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 eventually not be enough resources left to【B1】
If the population of the Earth goes on increasing at its present rate, there will eventually not be enough resources left to【B1】
admin
2016-03-29
42
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 trends continue, we will have【B2】_____all the oil that drives our cars, for example. Even if scientists develop new ways of 【B3】_____the human race, the crowded conditions on Earth will make it necessary for us to look for open space somewhere else. But none of the other planets in our【B4】_____ are capable of supporting life at present. One possible solution to the problem has recently been suggested by an American scientist, Prof. Carl Sagan.
Prof. Sagan believes that before the earth’s resources are completely【B5】_____, it will be possible to change the atmosphere of Venus and so create a new world almost as large as Earth itself.
Sagan proposes that algae(藻类), an【B6】_____that can live in extremely 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【B8】_____short time, the algae will【B9】_____the carbon dioxide into oxygen and carbon.
When the algae have done their work, the atmosphere will become cooler. The oxygen will produce rain and in a few years something like Earth will be【B10】_____on Venus.
【B6】
选项
答案
organism
解析
根据空格前的an可知,空格处应填入名词(词组)。结合录音可填入organism,意为“生物体”。
转载请注明原文地址:https://kaotiyun.com/show/3GL7777K
0
大学英语六级
相关试题推荐
VideogameshavebecomeincreasinglypopularinbotharcadesandtheaverageAmericanhome.Peopleofallagesandfromallwalk
A、He’sworriedaboutwhetherhecanfinishhispresentationtomorrow.B、He’snervousbuthebelieveshe’llbebettertomorrow.C
A、Wineistoostrongfortheguests.B、Allguestspreferbeer.C、Beerisrelativelycheap.D、Thestorehasn’tenoughwine.C关键是听
Withincreasingprosperity,WesternEuropeanyouthishavingaflingthatiscreatingdistinctiveconsumerandculturalpatterns
Dowhochoosetogoonexotic,far-flungholidaysdeservefreehealthadvicebeforetheytravel?Andeveniftheypay,whoensur
TheConservativegovernmentwillfacedifficultyprovingthatitsplantoautomaticallyenrolleligibleCanadiansintheOldAge
A、FromtramtotrolleybustoRoutemaster.B、FromtrolleybustoRoutemastertoredbus.C、FromtrolleybustoRoutemastertomodem
A、Theyarehavingafriendlychat.B、Oneisinterviewingtheother.C、Theyaretalkingabouteachother’sfamily.D、Oneisaskin
Thekeyelementtosuccessfulinterviewingisnotyourexperience,yourgrades,whatclassesyoutook,yourextracurricular(课外的)
随机试题
证券公司经营证券承销与保荐、证券自营、证券资产管理、其他证券业务等业务之一的,其净资本不得低于人民币()万元。
Aweddingiscelebratedwithsomekindofceremonyalmosteverywhereintheworld.Theceremonyisdifferentamongdifferentnat
下列抗癌药物中对骨髓造血功能无抑制作用的是
甲不履行仲裁裁决,乙向法院申请执行。甲拟提出不予执行的申请并提出下列证据证明仲裁裁决应不予执行。针对下列哪一选项,法院可裁定驳回甲的申请?(2011/3/49)
根据《注册造价工程师管理办法》(建设部令第150号)规定,造价工程师未办理变更注册而继续执业的,由县级以上地方人民政府建设主管部门或者其他有关部门责令限期改正;逾期不改的,可处以()的罚款。
燃气管道在安装过程中需要进行严密性试验,试验时所用的介质应是()。
消防技术服务机构受东北某造纸企业委托,对其成品仓库设置的干式自动喷水灭火系统进行检测。该仓库地上2层,耐火等级为二级,建筑高度15.8m,建筑面积7800m2,还设置了室内消火栓系统火灾自动报警系统等消防设施,厂区内环状消防供水管网(管径DN250mm)保
下列()不能被暂予监外执行。
管理控制必要性的原因有()。
在考生文件夹下打开Excel.xlsx文件:选取“招生人数情况表”的“专业名称”列和“增长比例"列的单元格内容,建立“簇状圆锥图”,图表标题为“招生人数情况图”,移动到工作表的A7:F18单元格区域内。
最新回复
(
0
)