标题:
[求助]语法题
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作者:
fhr6568
时间:
2004-10-10 12:35
标题:
[求助]语法题
In geometry,an ellipse may be defined as the locus of all points,____distances from two
fixed point is constant.
A)which as the sum of
B)whose sum that the
AB怎么解释,我辨析不了.谢谢
作者:
lly72823
时间:
2004-10-10 12:37
你给的KEY好像不正确, 您再查查, 此题偶见过, 记得不是这样的。
请指正
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