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
2023-08-26
31
管理
问题
If the population of the Earth goes on increasing at its present rate, there will【B1】______ not be enough resources left to【B2】______ life on the planet. By the middle of the 21st century, if present【B3】______continue, we will have used up all the oil that drives our cars, for example. Even if scientists develop new ways of【B4】______the human race, the【B5】______ 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【B6】______, it will be possible to change the【B7】______ 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【B8】______amount of water there.
【B9】______. As soon as this has been done, the algae will be placed in small rockets.【B10】______. 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.【B11】______ [br] 【B4】
选项
答案
feeding
解析
此处用动名词作介词宾语,意为“喂养”。
转载请注明原文地址:https://tihaiku.com/zcyy/2959668.html
相关试题推荐
Well-to-doparentsareincreasinglyoptingtosendtheirchildrentosingle-
Well-to-doparentsareincreasinglyoptingtosendtheirchildrentosingle-
Well-to-doparentsareincreasinglyoptingtosendtheirchildrentosingle-
Well-to-doparentsareincreasinglyoptingtosendtheirchildrentosingle-
[originaltext]Untilthe20thcentury,mostpaintingswererepresentational.
Thecontinuouspresentationofscarystoriesaboutglobalwarminginthepop
Thecontinuouspresentationofscarystoriesaboutglobalwarminginthepop
Thecontinuouspresentationofscarystoriesaboutglobalwarminginthepop
Thecontinuouspresentationofscarystoriesaboutglobalwarminginthepop
Thecontinuouspresentationofscarystoriesaboutglobalwarminginthepop
随机试题
AsKarahappilyflippedthroughhercollegecatalogues,herparentslookedonin
A.实际制冷量大于额定制冷量 B.实际制冷量等于额定制冷量 C.实际制冷量小
The( )structuredescribesaprocesstha
又称为流化床技术干燥方法的是A.低温干燥B.减压干燥C.喷雾干燥D.冷冻干燥E.
共用题干 患儿,2岁。腹泻2天,3小时前突然剧烈腹痛、哭闹、呕吐、腹胀,20分
文中的括号处应填入的词语为:() A.政策 B.部署 C.精神 D.
暖色的东西看上去显得大,有视觉膨胀的作用。这是感觉的( )现象A.彩色对比
关于肱骨外科颈骨折,下列说法正确的有( )。A.多见于中老年人 B.可合并血
20世纪60年代,加州大学伯克利分校进行了一系列关于小鼠认知能力的实验。在实验中
依据课程任务,课程类型可分为:基础型课程、_型课程和研究型课程。
最新回复
(
0
)