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【多选题】
关于经纬仪，下列说法正确的是（ ）。A.
是进行角度测量的主要仪器
B.
包括水平测角和竖直测角
C.
包括正测角和反测角
D.
分为测微尺读数装置和单平板玻璃测读数装置
E.
可用于低精度测量中的视距测量
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举一反三
【单选题】What does the woman say about how distant objects look to her before a storm?
A.
They look smaller.
B.
They look cloudier.
C.
They look clearer.
D.
They look darker.
【简答题】A．Press certain points around the eyes with the fingers. B．Look at distant objects by moving the eyes from side to side. C．Do outdoor exercises dally. D．Stare at a calendar on the classroom wall.
【简答题】《 夏籥 》,又称《 ________ 》,传说是我国原始社会到社会过渡时期产生的著名乐舞。
【单选题】If distant objects seem quite clear and near, ________ weather will then probably come.
A.
rainy
B.
fine
C.
warm
D.
cloudy
【单选题】What does the woman say about how distant objects look to her before a storm?
A.
They look darker.
B.
They look smaller.
C.
They look clearer.
D.
They look cloudier.
【单选题】The accommodation is necessary for viewing both distant and near objects. This eyes might be
A.
farsightedness (hyperopia)
B.
nearsightedness (myopia)
C.
astigmasism
D.
emmetropia
E.
oldsightness (presbyopia)
【简答题】A．Press certain points around the eyes with the fingers. B．Look at distant objects by moving the eyes from side to side. C．Do outdoor exercises daily. D．Stare at a calendar on the classroom wall.
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