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【单选题】
测量的平面基准通常采用( )。
A.
2000地坐标系
B.
球面坐标系
C.
平面坐标系
D.
高斯坐标系
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参考答案:
举一反三
【单选题】We can start living a normal life again now.
A.
幸福的
B.
正常的
C.
艰难的
【简答题】We have always been warned of the ers of forest fires. They cause _____ 85 _____ to a forest. They kill many plants and animals in an eco-system, which is a group of living things and their enviro...
【单选题】随着充电电流急剧加大,欧姆极化将造成蓄电池在充电过程中( )。
A.
电压升高
B.
电压降低
C.
温度升高
D.
温度降低
【简答题】Why We Need Vacations There's more to a vacation than can be described in travel books. We certainly need breaks from work. But there is even more to be said for a get-away break, leaving all daily wo...
【单选题】如某元件须得到比主系统高的多的油压时,可采用( )
A.
压力调节回路
B.
多级压力回路
C.
减压回路
D.
增压回路
【简答题】听力原文: We need a reasonable combination of healthy eating and regular exercise. That will improve your health, help pr disease and let you live a happier life. Healthy eating goes hand-in-hand wit...
【简答题】完形填空。 We have always been warned of the ers of forest fires. They cause 1 to a forest. They kill many plants and animals in an eco-system, which is a group of living things and their environment. ...
【简答题】阅读短文,在空白处填入适当的内容或括号内单词的正确形式。 The earth is our homeland. We must look 1.________ it. Do you think it's our duty to 2.__________ (protect) the enviroment? Sure, many famous people have 3.________ (start...
【单选题】关于概率的说法,错误的一项是
A.
通常用P表示
B.
取值范围[0,1]
C.
某事件发生的频率即概率
D.
在实际工作中,概率是难以获取的
E.
某事件P<0.05称小概率事件
【简答题】 living doesn’t mean that you give up your job and start living in the countryside, but it means that we spend our time, energy and efforts on important things in life. It can be good for us in ...
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