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【单选题】
观测水平角和竖直角时，采用、观测（测），可以消除、、以及 等几项误差。A.
竖盘指标差 、横轴不水平误差、水平度盘偏心差 、 水准轴误差
B.
竖盘指标差 、横轴不水平误差、水平度盘偏心差 、视准轴误差
C.
竖盘指标差 、横轴不水平误差、水平度盘偏心差 、 竖轴误差
D.
竖盘指标差 、横轴不水平误差、水平度盘偏心差 、目标偏心差
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【简答题】Top Students 1. Most people have the potential to be top students even with average intelce. 2. Generally speaking, top students have systematic and effective studying skills. 3. There is no doub...
【单选题】From the last sentence of the second paragraph we learn ______.
A.
advertising is no different from person-to-person selling in substance
B.
advertising extends sales promotion to a larger area
C.
advertising has greatly improved the production of goods
D.
it is very expansive to advertise a new product
【单选题】Which statement about the amateur is correct?
A.
Professionals and amateurs are very different from each other in science.
B.
The growth of specialization improves the amateur participation in science.
C.
In the twentieth century, due to the increasing developments of science, the difference between the professional and amateur becomes larger than before.
D.
A similar process of differentiation occurred in the specific societies of geology.
【简答题】V型高脂蛋白血症时，患者的血清外观特征是
【单选题】传统的武器，它基本的工作原理通常是先点火、发射，然后依靠火药的推力在空中飞行，最后击中()爆炸。不管是枪炮还是导弹这些常规武器，包括很先进的核武器基本上都是这个原理。
A.
碉堡
B.
目标
C.
飞机
D.
武器
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