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问题 单项选择题

ZD6-E190/600、ZD6-K190/350型电动转辙机动作杆的动程为（）。

A.130mm＋2mm

B.165mm＋2mm

C.190mm

D.190mm＋2mm

答案

参考答案：C

听力题

China is a big country. The weather in the north is quite different from ___1____ in the south. My hometown is Changchun. It’s a beautiful city in the ____2____ of China. In the city, the spring is warm, the summer is ___3____, the autumn is cool and the winter is ____4____. In the winter, people can ____5____ snowmen and play ____6____ snowballs. People can also go ____7____ and skiing. They usually spend a(n) ____8_____ winter. Now many people in the south and even some ____9____ come to the north of China to see the ___10_____ in the winter.
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单项选择题 A1型题

真寒假热的病机是（）

A.阴盛阳虚

B.阴盛格阳

C.阳盛格阴

D.阳俱衰

E.阳气暴脱
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