子宫颈癌复发时最为少见的是（）
A.不规则 * * 流血
B.下肢水肿
C.坐骨神经痛
D.肾盂积水
E.腹水
参考答案：E
As big cities are ____ rapidly, it's time for us to move our attention to small and medium-sized cities and
even towns. [ ]
A. circulating
B. campaigning
C. exporting
D. expanding
已知关于x一元二次方程x2-kx-4 =0的一个根为2，则另一个根是[ ]
A．4
B．1
C．2
D．-2
