首页
登录
职称英语
It is the firm belief of astronomers【C1】______there are living creatures on
It is the firm belief of astronomers【C1】______there are living creatures on
游客
2023-07-28
59
管理
问题
It is the firm belief of astronomers【C1】______there are living creatures on other planets. It is also their ear- nest wish that some day【C2】______may be made with such living creatures【C3】______sending messages in the form of radio signals. The【C4】______of communicating with people on other planets may one day come【C5】______since radio telescopes【C6】______.
Scientific project of various kinds are now being launched to【C7】______signals or to receive signals from distant planets. The question now【C8】______: What sort of message【C9】______so that it could be understood? To send a message in any language would be impractical【C10】______it would【C11】______not be intelligible.
It is the opinion of scientists that a signal in the【C12】______of a simple arithmetic sequence might be understood.
Scientists think that pictures might also be understood, so it【C13】______a good idea to send pictures of the people【C14】______our planet. Pictures of domestic animals together with【C15】______crops we【C16】______for our food might also be【C17】______. Pictures of houses and buildings might【C18】______further information about our life and society.
As time goes on, TV pictures might be sent, which would【C19】______acquaint the beings on other planets【C20】______life and the level of civilization on our planet. [br] 【C1】
选项
A、which
B、what
C、why
D、that
答案
D
解析
本题为语法类题目。通过句子结构的分析,我们可知其实there are living creatures on other planets 是真正的主语,it 是形式主语,用来指代这句较长的话,所以只有选that,来引导名词性从句,做真正主语,故选D。
转载请注明原文地址:https://tihaiku.com/zcyy/2877128.html
相关试题推荐
Thestandardoflivingofanycountrymeanstheaverageperson’sshareofth
Thestandardoflivingofanycountrymeanstheaverageperson’sshareofth
Thestandardoflivingofanycountrymeanstheaverageperson’sshareofth
Thestandardoflivingofanycountrymeanstheaverageperson’sshareofth
Thestandardoflivingofanycountrymeanstheaverageperson’sshareofth
Thestandardoflivingofanycountrymeanstheaverageperson’sshareofth
Thestandardoflivingofanycountrymeanstheaverageperson’sshareofth
Thestandardoflivingofanycountrymeanstheaverageperson’sshareofth
Thestandardoflivingofanycountrymeanstheaverageperson’sshareofth
Thestandardoflivingofanycountrymeanstheaverageperson’sshareofth
随机试题
______,knownas"theCityofAngels",isthesecondlargestcityintheUnited
Mr.Smithhascancelledhistripbecauseanurgentmatterhascomeupwhichrequ
Athleteswithadifferentkindandlevelofdisabilityarecompetingatthe
吴某系某纺织有限公司工人。2011年3月15日,吴某在下班途中与单某驾驶的机动车
DW的数据具有若干基本特征,下列不正确的是()A.面向主题的 B.集成的
证券公司营业部开展经纪业务时,下列属于业务人员禁止行为的是()。A.与客户权益
共用题干 患儿女,14岁。平时以罐头食品为主食,最近牙龈反复出血,皮下可见瘀斑
20×2年12月31日,某企业租入一台设备,租赁期为4年,合同约定该租赁物的产权
建筑施工单位,应当至少每()组织1次生产安全事故应急救援预案演练。A.一年
行颈、胸手术后,病人应采取的体位是() A.平卧位 B.侧卧位 C.高坡卧
最新回复
(
0
)