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【单选题】
手动变速器脱挡的原因不包括( )。A.
自锁弹簧断裂
B.
换挡拨叉磨损
C.
变速杆弯曲
D.
轴向间隙过大
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【简答题】写出最常见的输入、输出设备。
【单选题】STM_1的速率是 Mbit/s,STM_16的速率是STM_1的 倍。()
A.
155.520 4
B.
155.520 ,16
C.
139.264 ,16
D.
622.080,4
【单选题】----Don't forget to ask him to write to me. ----I won't. As soon as he ____, I'll ask him to write to you.
A.
will come
B.
came
C.
comes
D.
will coming
【单选题】--- Don’t forget to ask him to write to me. --- I won’t. As soon as he __ ______ _____, I’ll ask him to write to you. A. will come B. came C. comes D. is coming
A.
1
B.
2
C.
3
D.
4
【简答题】写出最常见的输入、输出设备。
【单选题】SDH最基本的模块信号是STM-1，它的速率是155Mbit/s，STM-16的速率是 ________。
A.
100Mbit/s
B.
622Mbit/s
C.
2.5Gbit/s
D.
10Gbit/s
【简答题】阅读理解。 When you go to see a doctor, he will write you a note (处方) to take to the chemist for some medicine. Chemists are usually good at reading doctors' notes.But sometimes doctors write too badly and...
【单选题】— Don’t forget to ask him to write to me. —I won’t. As soon as he _______, I’ll ask him to write to you.
A.
will come
B.
came
C.
comes
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