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【单选题】
水准测量中,调节脚螺旋使圆水准气泡居中的目的是使( )。
A.
视准轴水平
B.
竖轴垂直
C.
十字丝横丝水平
D.
都不对
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【判断题】When we draw an arc, one of the methods is "Center, Start, End".
A.
正确
B.
错误
【单选题】图样的比例大小,是指比值的大小,比值大于1的比例称为()。
A.
原值比例
B.
放大比例
C.
缩小比例
D.
线形比例
【单选题】When import taxes on goods arc high, there is a greater chance that they will be ______.
A.
bartered
B.
counterfeited
C.
manufactured
D.
smuggled
【判断题】投资环境冷热比较分析法是以“冷”、“热”因素来表述环境优劣的一种评价方法。()
A.
正确
B.
错误
【单选题】—Susan, why are you still here? They arc all ready to start.           . —I'm sorry.  but I when to start [     ]
A.
was told
B.
told
C.
tell
D.
wasn't told
【单选题】下列防爆电气设备中适用于爆炸危险场所的任何地点的是
A.
增安型
B.
充油型
C.
隔爆型
D.
正压型
【简答题】Children arc children after all, and most of them speak their mind. When they are just toddlers(幼儿), they are all lovely and lively. And it's so interesting to watch them speak like a grown-up. But as...
【单选题】我国新药注册分类规定,有效成分含量达( )以上即为一类新药。
A.
90%
B.
100%
C.
80%
D.
50%
【单选题】Chinese people arc supposed to __________ their bowl of rice when they cat. [     ]
A.
pull down
B.
put up
C.
pick out
D.
pick up
【判断题】Submerged arc welding can be completely replaced by CO 2 shielded arc welding when welding thick plates.
A.
正确
B.
错误
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