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【单选题】
输电线路的故障可分为（）。A.
瞬时性故障和间歇性故障
B.
瞬时性故障和永久性故障
C.
间歇性故障和永久性故障
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举一反三
【单选题】We recommend that a neutral chairman_____.
A.
be appointed
B.
were appointed
C.
were to be appointed
D.
could be appointed
【单选题】Some young people refused to be ______ as soldiers to fight in the war.
A.
registered
B.
appointed
C.
drafted
D.
called
【单选题】I am delighted _____ as chairman of the students' union last winter. [ ]
A.
to appoint
B.
to be appointed
C.
to have appointed
D.
to have been appointed
【单选题】Speaker A: Good morning. This is John Parker speaking. Im just ringing to confirm my appointment with Mr. Smith for this afternoon. Speaker B: ______
A.
How are you? I'm sure Mr. Smith will be able to see you this afternoon
B.
Yes. Mr. Smith is expecting you at 3 o'clock.
C.
Hello, I'm Mr. Smith's secretary. Do you mean you can come any time this afternoon?
D.
Oh, John, when do you think you can come?
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