钢结构工程原材料中,由于油漆和耐火涂料属于时效性物资,库存积压易过期失效,因此宜先进后用()
参考答案:错
前列腺增生患者最早出现的症状是()
A.排尿困难
B.尿潴留
C.尿频
D.无痛性血尿
E.腹股沟疝
— _______ is it to your hometown from here?
— Well, it takes over two hours to get there by train.
A.How often
B.How far
C.How long
D.How