首页
登录
职称英语
Since early times, people have been fascinated with the idea of life existin
Since early times, people have been fascinated with the idea of life existin
游客
2023-07-03
39
管理
问题
Since early times, people have been fascinated with the idea of life existing somewhere else besides earth. Until recently, scientists believed that life on other planets was just a【B1】______ dream. But now they are beginning to【B2】______places where life could form. In 1997, they saw evidence of planets near other stars like the sun. But scientists now think that life could be even nearer in our own【B3】______ system. One place scientists are studying very closely is Eu- ropa, a moon of Jupiter. Space probes have【B4】______ evidence that Europa has a large ocean under its surface. The probes have also made scientists think that under its surface Europa has a rocky core【B5】______ volcanic heat Water and heat from volcanic activity are two basic conditions needed for life to form. A third is certain basic chemicals such as carbon,【B6】______ and nitrogen. Scientists believe there might be such chemicals lying at the bottom of Eu- ropa’s ocean. They may have already created life, or may【B7】______. You may wonder if light is also needed for life to form. Until recently, scientists thought that light was【B8】______. But now, places have been found on earth that are in total blackness, such as caves several miles beneath the surface, and bacteria,【B9】______forms of life, have been seen there. So the lack of light in Europa’s subsurface ocean doesn’t automatically【B10】______ life forming. [br] 【B2】
选项
答案
locate
解析
转载请注明原文地址:https://tihaiku.com/zcyy/2804581.html
相关试题推荐
Mostpeoplewouldagreethat,althoughourageexceedsallpreviousagesin
Mostpeoplewouldagreethat,althoughourageexceedsallpreviousagesin
Mostpeoplewouldagreethat,althoughourageexceedsallpreviousagesin
Mostpeoplewouldagreethat,althoughourageexceedsallpreviousagesin
Halfacenturyago,mostpeoplelivedin【B1】______areas.However,according
Halfacenturyago,mostpeoplelivedin【B1】______areas.However,according
Halfacenturyago,mostpeoplelivedin【B1】______areas.However,according
Somepeoplesaythetraditionalcalendarof180daysnolongermeetsthenee
Somepeoplesaythetraditionalcalendarof180daysnolongermeetsthenee
Somepeoplesaythetraditionalcalendarof180daysnolongermeetsthenee
随机试题
Howmanypolicemenwerekilledinthebombing?[originaltext]Iraqisecurity
Inbringingupchildren,everyparentwatcheseagerlythechild’sacquisition
Ihaveadreamthatonedayournationwill_________________________(崛起并实现其信仰的
[originaltext]Toomanydegreesareawasteofmoney.Thereturnonhighere
重大活动消防安保工作原则有()。A.坚持预防为主的原则 B.坚持依法管理
某软件开发项目到2021年3月1日为止的成本绩效数据如下: 根据当前的项目
新生儿甲减筛查一般两项一起检测的是A:T3+T4B:T3+TSHC:T4+T
如果一个企业的产权比率低,说明该企业()。A.成长能力弱 B.获利能力低
A.神曲 B.麦芽 C.莱菔子 D.焦山楂 E.鸡内金治食积气滞,脘腹胀
下列属于被动靶向制剂的是A.脂质体 B.热敏脂质体 C.微球 D.长循环脂
最新回复
(
0
)