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【单选题】
动力轮对车轴上安装有一个()。A.
齿轮箱
B.
减速箱
C.
变速箱
D.
电机箱
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举一反三
【简答题】What’s the sequence of the four strokes?
【单选题】What is the first paragraph mainly about?
A.
Many voices in cell phones are genderless.
B.
Male or female, it’s hard to distinguish.
C.
Female voices dominate electronic devices.
【单选题】Task 1 We don’t have beds in the spacecraft, but we do have sleeping bags. During the day, when we are working, we leave the bags tied to the wall, out of the ways. At bedtime we untie them and take t...
A.
on the wall
B.
to their seats
C.
onto the flight deck
D.
anywhere they like
【简答题】把下列二进制数转换成八进制数 (10011011100) 2 =( ) 8
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