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【单选题】
已知点P是椭圆16x 2 +25y 2 =1600上一点，且在x轴上方，F 1 ，F 2 分别为椭圆的左、右焦点，直线PF 2 的斜率为 -4 3 ，则△PF 1 F 2 的面积为（ ）A.
32 3
B.
24 3
C.
32 2
D.
24 2
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举一反三
【简答题】—Would you like a bottle of mineral water? —__________
【单选题】The bottle is full _________water. Who has filled it _________water?
A.
of; with
B.
with; of
C.
with; with
D.
of; of
【单选题】How many ____ are there and _____ milk is there in the bottle?
A.
water how many
B.
cup of water how much
C.
cups of water how much
D.
cups of water how many
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