按照童话故事、角色、情节和语言,进行创作性的游戏是()
A.角色游戏
B.结构游戏
C.娱乐游戏
D.表演游戏
参考答案:D
—Does he tell you if he _____ tomorrow?
—No, he doesn't. But if he _____ , I'll call you up. [ ]
A. will come; will come
B. comes; comes
C. will come; comes
D. comes; will comes
圆钢不圆度是指同一横截面()和()之差。