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【简答题】
已知椭圆 （1）求椭圆C的标准方程。 （2）过点Q（0， ）的直线与椭圆交于A、B两点，与直线y=2交于点M（直线AB不经过P点），记PA、PB、PM的斜率分别为k 1 、k 2 、k 3 ，问：是否存在常数 ，使得 若存在，求出名 的值：若不存在，请说明理由．
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举一反三
【单选题】He wanted to know the English party.
A.
when will we have
B.
when we will have
C.
when would we have
D.
when we would have
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A.
when will we have
B.
when we will have
C.
when would we have
D.
when we would have
【单选题】—What are you talking about? —We are discussing _____. [ ]
A.
when will we go
B.
where will we go
C.
who will go with us
D.
how will we go
【单选题】He wanted to know ___ the English party.
A.
when will we have
B.
when we will have
C.
when would we have
D.
when we should have
【单选题】下列对选举权和被选举权的认识中，正确的是（）。 ①中华人民共和国年满18周岁的公民都享有选举权 ②行使选举权和被选举权是公民的基本民主权利 ③我国各级人民代表都由选民直接选举产生 ④依法被判刑的人，不能享有选举权和被选举权
A.
①②
B.
③④
C.
②
D.
②④
【简答题】下列人员，享有选举权的是（ ）。
【单选题】He wanted to know _____ he English party. [ ]
A.
when will we have
B.
when we will have
C.
when would we have
D.
when we would have
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