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【简答题】
试比较稳恒磁场与静电场的异同。
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A.
How long have you been sick?
B.
I'm sorry to hear that.
C.
How are you feeling now?
D.
Do you have a fever?
【单选题】通常情况下大部分粉末是。( )
A.
菱形
B.
圆形
C.
三角形
D.
不规则形状
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【单选题】Hello! You ____ 68442936. I'm sorry I'm unable to answer your call right now. [     ]
A.
reached
B.
have reached
C.
are reaching
D.
had reached
【判断题】最大的杠杆就是最优的杠杆率
A.
正确
B.
错误
【单选题】听力原文:M: I'm glad I called to check on the time for picking Susan up, otherwise I'd have to wait for a longer time. W: Was the plane delayed again? Q: What does the woman imply? (17)
A.
Susan is late for work again.
B.
Susan has been delayed because of busy air traffic.
C.
Susan is traveling on a plane.
D.
Susan needs to be picked up.
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【多选题】在某些情况下,钢丝绳的弹性会显著降低,若继续使用则是不安全的,弹性降低通常伴随()现象。
A.
绳径减小
B.
钢丝绳捻距增大    1
C.
由于各部分相互压紧,钢丝之间和绳股之间缺少空隙
D.
绳股凹处出现细微的褐色粉末
E.
绳径增大
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【单选题】--- I will come to attend your lecture at 10:00 tomorrow. --- I’m sorry, by then my lecture will have ended and I ______ my guests in my office.
A.
is being met
B.
will meet
C.
will be meeting
D.
will have met
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