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【单选题】
我国对客车换气量按人体卫生标准最低不少于( )A.
30立方米/小时
B.
20立方米/小时
C.
10立方米/小时
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反馈参考答案：
举一反三
【简答题】adj. 严峻的;严厉的;剧烈的;苛刻的
【简答题】Elementary education often relies on grouping students to ______.
【简答题】汽车防碰撞系统由 ( ) 、控制单元和 ( ) 等部分组成。
【简答题】adj.严厉的,苛刻的
【单选题】According to the passage, the students are complaining about their education, because ______.
A.
more courses provided by universities fail to meet the promised quality
B.
students want to pay for a consumption worth their own money
C.
when things don't go right students have the right to react accordingly
D.
students require universities to provide the best facilities and quality supervision
【简答题】严厉的;残酷的;苛刻的 adj. __
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