foot on Venus it will be necessary for the oxygen to produce rain.The surface of the planet will still be too hot for man to land on it but the rain will eventually fall and in a few years something like earth will be reproduced on Venus.
32.In the long run,the most difficult problem caused by population growth on the earth will probably be the lack ofD.
A.oil B.food C.resources D.space
33.Carl Sagan believes that Venus might be a living place becauseB
A.the days on Venus are long enough
B.it might be possible to change its atmosphere
C.there is a good supply of water on Venus
D.its atmosphere is the same as the earth's
34.Algae are plants that canD.
A.live in very hot temperature
B.live in very cold temperature
C.produce oxygen
D.all of the above
35.Man can land on Venus only whenA.
A.it rains there
B.there is oxygen
C.the atmosphere becomes cooler
D.the algae have done their work. 试题答案
分析 本文是一篇科教类阅读,主要讲了目前地球变得越来越拥挤人类如何寻找新的家园.
解答 32-35 DBDA
32题答案:D考查细节推理,根据第一段中"Even if scientists develop new ways of feeding the human race,the crowded conditions on the earth will make it necessary for us to look for open space somewhere else.But none of the other planets in our solar system are capable of supporting life at present."(即使科学家找到供给人类的新方法,地球上拥挤的状况会使我们有必要去寻找更多的生存空间,但是目前太阳系中还找不到合适的星球).可知,随着人口增多,人类不得不去寻找更多的生存空间,但是目前太阳系中还找不到合适的星球.因此可推出生存空间不够这是人口增多造成的最大问题,故选D.
33题答案:B考查细节推理,根据第二段中"Sagan believes that before the earth's resources are completely exhausted it will be possible to change the atmosphere of Venus and so create a new world almost as large as the earth itself."(Sagan认为在地球资源完全枯竭之前可以通过改变Venus的大气来变成一个几乎与地球同样大小的适合人类居住的地方).可知,Sagan认为可以通过改变Venus的大气来变成人类居住的地方.故选B.
34题答案:D考查细节推理,根据第三段中"Sagan proposes that algae organisms(海藻有机体) that can live in extremely hot or cold atmospheres and at the same time produce oxygen,should be bred in condition similar to those on Venus."(Sagan提出在极端炎热或寒冷的环境下生存同时产生氧气的海藻有机体应该同样可以在类似于Venus中的环境中繁殖).可知,答案为D.
35题答案:A考查细节推理,根据最后一段中"but before man can set foot on Venus it will be necessary for the oxygen to produce rain."只有当下雨时,人类才可以登陆Venus.故选A.
点评 本文是一篇科教类阅读,题目涉及多道细节理解题,做题时结合原文和题目有针对 性找出相关语句进行仔细分析,结合选项选出正确答案.推理判断也是要在抓住关键句子的基础上合理的分析才能得出正确的答案.
It may not be a great suggestion. But before ______ is put forward, we’ll make do with it.
A. a good one B. a better one
C. the best one D. a best one