首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
If the population of the Earth goes on increasing at its present rate, there will【B1】______ not be enough resources left to【B2】_
If the population of the Earth goes on increasing at its present rate, there will【B1】______ not be enough resources left to【B2】_
admin
2013-10-28
35
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】______
【B5】
选项
答案
crowded
解析
此处需要一个形容词作定语,crowded“拥挤的”。
转载请注明原文地址:https://kaotiyun.com/show/Ou27777K
0
大学英语六级
相关试题推荐
A、History.B、Ecology.C、Psychology.D、Sociology.C
PromotelearningandskillsforyoungpeopleandadultsEducationisaboutgivingpeopletheopportunitytodeveloptheirpo
A、GoingtoItalyvs.helpinghermother.B、GoingtoNepalvs.stayinghome.C、Havingfunvs.makingmoney.D、Attendingherfamil
A、Collectashtreeseedsforexperiment.B、Preservethehealthyashtreeseeds.C、Setupanewseedbankforresearch.D、Develop
A、Blackdoctorsweren’tallowedtousemedicalequipment.B、Blackdoctorswerehatedbypatients.C、Blacksweren’tallowedtodo
Growingolderisinevitable.However,asyougetold,careinoldagebecomesmoreimportant.Manypeoplewronglybelievethatw
Growingolderisinevitable.However,asyougetold,careinoldagebecomesmoreimportant.Manypeoplewronglybelievethatw
Joyandsadnessareexperiencedbypeopleinallculturesaroundtheworld,buthowcanwetellwhenotherpeoplearehappyord
A、Heiswell-prepared.B、Hewillfinishhispapersoon.C、Hewillquittheexam.D、Heneverfeelspreparedenough.D对话中男士提到there
A、Drugabuse.B、Overstrain.C、Drugpoisonings.D、Motorvehicleaccident.C细节题。文章开头处提到,某些药物单独服用时可能是安全的,但如果与其他药物混合服用可能会致人死亡,接着以Ger
随机试题
TheWorkers’RoleinManagementTraditionally,ithasbeentheworkers’roletoworkandmanagement’sroletomanage.Managers
曲面2x3-yez-ln(z+1)=0在点(1,2,0)处的切平面方程为_______.
气候分区为1-3-2的地区,数字3代表()。
在项目决策期,形成()。
对于混凝土工程的分部(子分部)工程的质量合格的一项条件是()。
限制延长工作时间的措施包括()。
某健康调查机构在针对淘米习惯的调查中发现,大多数人有多次淘米的习惯。针对这一现象,该机构在其微博上称:做饭前我们习惯淘米,为的是洗掉灰尘或虫子,有时候甚至要反复淘很多遍直到水变清。殊不知这过程中伴随着很多营养素的流失,实在可惜。以下哪项为真,最能加强上述
A.圆孔B.卵圆孔C.棘孔D.眶上裂E.茎乳孔面神经出颅的位置是()。
下列描述中正确的是
Underafixedexchangeratesystemandfreelyflowingcapital,______.
最新回复
(
0
)