单项选择题

It’s important to have vapor seals on the warm side to ______.

A．avoid gas when the air cools
B．avoid mist when the air cools
C．avoid rapor when the air cools
D．avoid moisture when the air cools
<上一题 目录 下一题>
热门 试题

单项选择题
The passage implies that ______.
A．few people attended the funeral
B．fishing is a secure vocation
C．the island is densely populated
D．the house belonged to the deceased
单项选择题
______ is a major city in the south - east of New York state and comprises five boroughs, one of which is Manhattan, the economic and cultural heart of the city.
A. New York
B. Los Angeles
C. Seattle
D. Dallas
相关试题