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【判断题】
地面点投影到椭球面上时，其平面位置用平面直角坐标来表示。A.
正确
B.
错误
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【简答题】Once there was an old farmer, with a horse that was almost as old as him. He set out one morning with his young son, to sell the horse before it died. Father rode and son walked, because the farmer di...
【简答题】“Are you poor? ” When I ____ (1)the question by a young boy with ____ (2)in his eyes, I didn’t know the answer. I am poor, because : Every time I ____ (3) my 1040 form , I ____ (4) one of the lowest i...
【单选题】The young boy set ________ his work ________ a will.
A.
to, at
B.
to, with
C.
out, with
D.
aside, with
【简答题】根据短文内容,从方框中选择恰当的词语填空,有的需要变换形式。 used to, change, imagine, midnight, set up, help, several, raise, strong, satisfaction Do you know Craig Kielburger? At the age of 12, he started a group to help kids ...
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