Complete sentences with correct form of the world in the brackets. 1 _________ is on the rise again. The queues outside the job centre just get longer and longer. [employ)
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举一反三
【单选题】过点C(4,0)的直线与双曲线 x 2 4 - y 2 12 =1的右支交于A、B两点,则直线AB的斜率k的取值范围是( )