It is said _______has been translated into Chinese. A.that B.which C.that which D.that that 答案:D 解析: 当宾语从句的主语是that时,that不可以省略 People say that that was how the Chinese first raised silkworms. 据说那就是中国人怎样最先开始养蚕的。2011年11月“神舟八号”飞船成功发射.并圆满完成各项预定任务.(1)火箭发射.燃料燃烧时, 能转化 能;(2)飞船在开始上升过程中,速度变大,动能 ;飞船相对于火箭是 的.