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【简答题】
已知点 ， 到直线 的距离相等，求 的值．
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反馈参考答案：
举一反三
【单选题】What's the advantage for the people who join the co - up for 6 month period?
A.
The membership fee is lower.
B.
They can help chouse the products that will be sold
C.
They may attend fewer meetings.
D.
They may go to the co - up more times per week.
【简答题】《关于解决国家和他国国民间投资争端公约》对中心管辖有何规定？
【单选题】What's the advantage for the people who join the co - up for 6 month period?
A.
The membership fee is lower.
B.
They can help choose the products that will be sold.
C.
They may attend fewer meetings.
D.
They may go to the co -up more times per week.
【简答题】This book belongs in the technical ibrary of anyone involved in the field of electronics.It provides the basic theory, components, devices, circuits, and systems of electronics. Not only does this boo...
【单选题】Retum the book immediately to the 1ibrary as soon as you_______with it.
A.
finish
B.
are finished
C.
have finished
D.
are finishing
【多选题】要调查某地区养鸡专业户的养殖经营情况，以下哪些是可选用的指标？
A.
养鸡专业户的户数
B.
每一养鸡户的养鸡数
C.
养鸡专业户的养鸡数
D.
每一养鸡户的年收入
E.
养鸡户的平均年收入
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