尿失禁
参考答案：尿失禁指排尿失去意识控制或不受意识控制，尿液不自主地流出。
—We are proud that the 2008 Olympics Games was held in Beijing.
—______.
A．So I am
B．So am I
C．So it is
D．So is it
跟单员不需要了解工厂生产环节的运作情况。( )
