【单选题】一半径为 R 的圆球形透明体,折射率为 2 ,从无穷远处射来的近轴光线,应聚焦于( )处.
【单选题】Norton Co., a U.S. corporation, sold inventory on December 1, 2018, with payment of 10,000 British pounds to be received in sixty days. The pertinent exchange rates were as follows:
B.
c 31 Spot rate $1.8182
C.
c 30 Spot rate $1.6666
D.
at amount of foreign exchange gain or loss should be recorded on December 31?
J.
:E K. 程度:中 L. 解析:$1.8182 - $1.7241 = $.0941 × £10,000 Gain
【单选题】如果追随者的独立性较强,工作水平高,那么采取( )的领导方式是不适宜的。
【单选题】如果追随者的独立性较强, 工作水平高,那么采取( )业的领导方式是不适宜的。
【简答题】匹配下列英汉词汇。A. at full capacityB. enhanceC. showcaseD. corridor trainE. commercial companyF. ridershipG. fluctuation in the exchange ratesH. rostering of locomotive crewI. remote-controlJ. social securit...
【单选题】一半径为 R 的圆球形透明体,折射率 n=2 ,从无穷远处射来的近轴光线,将聚焦在: