单项选择题At first, the speaker was referring to the problem of pollution inthe country, but halfway in her speech, she suddenly()to another subject.

A.committed
B.switched
C.favored
D.transmitted


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1.单项选择题Your advice would be()valuable to him, who is at present at his wits' end.

A.exceedingly
B.excessively
C.extensively
D.exclusively

2.单项选择题She cut her hair short and tried to()herself as a man.

A.decorate
B.disguise
C.fabricate
D.fake

4.单项选择题The French pianist who had been praised very highly()to be a great disappointment.

A.turned up
B.turned out
C.turned in
D.turned down

5.单项选择题One day, you will have to()this foolish behavior.

A.pay
B.pay for
C.pay back
D.pay off

6.单项选择题The coming of the railways in the 1830s()our society and economy.

A.transferred
B.transformed
C.transmitted
D.transported

8.单项选择题Although these people knew that their boss was in a difficult situation, they were still()him.

A.sticking to
B.sticking with
C.sticking on
D.sticking by

10.单项选择题I will()my lawyer to write out the agreement.

A.inform
B.notify
C.announce
D.report