It has been documented that during World War Ⅱ, America's armed forces once tried formation flight to save fuel.

[单选题]During the last few years，it has been realized that maintenance of programs is more expensive than development,so reading of programs by humans is as important as (73) them.(73) A．editingB．writedC．writtenD．writing

[单选题]D．uring the last few years ,it has been realized that maintenance of programs is more expensive than development, so reading of programs by humans is as important as(73)them.A．editingB．writedC．writtenD．writing

[单选题]D．uring the last few years, it has been realized that maintenance of programs is more expensive than development, so reading of programs by humans is as important as(67)them.A．editingB．writedC．writtenD．writing

[单选题]B．y saying "the world has been spared a t.rue water war" (Line 1, Para.4), the author means（ ）[A] the water supply in the world is more than needed[B] the world has saved enough water to avoid the war[C] the world has never suffered a war triggered

[单选题]She has been working hard day and night during these years ______ she could

[单选题]The project budget has been finalized.Additional work has been discovered t

[单选题]Therehasbeenacollision___anumberofcarsonthemainroadtotown.A)composingB)consistingC)involvingD)engaging

[试题]Therehasbeenacollision___anumberofcarsonthemainroadtotown.A)composingB)consistingC)involvingD)engaging

[主观题]Therehasbeenacollisionanumberofcarsonthemainroadtotown.A)engagingB)composingC)involvingD)consisting

[单选题]There has been significant divergence in practice over recognition of revenue mainly because International Financial Reporting Standards (IFRS) have contained limited guidance in certain areas. The International Accounting Standards Board (IASB) as a