2022年自考《综合英语（一）》练习试题3.8

26.People who ask the question“Why don’t they get in touch with us...and declare themselves?”may have thought that ______.

A.there are no such things as UFOs

B.UFOs are visitors from solar system

C.there’s no reason for UFOs sooner or later

D.we are bound to see UFOs sooner or later

27.According to Dr.Mead,the attitude of beings from outer space toward us is one of ______.

A.unfriendliness B.suspicion

C.superiority D.hostility

28.In line 21,the word“keepers”refers to ______.

A.persons who look after animals in a gigantic zoo

B.astronauts travelling in the manned space ship

C.persons who are observing us

D.intelligent beings observing us from outer space

29.The writer thinks that ______.

A.in the heavens there may be other worlds inhabited by intelligent beings

B.human beings are as supreme as the intelligent beings in outer space

C.maybe human beings are not so supreme as the beings from other civilizations in the universe

D.the beings from other civilizations in the universe will come to meet us and say hello one day

30.The tone of the writer is that of ______.

A.doubt B.warning

C.indifference D.criticism