用水器具下水口连接的排水横管道最容易堵塞,不得使用()。A.正三通 B.羊角三通 C

题型:多项选择题

问题:

用水器具下水口连接的排水横管道最容易堵塞,不得使用()。

A.正三通

B.羊角三通

C.正四通

D.支管带有弯度的四通

考点:管道工考试初级管工考试初级管工考试题库
题型:多项选择题

细菌繁殖中不可能发生的是 [ ]

A.着丝点的分裂

B.DNA复制

C.细胞壁形成

D.蛋白质合成

题型:多项选择题

用所给词的适当形式填空(6分):

小题1:Who can jump the _________________ (far) in your class, Sandy, Lucy or Kate?

小题2:Chen Kaige is one of the famous ________________ (direct) in China.

小题3:The boy’s ________________ (die) is a great disaster to his parents.

小题4:There’s always a risk of getting killed, so the family has to move away to another city for ________________ (safe).

小题5:Shortly after, the ____________ (France) director told me that he had devoted his lifetime to the industry.

小题6:Chinese people have found out the ______________ (true) through many years’ struggle.

题型:多项选择题

引起失语

A.脑水肿
B.脑软化
C.内囊出血
D.桥脑出血
E.左侧脑出血

题型:多项选择题

在下列多路复用技术中,适合于光纤通信的是________。

A.TDMA

B.CDMA

C.WDMA

D.FDMA

题型:多项选择题

药材断面有朱砂点,暴露稍久,可析出白毛状结晶的是()

A.川木香

B.木香

C.白术

D.茅苍术

E.漏芦

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