1标准立方米天然气转化为液化天然气（LNG）后的体积大约是（）。_爱下问搜题

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问题单项选择题

1标准立方米天然气转化为液化天然气（LNG）后的体积大约是（）。

A.1/400立方米

B.1/500立方米

C.1/600立方米

D.1/700立方米

答案

参考答案：C

选择题

More often, the air in Hangzhou is dirty because of _____.

A．corn

B．pollution

C．medicine

D．temperature

选择题

—Please write here. I'll come back soon.

—All right. We won't leave ______ you come back.[ ]

A. since

B. until

C. while