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【简答题】
[2014·合肥模拟]f(x)是定义在(0，＋∞)上的单调递增函数，满足f(xy)＝f(x)＋f(y)，f(3)＝1，当f(x)＋f(x－8)≤2时，x的取值范围是________．
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举一反三
【单选题】In order to cater for his expenses, he has to do extra work at night.
A.
meet
B.
reach
C.
provide
D.
fill
【单选题】In order to cater to the ( ) of the fashion, she wore heavy make-up and dyed his hair with different colors every each week, which, in the eyes of her parents, were awfully weird.
A.
prevalence
B.
dominance
C.
tendency
D.
preference
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