1.[单选题] No sooner_______ than the accident happened.
A.he had gone
B.had he gone
2.[单选题] As soon as he______ his error, Rockfeller made the necessary corrections to his data collected.
3.[单选题] To prevent flooding in winter the water flowing from the dam is constantly ____ by a computer.
4.[单选题] The painter creates an illusion of _________ by making objects smaller and less clear as they go into the distance.
5.[单选题] _____ the English examination I would have gone to the concert last Sunday.
A.In spite of
6.[单选题] ____, explorers could never have found the cave.
A.But for the fissure had been spotted
B.If not the fissure had been spotted
C.Had the fissure not been spotted
D.Had not the fissure been spotted
7.[单选题] Sorry I can’t help you, but I’ve got my __________ full at the moment.
8.[单选题] They are ____ the woods for the missing child.
9.[单选题] It was not until I met you_____ I knew real happiness.
10.[单选题] On no account _____ our friends.
A.must we betray
B. should we betray
C.have we to betray
D.we must betray
16.[问答题] Keep on going and the chances are you will stumble on something ,perhaps when you are least expecting it.
18.[问答题] I think it’s exactly the kind of message we want to put across in our text book.
19.[问答题] Arguing from the view that humans are different from animals in every relevant respect, extremists of this kind think that animals lie outside the area of moral choice.
20.[问答题] He’s working in an art gallery this summer,but the money’s rubbish.