单项选择题Silk()by Chinese for thousands of years now.

A.has been used
B.was used
C.is used


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1.单项选择题he patient acted on the doctor's ()and finallyrecovered.

A.advices
B.advise
C.advice

2.单项选择题Let me()the case carefully before I draw a conclusion.

A.look out
B.look into
C.look after

3.单项选择题More and more people in China now()to work regularly.

A.drive
B.drives
C.have driven

5.单项选择题All the team members tried their best. We lost the game,()

A.as
B.therefore
C.however

6.单项选择题It is very convenient() here.

A.living
B.to live
C.live

7.单项选择题Ancient Greece is the()of western civilization.

A.sorces
B.source
C.origin

8.单项选择题I prefer classic music()pop music.

A.than
B.to
C.with

9.单项选择题The difinition leaves()for disagreement.

A.a small room
B.much room
C.great deal room

10.单项选择题— Is this the motel you mentioned? —()

A.It looks comfortable
B.Yes, it’s as quiet as we expected
C.You’re so considerate
D.No, the price’s reasonable