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【单选题】
关于水平角观测,说法正确的是( )。A.
盘右观测取平均值,可以消除对中误差。
B.
目标在视线方向上偏心,影响水平角结果。
C.
度盘分划误差可以通过多测回观测减弱其影响。
D.
水平角观测时,不需要竖盘指标水准气泡居中
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举一反三
【单选题】The doctor messed up the operation _____________.
A.
on a way
B.
by the way
C.
in a big way
D.
always the way
【单选题】Add Spice to Your Life! Long rated Number One in the South, Bayou Sauce is the perfect sauce to spicing up your food and impressing your family and guests. Forget the ketchup and mustard, add Bayou Sa...
A.
It is a new sauce.
B.
It has a new recipe.
C.
It is the hottest sauce available.
D.
It is made from natural ingredients.
【简答题】生牛皮的边角废料
【单选题】The number ____________in Chinese culture symbolizes perfect and harmony.
A.
“ 2 ”
B.
“ 10 ”
C.
“ 8 ”
D.
“ 6 ”
【单选题】The doctor asked me how long ________ .
A.
was I ill
B.
have I been ill
C.
I have been ill
D.
I had been ill
【简答题】电动机是将 ( ) 能转换为机械能的设备。
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