涠12-1油田应急关断PLC的CPU模块1785-L40E的面板CHANNEL1A是

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问题:

涠12-1油田应急关断PLC的CPU模块1785-L40E的面板CHANNEL1A是()通信通道

A、RS422数据

B、DH+数据

C、REMOTEI/OSCANNER数据

D、15-PINETHERNET数据

考点:采油工考试海上采油工程仪表中级海上采油工程仪表中级题库
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He asked me, “Did you see my sister last night?”

----He asked me __________

A.if I had seen his sister the night before.

B.whether I had seen your sister the night before.

C.did I have seen his sister the night before.

D.that I saw his sister the night before.

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根据我国现行规定,外商投资企业取得的技术转让免征( )。

A.增值税

B.营业税

C.消费税

D.进口关税

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 色彩,可以是一种生活元素,也可以是一种生活内容,还可以是一种生活追求……请以“色彩”为话题,写一篇作文。

题型:单项选择题

下列关于摩擦力的说法正确的是(  )

A.相互压紧的粗糙物体间必有摩擦力

B.静摩擦力不一定随正压力增大而增大

C.静止的物体一定不会受到滑动摩擦力作用

D.摩擦力方向一定不会与物体运动方向相同

题型:单项选择题

有关CT的临床应用中,错误的是

A.颅脑肿瘤的检查首选普通X线,次选CT
B.脑出血的检查首选CT,次选MRI
C.腰椎间盘突出的检查首选CT,次选MRI
D.椎管内肿瘤的检查首选MRI,次选CT
E.肝脏肿瘤的检查首选超声,次选CT

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