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【单选题】
肛管排气时,保留时间一般不超过多少
A.
A  15 分钟
B.
B  20 分钟
C.
C  25 分钟
D.
D  30 分钟
E.
E  40 分钟
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【简答题】阅读理解。 Burn rate is the speed at which a startup business consumes money. My rate was $ 75,000 a month. Four months after my company was set up, I had only a quarter of the starting capital left in the...
【单选题】变压器在运输和装卸中,要求起吊绳索与垂线间的夹角不超过(  )。
A.
15°
B.
20°
C.
25°
D.
30°
【简答题】Burn rate is the speed at which a startup business consumes money. My rate was $ 75,000  a month. Four months after my company was set up, I had only a quarter of the starting capital left in the bank...
【单选题】联网收费协议中要求各签约方车辆判别差错率小于()。
A.
千分之一
B.
千分之二
C.
万分之一
D.
万分之二
【单选题】变压器在运输和装卸中,要求起吊绳索与垂线间的夹角不超过()
A.
15°
B.
25°
C.
30°
D.
35°
【简答题】三.完形填空 (20分) How often do you change your hairstyle or ask for new dresses? You may be   3 1 to follow trends(潮流)in Western countries, but young people in the United States don’t care as much about 32...
【判断题】Volume is the speed at which a person speaks.
A.
正确
B.
错误
【单选题】Last summer I took a course on _________.
A.
how dresses to be made
B.
how dresses be made
C.
how to make dresses
D.
how to be made dresses
【单选题】变压器在运输和装卸中,要求起吊绳索与垂线间的夹角不得超过()。
A.
15º
B.
20º
C.
25º
D.
30º
【简答题】课本P44页2-8(A)
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