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【单选题】
50kg/m钢轨头宽度为()mm(中级线路工用)。A.
65
B.
68
C.
70
D.
73
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举一反三
【单选题】—Would you like to go picnicking with us today?—______, but it looks like rain.
A.
Yes, I would like
B.
I'm going to
C.
Sorry, I don't want to
D.
Well, I'd like to
【简答题】图示各电路在换路前都处于稳态,换路后电流i的初始值为 ,稳态值为
【简答题】图示各电路在换路前都处于稳态,换路后电流i的初始值为 ,稳态值为
【单选题】听力原文：M: It looks like rain. Here, take my umbrella. W: Thanks anyway, but I have a raincoat in my ear. Q: Why doesn't the woman take the umbrella? (13)
A.
Because it stopped raining.
B.
Because she already has an umbrella.
C.
Because she is staying home.
D.
Because she has a raincoat.
【单选题】— Shall I ______ the raincoats? — No hurry. Leave it where it is. It looks like rain. [ ]
A.
put away
B.
put on
C.
put forward
D.
put up
【单选题】听力原文：M: It looks like rain. Here, take my umbrella. W: Thanks anyway, but I have a raincoat in my car. Q: Why doesn't the woman take the umbrella? (8)
A.
Because it stopped raining.
B.
Because she already has an umbrella.
C.
Because she is staying home.
D.
Because she has a raincoat.
【简答题】图示各电路在换路前都处于稳态,换路后电流i的初始值为 ,稳态值为
【简答题】图示各电路在换路前都处于稳态,换路后电流i的初始值为 ,稳态值为
【多选题】下面是一些主机的IP地址，哪些属于私有地址？
A.
192.0.2.3
B.
172.15.1.9
C.
172.17.9.6
D.
10.10.10.10
E.
192.168.5.1
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