STM-64每秒可传输的帧数是()。 A.2000; B.8000; C.32000

题型:单项选择题

问题:

STM-64每秒可传输的帧数是()。

A.2000;

B.8000;

C.32000;

D.64000。

考点:传输线路维护人员考试光缆线路维护光缆线路维护题库
题型:单项选择题

I think he’s determined that he won’t give in—you may try your luck and see if you can persuade that old________fellow.

A.stubborn 

B.uneducated

C.friendly  

D.responsible

题型:单项选择题

女性,30岁,间歇性进食梗噎,胸骨后憋胀,偶有呕吐5年,伴消瘦,食管吞钡造影,见食管贲门呈“鸟嘴样”改变,应诊断为()

A.食管癌

B.食管腐蚀性狭窄

C.贲门失弛缓症

D.食管炎

E.贲门癌

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引起咳嗽的气机失调是()

A.气陷

B.气滞

C.气脱

D.气闭

E.气逆

题型:单项选择题

Rod loves ________ clocks. However, he never manages to put them together again.

A.taking apart

B.giving away

C.making up

D.turning off

题型:单项选择题

简述皮娜•鲍希对德国舞蹈剧场的继承与发展。

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