题目1/6 单选题设w_(1)=zcdotoverline(z),w_(2)=z+overline(z),则argw_(1)（）argw_(2)(Rez≠0).A. B ≤B. C C. D ≥1/6 单选题 设$w_{1}=z\cdot\overline{z},w_{2}=z+\overline{z}$,则arg$w_{1}$（）arg$w_{2}$(Rez≠0).A. B ≤B. C <C. D ≥题目解答答案B. C <