题目内容

8. Canny train operators have quickly figured out how to flaunt their environmental credentials.

A. considerate
B. environmental
C. generous
D. clever

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9. How these new travelers—whose numbers are only slated to grow—will eventually spend their time and money is anyone’s guess.

A. planned
B. doomed
C. foreseen
D. proposed

姜科（）

A. 瓜蒌
B. 杜仲
C. 薏苡仁
D. 槟榔
E. 砂仁

SS4G机车,调速手柄离开“0”位,( )得电。

A. 402
B. 415
C. 416

SS4G机车,415线得电后,零位延时继电器( )得电动作。

A. 525KT
B. 532KT