Scientists think that there has been lif

问题完形填空

Scientists think that there has been life for__31_ of years. However we haven’t found life on other planets _32_ . The earth is a planet and it _33__ around the sun. Seven other planets also go _34_ the sun. The sun and its planets are __35 the solar system. The solar system is a small part of our galaxy.
Scientists __36_ lots of spacecraft to look at other planets in the solar system, and some spacecraft have gone __37_ the solar system. However, no one __38_ any life in space yet.
But why has no one from other planets sent us a message ? Have they tried to send _39_ to us ? _40_so many stars in the universe, are we alone, or is there life out there in space ? We don’t know.

小题1:

A．thousands

B．millions

C．hundreds

D．billion

小题2:

A．already

B．never

C．yet

D．just

小题3:

A．go

B．turn

C．travel

D．goes

小题4:

A．to

B．back

C．around

D．into

小题5:

A．called

B．call

C．calling

D．calls

小题6:

A．send

B．sent

C．have sent

D．will send

小题7:

A．out

B．beyond

C．into

D．up

小题8:

A．discovered

B．discovers

C．has discovered

D．have discovered

小题9:

A．message

B．informations

C．information

D．news

小题10:

A．With

B．Have

C．Use

D．Because

答案

小题1:B

小题2:C

小题3:D

小题4:C

小题5:A

小题6:C

小题7:B

小题8:C

小题9:C

小题10:A

小题1:根据后文内容可知答案为Where’s your mother?，故选答案为B

小题2:yet 表示否定句中的也，故选答案为C

小题3:因为it 作为主语，谓语动词用动词，故选答案为D

小题4:根据前文的内容可知答案为go around，表示围着···转，故选答案为C

小题5:根据文章内容可知答案为被人叫做，故选答案为A

小题6:根据上下文的内容可知答案为C

小题7:根据上下文的内容，可知答案为B

小题8:no one作为主语时，相当于适当形式，故选答案为C

小题9:information为不可数名词，故选答案为C

小题10:with···表示在···情况下，故选答案为A