一个铺路队2.5时铺路150米,照这样的速度,要铺1200米,需要多长时间?
1200÷(150÷2.5)=20(时)
Richard __________ injured in the car crash,but I didn’t stop him driving after he drank some beer.
A.wouldn’t have got
B.might not get
C.mustn’t have got
D.should not get
根据资产信用风险的大小,将资产分为()风险档次。
A.0
B.20%
C.50%
D.70%
E.100%