大便先干而后稀是因( )
A．肝郁脾虚B．命门火衰C．湿邪困脾D．脾阳虚E．脾气虚
参考答案：E
When Nancy was at college, she ______ three foreign languages. But I am surprised to find that she ______ all except a few words of each.
A．spoke; had forgotten
B．had spoken; had forgotten
C．spoke; has forgotten
D．had spoken; has forgotten
对于热伸长量较小的室内不保温管道，最适合装设的支架为（）
A、低滑动支架
B、高滑动支架
C、滚动支架
D、导向支架
