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【简答题】
若方程 x 2 + y 2 +D x + Ey + F =0表示以 C (2,-4)为圆心,半径等于4的圆,则 D =__________, E =_________, F ='_________.'
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举一反三
【简答题】Do you live in a city? Do you know how cities began? Long long ago, the world had only a few thousand people. These people moved from one place to another. They moved over the land, hunting (打猎) anima...
【单选题】where do you live?
A.
I live in Beijing
B.
I come from China.
C.
Take it easy
D.
I like his dog
【简答题】Do you live in a city? Do you know how cities began? Long long ago, the world had only a few thousand people. These people moved from one place to another. They moved over the land, hunting animals fo...
【简答题】在保险合同的有效期内，当事人依法对保险合同所作的修改或补充，称之为保险合同的（ ）。
【单选题】I want you to tell my friend your very interesting experience exactly ______you have told it to me.
A.
when
B.
as
C.
while
D.
before
【单选题】I told your friend how to get to the hotel, but perhaps I______have driven her here.
A.
could
B.
should
C.
must
D.
might
【单选题】I told your friend how to get to the hotel, but perhaps I _____ have driven her there. [ ]
A.
could
B.
must
C.
might
D.
should
相关题目：
【单选题】where do you live?
A.
I live in Beijing
B.
I come from China.
C.
Take it easy
D.
I like his dog
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