He () in the laboratory the whole morning. A、has been workingB、is workingC、has worked
He () in the laboratory the whole morning.
A、has been working
B、is working
C、has worked
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The man ,a ____ translator,work 8 hours a day ,but earns little. A. part-timeB. part-dayC. full-timeD. whole-day
有如下程序： #jnCludeiostream using namespaCe std； Class Part{ publiC： Part(int x=0)：val(X){Coutval；} ～Part{Coutval；} private： int val； t }； Class Whole{ publiC： Whole(int x，int Y，int z=0)：p2(x)，pl(y)，val(z){Coutval；} ～Whole{eoutval；} private： Part pl，p2； int val； }； int main { Whole obj(1，2，3)； return 0； } 执行这个程序的输出结果是( )。A.123321B.213312C.213D.123123
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When the copying process is __________ , a small "Done" window appears on the computerscreen,A.entireB.totalC.completeD.whole
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【填空题】Matlab是Matrix和Laboratory两个词的组合，意为（）或（），是美国Mathworks公司发布的面对科学计算、可视化以及交互式程序设计环境。