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【简答题】
已知椭圆C的方程是 （a＞b＞0），点A，B分别是椭圆的长轴的左、右端点，左焦点坐标为（﹣4，0），且过点 ． （Ⅰ）求椭圆C的方程； （Ⅱ）已知F是椭圆C的右焦点，以AF为直径的圆记为圆M，试问：过P点能否引圆M的切线，若能，求出这条切线与x轴及圆M的弦PF所对的劣弧围成的图形的面积；若不能，说明理由．
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举一反三
【单选题】Which of the following can best explain the underlined expression? He made no attempt to hide his anger.
A.
make no difficulty
B.
make no mistake
C.
make no sense
D.
make no efforts
【单选题】He made no attempt to ____ his dislike of me.
A.
implant
B.
conceal
C.
score
D.
weaponize
【单选题】_______________, the great Roman general and historian, ever came to Britain in the first century B.C., but he made no attempt to conquer this Island.
A.
Julius Caesar
B.
Claudius
C.
Duke William
D.
Augustus
【简答题】He made a attempt to improve conditions. (sincere and honest; that can be trusted)
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