首页
登录
职称英语
If the population of the Earth goes on increasing at its present rate, there
If the population of the Earth goes on increasing at its present rate, there
游客
2024-04-14
13
管理
问题
If the population of the Earth goes on increasing at its present rate, there will eventually not be enough resources left to【B1】______ life on the planet. By the middle of the 21st century, if present【B2】______ 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 【B3】______ conditions on Earth will make it necessary for us to look for open space somewhere else.
An American scientist, Professor Carl Sagan, believes that before the earth’s resources are completely【B4】______, it will be possible to change the atmosphere of Venus and so create a new world almost as large as Earth itself. The difficulty is that Venus is much hotter than the Earth and there is only a tiny amount of water there.
Sagan【B5】______ that algae(藻类), organism that can live in 【B6】______ hot or cold atmospheres and at the same time produce oxygen, should be【B7】______ in conditions similar to those on Venus. As soon as this has been done, the algae will be placed in small rockets. Spaceships will then fly to Venus and fire the rockets into the atmosphere. In a fairly short time, the algae will【B8】______ 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【B9】______ of the planet will still be too hot for men to【B10】______ it but the rain will eventually fall and in a few years something like Earth will be reproduced on Venus. [br] 【B3】
选项
答案
crowded
解析
此处需要一个形容词作定语修饰condi-tions。crowded意为“拥挤的”。
转载请注明原文地址:https://tihaiku.com/zcyy/3555103.html
相关试题推荐
Inrecentyears,wehaveallwatchedtheincreasingcommercializationofthe
Inrecentyears,wehaveallwatchedtheincreasingcommercializationofthe
Inrecentyears,wehaveallwatchedtheincreasingcommercializationofthe
Inrecentyears,wehaveallwatchedtheincreasingcommercializationofthe
Inrecentyears,wehaveallwatchedtheincreasingcommercializationofthe
Inrecentyears,wehaveallwatchedtheincreasingcommercializationofthe
[originaltext]Theadvantagesanddisadvantagesofalargepopulationhavel
U.S.collegestudentsareincreasinglyburdenedwithcreditcarddebt,accor
U.S.collegestudentsareincreasinglyburdenedwithcreditcarddebt,accor
U.S.collegestudentsareincreasinglyburdenedwithcreditcarddebt,accor
随机试题
SteveandYaserfirstmetintheirchemistryclassofanAmericanuniversity.
A.AB.BC.CD.D
下列选项中,说法正确的是()。 A.图中该省这几年生产总值的增速均
患者带下色白,清稀如涕,面色白,倦怠便溏,舌淡苔白,脉缓。治疗应首选的方剂是A.
在房地产抵押中,需要进行房地产估价的环节包括( )。A.初次抵押中的抵押价值评估
儿茶酚胺类药物如肾上腺素代谢活性降低发生的主要结合反应是A.葡萄糖醛酸化结合反应
下列各项中,属于针对识别出可能导致对持续经营能力产生重大疑虑的事项或情况,注册会
为倡导产业合理有序发展,推动区域产业优势组合,A市委托某咨询公司发展规划咨询服务
根据《水法》,禁止在( )内弃置、堆放阻碍行洪的物品和种植阻碍行洪的林木及高秆
根据《建设工程安全生产管理条例》规定,施工单位项目负责人的安全职责包括()。A.
最新回复
(
0
)