国家标准规定的汽油额定零售损耗率为（）.A.0.3% B.0.29% C.0.2%_爱下问搜题

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问题单项选择题

国家标准规定的汽油额定零售损耗率为（）.

A.0.3%

B.0.29%

C.0.2%

D.0.08%

答案

参考答案：B

补全对话，情景问答

给下列的问句选择合适的答语。

( ) 1. What's his name?
( ) 2. How are you?
( ) 3. Where is your book?
( ) 4. How many books do you have?

A. Three.
B. Fine, thanks.
C. His name is Li Ming.
D. On the desk.

多项选择题

用浸取法从油菜籽中提取菜油，宜采用( )作溶剂。

A．稀碱溶液 (C)易挥发的