单项选择题

The smog may be so thick that airports are closed and chains of ________ occur on the highways.
[A] conflicts
[B] contracts
[C] contrasts
[D] collisions

A.
[A]

你可能感兴趣的试题

单项选择题

在销售管理工作自查中，人身保险公司一年内因销售管理工作违规，有( )家以上省级分公司被保监局责令停止接受新业务，总公司负有直接责任的，中国保监会将依法责令总公司停止接受新业务3个月至12个月。

A.1
B.2
C.3
D.4

单项选择题

I wasn't at the meeting yesterday to hear ________ other people thought about this problem.
[A] which
[B] who
[C] what
[D] that