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【单选题】
经纬仪水平度盘可以置零,竖直度盘不能置零的原因是( )。A.
没有置零装置
B.
竖盘没有零位置
C.
竖盘不是 0 ～ 360 °刻划
D.
竖盘与望远镜固定在一起
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反馈参考答案：
举一反三
【简答题】安全色是传递安全信息含义的颜色,用以表达()、()、()、()等。
【单选题】—It’s said that John will be in a job paying over $60,000 ______ year. —Right, he will also get paid by ______ week.
A.
a; the
B.
the; the
C.
the; a
D.
a; a
【简答题】闻名世界的秦始皇兵马俑是用什么做的?
【单选题】－It's said John will be in a job paying over $ 60,000 ___ year. －Right, he will also get paid by ______ week. [ ]
A.
the; the
B.
a; the
C.
the; a
D.
a; a
【单选题】——It’s said John will be in a job paying over ＄60,000 _____ year. —— Right, he will also get paid by _____ week.
A.
the; the
B.
a; a
C.
the; a
D.
a; the
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