凡是在定额子目中只列人工量未列主材消耗量的，说明安装时不需要消耗材料。
参考答案：错
—How do you find your new sweater?
— . It’s really worth the money I paid.
A．Quite by accident
B．Well, the style is out of date
C．The department store is selling everything at a discount
D．It washes very well
通气改善率测定中提示气道阻塞中度可逆的标准是（）
A.10%
B.>15%
C.15%～24%
D.25%～40%
E.>40%
