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单选题 Science assures that highly evolved beings _____ exist on the stars and planets around us, if life is common in the universe
学科：默认课程
时间：2026-04-27 19:32:56
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题目1单选题
I would love _____ to the concert last night but I had a fever and had to see a doctorA. to have goneB. goC. to goD. going
题目2单选题
A poem would have a different effect _____ composed in a different languageA. if it wasB. if it isC. had it beenD. were it
题目3单选题
Susan would have gone to visit the Great Wall, but she _____ fully occupied the whole of last weekA. isB. wereC. wasD. had been
题目4单选题
_____ the entrance exam, he was offered an opportunity to study international finance and economics at universityA. Having passedB. passedC. passingD. had passed
题目5单选题
Science assures that highly evolved beings _____ exist on the stars and planets around us, if life is common in the universeA. shouldB. wouldC. mustD. could
题目6单选题
Impossible _____ it seems, it is trueA. althoughB. thoughC. asD. since
题目7单选题
Many people think that the goal of developing new technology is to provide people with what _____ to live comfortablyA. do they needB. they are neededC. have they neededD. they need
题目8单选题
Returning to my apartment, I found my key to my apartment _____at the officeA. leavingB. leftC. leaveD. to leave
题目9单选题
The melting point of ice and the boiling point of water are the fixed points _____ the Centigrade scale is basedA. by whichB. at whichC. on whichD. for which
题目10单选题
There _____ to be nobody in the officeA. happenedB. existedC. hasD. is
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