题目内容

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

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Beihai Park is a beautiful park____built about 300 years ago

A. where was
B. that were
C. which was
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A. is
B. were
C. was
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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
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CRH5型动车组在应急车窗上方行李架上装有(),方便旅客逃生。

A. 灭火器
B. 手锤
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