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【简答题】
过点 P (-2,-3)作圆C:( x -4) 2 +( y -2) 2 =9的两条切线,切点分别为 A 、 B .求: (1)经过圆心 C ,切点 A 、 B 这三点的圆的方程; (2)直线 AB 的方程; (3)线段 AB 的长.
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【简答题】What did the writer think of the watch he bought in the market? [A] He was fond of the watch because it was a Rolex. [B] He found the watch useful though it was very cheap. [C] He didn't like the watc...
【单选题】What did the writer think of the watch he bought in the market? 查看材料
A.
He was fond of the watch because it was a Rolex．
B.
He found the watch useful though it was very cheap．
C.
He didn' t like the watch at all．
D.
He was indifferent to the watch．
【简答题】Once there was a young man, he sold fruits at the market every day in the town. 1_. He believe that the earlier he got go the market, the more he could sell. This made other sellers came to the market...
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