无黄疸型钩体病死亡的主要原因是
A．肺弥漫性大出血
B．急性肾功能衰竭
C．脑疝
D．急性肝功能衰竭
E．呼吸衰竭
参考答案：A
—"Are you free on Saturday?"
—"_________ I have to do the housework." [ ]
A. I'm glad to
B. I don't think so
C. I think so
A．that
B．where
C．what
D．which
