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【单选题】
椭圆 上一点 P到一个焦点的距离为5,则P到另一个 焦点的距离为A.
5
B.
6
C.
4
D.
10
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反馈参考答案：
举一反三
【简答题】5. What is another phrase for “You’re
welcome”? .
【单选题】-Wouldn’t be ___ wonderful world, if all nations live in ____ peace with one another? -What _____ pleasure to live in _______ world!
A.
the; the; the; such
B.
the; a; /; such
C.
a; /; a; such a
D.
a; a; /; such a
【单选题】What do you think 'large corvines' probably are?
A.
Another kind of bird.
B.
Another kind of parrot.
C.
Another kind of swans.
D.
Other birds that convince us.
【简答题】What is another advantage of working at home? It reduces ______.
【简答题】What are polymers, homopolymers and copolymers? And another name for polymer is ______?
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