【单选题】进口商利用外汇期货交易避免外汇风险的做法是( )外汇期货。
【单选题】设星光的有效波长为550 nm,用一台物镜直径为1.20 m的望远镜观察双星时,能分辨的双星的最小角间隔是:
【单选题】设星光的有效波长为550 nm (1 nm = 10 -9 m),用一台物镜直径为1.20 m的望远镜观察双星时,能分辨的双星的最小角间隔dq 是:
【多选题】Among the words in bold type in the following sentences, at least two are used inappropriately. please identify them.
A.
In some circles, traditional sexist attitude toward women is coming back. They believe that the proper domain of women is in the kitchen.
B.
The law says that the jury must consist of disinterested people.
C.
Poor as the country was, ninety percent of its population was literal .
D.
He had a prestige for his dirty tricks and ruthlessness.
【单选题】出口商利用外汇期货交易避免外汇风险的做法是( )外汇期货。
【简答题】Even a careful motorist may commit a motoring offence. In this case,Even a careful motorist( 开汽车的人 ) may commit a motoring offence ( 违法 ).In this case, he will appear in a police court .This is a cour...