吊拖时拖缆长度应大于被拖船拖缆出口至水面距离的：（）
A.8倍
B.6倍
C.4倍
D.2倍
参考答案：C
—I think George doesn't really care for TV plays.
—Right, ________he still watches the program.
A．and
B．but
C．or
D．so
护士在工作中应怎样称呼病人？
