题目内容

Questions 11 to 18 are based on the conversation you have just heard.

A. The two persons are talking about a lost wallet.
B. The woman is asking the way.
C. The man is not from around here.
D. The man is showing the woman around.

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1.001的203%等于多少()

A. 2.00202
B. 2.00300
C. 2.03203
D. 2.03300

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A. Glu
B. Rha
C. Ara
D. Gal
E. Xyl

非铠装电缆用于非电气人员经常活动场所的地坪以上1m范围以及地中引出的地坪下0.3m深电缆区段时,应采用具有机械强度的管或罩加以保护。( )

A. 对
B. 错

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B. 醋酸镁反应
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D. α-萘酚-浓硫酸试验
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