From the last paragraph we can see that the uses of the laser______.
A. are yet to be simplified
B. are expanding all the time
C. remain an ideal in imagination
D. remain an issue beyond solution
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UK used to be free from bombings due to
A. its measures to condone criminals.
B. its sinful plot of assassins.
C. its expulsion of anarchists.
D. its willingness to accept political radicals.
下列说法中正确的是()。
A. 只要将高级程序语言编写的源程序文件(如try.C)的扩展名更改为.exe，则它就成为可执行文件了
B. 当代高级的计算机可以直接执行用高级程序语言编写的程序
C. 用高级程序语言编写的源程序经过编译和连接后成为可执行程序
D. 用高级程序语言编写的程序可移植性和可读性都很差
某建设工程计算期为5年，各年净现金流量如下表所示，该项目的行业基准收益率ic＝ 10%，该项目财务净现值(FNPV)为()万元。
A. 1 500
B. 650.2
C. 715.2
D. 2 810.6
A．stayB．leaveC．remainD．keep
A. stay
B. leave
C. remain
D. keep
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