首页
登录
职称英语
If the population of the Earth gees on increasing at its present rate, there
If the population of the Earth gees on increasing at its present rate, there
游客
2023-08-19
44
管理
问题
If the population of the Earth gees 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] 【B6】
选项
答案
extremely
解析
此处句子结构完整,可知需填入的是虚词。extremely意为“极其地”。
转载请注明原文地址:http://tihaiku.com/zcyy/2940466.html
相关试题推荐
Thefirsttimeyourbosssuggeststhatyouformallypresentsomethingtoyou
Thefirsttimeyourbosssuggeststhatyouformallypresentsomethingtoyou
Thefirsttimeyourbosssuggeststhatyouformallypresentsomethingtoyou
Thefirsttimeyourbosssuggeststhatyouformallypresentsomethingtoyou
Thefirsttimeyourbosssuggeststhatyouformallypresentsomethingtoyou
HowMarketersTargetKidsA)Kidsrepresentanimportantdemo
HowMarketersTargetKidsA)Kidsrepresentanimportantdemo
HowMarketersTargetKidsA)Kidsrepresentanimportantdemo
HowMarketersTargetKidsA)Kidsrepresentanimportantdemo
HowMarketersTargetKidsA)Kidsrepresentanimportantdemo
随机试题
ArecenthistoryoftheChicagomeat-packingindustryanditsworkersexamin
ThisiscensusyearinAmerica,andalthoughwehesitatetopre-empttheres
若线性表(24,13,31,6,15,18,8)采用散列(Hash)
省级交通质量监督机构负责本行政区域内甲级、乙级、丙级机构的等级评定及换证复核工作
根据GSP的规定,怕压药品应A.定期循环抽查B.定期送样检查C.采取隔离措施D.
能反映T细胞免疫活性的实验项目为A.淋巴细胞转化试验B.T细胞计数C.Ig含量测
(2020年真题)合同生效的要件有()。A.当事人意思表示真实 B.合同
患者男,70岁。3周前左侧下颌前部肿痛,经消炎药治疗后现已缓解。查见残根,不松动
某公司是一家快速发展的中小板上市公司,该公司关注市场开发和产品开发,提出了通过内
下列税种中,属于直接税的是()。A.增值税 B.遗产税 C.社会保险税
最新回复
(
0
)