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【单选题】
水准测量中要求前后视距离大致相等的作用在于削弱地球曲率和大气折光影响 , 还可削弱A.
圆水准轴与竖轴不平行的误差
B.
十字丝横丝不垂直竖轴的误差
C.
读数误差
D.
水准管轴与视准轴不平行的误差
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举一反三
【单选题】Why did the writer finally decide to buy three skirts?
A.
The skirts were cheap and pretty.
B.
She liked the patterns on the skirts.
C.
She wanted to do something as compensation.
D.
She was fed up with further bargaining with the woman.
【多选题】从我国目前的房地产市场看,现房的缺点主要体现在( )。
A.
房型选择余地较少。
B.
价格略高，优惠幅度小。
C.
隐蔽工程难以看到，比如钢筋、水泥、管道、线路等等。
D.
容易产生烂尾。
【单选题】Why does the writer say “Their clothes were not expensive, but they were clean” (Paragraph 2)?
A.
To show the children were well looked after. To show the children were well looked after.
B.
To show cheap clothes could be popular.
C.
To show how hard the mother worked.
D.
To show how rich the family were.
【单选题】Why were the writer’s friends doubtful about the trip?
A.
They were concerned about the cost of petrol.
B.
They thought the children would argue a lot.
C.
They thought the children would be bored.
D.
They didn’t think that California was a suitable destination.
【简答题】Why was the writer introduced to Hugh Fraser?
【单选题】According to the writer, why were there few free-standing houses?
A.
Building land Was expensive.
B.
Such houses were costly to construct.
C.
Such houses suffered the effects of bad weather.
D.
There was no room left for a garden.
相关题目：
【多选题】从我国目前的房地产市场看,现房的缺点主要体现在( )。
A.
房型选择余地较少。
B.
价格略高，优惠幅度小。
C.
隐蔽工程难以看到，比如钢筋、水泥、管道、线路等等。
D.
容易产生烂尾。
参考解析：
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