The boss of the company is trying to create an easy atmosphere ______ his employees enjoy their work.A. whereB. whichC. whenD. who
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As the smallest child of his family, Alex is always longing for the timehe should be able to be independent.A. whichB. whereC. whomD. when
若函数f(x):g(x)不为常数,则称f(x)与g(x)
在CMYK颜色模式下,C、M、Y、K分别代表什么颜色?.