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【单选题】
我国自上世纪 70 年代末建立新的 80 坐标系时,采用的椭球体是A.
IUGG椭球体
B.
克拉斯基椭球体
C.
Bassel椭球
D.
Hayford椭球体
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举一反三
【简答题】阅读短文，根据短文内容，从从A、B、C、D四个选项中，选出最佳答案． Australia is the largest island in the world. It is a little smaller than China. It is in the south of the earth. Australia is big, but its population is small. The ...
【单选题】Why is it not allowed if a person refuses to sell his property to a black man?
A.
Because he is not the owner of the property.
B.
Because he has no right to deny another person's equal freedom of choice.
C.
Because the black man is the real owner of the property.
D.
Because it is not permitted by the black man.
【单选题】What is the woman trying to do?
A.
Tell the man about a hat.
B.
Sell the man a hat.
C.
Help the man put on his hat.
【单选题】Australia is struggling to cope with the consequences of a devastating drought. As the world warms up, other countries should pay______.
A.
heel
B.
heal
C.
heed
D.
head
【单选题】What does the man mean?
A.
He wants to sell his car.
B.
He won't sell his car.
C.
He likes his car.
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