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【单选题】
在水准仪的检校过程中，安臵水准仪，转动脚螺旋使圆水准气泡居中，当仪器绕竖轴旋转180°后，气泡偏离零点，说明( )。A.
水准管不平行于横轴
B.
圆水准器轴不平行于仪器的竖轴
C.
水准管轴不垂直于仪器竖轴
D.
使十字丝的横丝垂直于竖轴
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举一反三
【单选题】What is mentioned about Rebecca Smith?
A.
She is a client.
B.
She is a new employee.
C.
She is a company manager.
D.
She will be at a meeting.
【单选题】Under ISM Code the ship to which it applies has to carry ____.
A.
an International Ship Security Certificate
B.
an International Oil Pollution Prevention Certificate
C.
a Safety Management Certificate
D.
an International Ballast Water Management Certificate
【单选题】指出下列加点字的读音有误的一组.( )
A.
不逮人(dài) 迄乎成(qì) 昏与庸(yōnɡ) 屏弃(bǐng)
B.
蜀之鄙(bǐ) 何恃(shì) 饭钵(bō) 惭色(cán)
C.
语于富者(yǔ) 僧人(sēng) 久而不怠(dài) 彭端淑(shū)
【单选题】Under MARPOL Code the ship to which it applies has to carry ____.
A.
an International Ship Security Certificate
B.
an International Oil Pollution Certificate
C.
a Safety Management Certificate
D.
an International Ballast Water Management Certificate
【单选题】We cannot comment on whether ______ international standards should be developed under this convention.
A.
binding
B.
winding
C.
decaying
D.
cunning
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