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【单选题】
三相异步电动机的缺点是（）。A.
调速性能差
B.
结构简单
C.
转速低
D.
重量轻
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【单选题】The professor ________at 8 o’clock，but he has not shown up yet，which worries all of us.
A.
was supposed to arrive
B.
must have arrived
C.
might have arrived
D.
was supposed arriving
【单选题】听力原文：W: It's ten o'clock. Is that too late for us to call Professor Brown about the student council meeting? M: Let's hold off till tomorrow. Q: What does the man mean? (18)
A.
Their appointment is not until tomorrow.
B.
The professor is waiting for their call.
C.
They should call the professor after the meeting.
D.
They should wait until the next day.
【简答题】会计核算就是对经济活动进行的事后记账、算账和报账。（ ）
【简答题】Acho que o nosso professor é ______________ (bom) professor que tenho até agora.
【简答题】完形填空。 Professor Barry Wellman of the University of Toronto in Canada has invented a term t o describe the way many North Americans interact (互动) these days. The 1 is 'networked individualism'. This co...
【单选题】______, he will apologize for his rudeness towards the professor at the conference.
A.
One out of ten
B.
Ten to one
C.
One out of a hundred
D.
One to ten
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