Without skilful surgery he would not have survived the operation.




A.Had it been for skilful surgery he would not have survived the operation.
B.He wouldn't have survived the operation if he hadn't had skilful surgery.
C.But for skilful surgery he would not have survived the operation.
D.With skilful surgery he would have survived the operation.

The word "displaced" in the second paragraph is closest in meaning to __________




A.not pleased
B.moved
C.located
D.filtered

John: "Thanks a lot ." Terry: "____________________"




A.Of course
B.Don't mention it
C.Oh, that's too bad
D.Oh , I am sorry to hear that

A.reporter
B.manager
C.director
D.professor

We really appreciate your help, without which we couldn't have got our task done in time.




A.are proud of
B.depreciate
C.require
D.feel thankful for

Around 150 BC. the Greek astronomer Hipparchus developed a system to classify stars according to brightness.




A.record
B.shine
C.categorize
D.diversify

Supposed that you failed your driving test, would you take it again?




A.would you take
B.driving testf
C.failed
D.supposed that

With what topic is the passage primarily concerned?




A.Undersea vehicles
B.Communication among drivers
C.Technological advances in oceanography
D.Direct observation of the ocean floor

It's not worth in trying to make her change her mind.




A.There's no point in trying to make her change her mind.
B.It's no point for trying to make her change her mind.
C.It's no point in trying to make her change her min
D.There's no point to try to make her change her mind

They did not meet each other since they left school more than five years ago.




A.did not meet
B.other
C.left school
D.than