The meeting was concerned ____ reforms a

题型:选择题

问题:

The meeting was concerned ____ reforms and everyone present was concerned ____ their own interests. [ ]

A. with; about

B. for; with

C. for; about

D. about; with

考点:介词和介词短语
题型:选择题

3.14141414是循环小数.______.

题型:选择题

下列化合物的1H-NMR谱图中吸收峰的数目不正确的是 [ ]

A.(2个)

B.(5个)

C.(3个)

D.(4个)

题型:选择题

主动脉瓣关闭不全可见()。

A.阵发性夜间呼吸困难

B.心悸

C.脉压大

D.水冲脉

E.枪击音

题型:选择题

A3车型前BCM和后BCM是通过()总线进行通讯的。

A.K

B.L

C.LIN

题型:选择题

货运检查站应由()负责普通记录和施封锁请领、发放、回收、销毁与保管

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