题目内容

动车组高压系统的避雷器的功能：避免雷电或过电压损害牵引变压器、牵引变流器等设备。

A. 对
B. 错

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以下哪一种菌通称为痢疾杆菌?()

A. 肉毒梭状芽孢杆菌
B. 椰毒假单胞菌酵米面亚种
C. 副溶血性弧菌
D. 志贺氏菌

Beihai Park is a beautiful park____built about 300 years ago

A. where was
B. that were
C. which was
D. where

He is poor, but the way how he behaves looks he _____ rich.

A. is
B. were
C. was
D. had been

CRH5型动车组应急车窗与标准车窗主要区别在于应急车窗上部中间区域设有（）敲击点。

A. 绿色
B. 红色
C. 黄色