【单选题】It is important to ________ the latest research. [ ]
【多选题】新中国建立之际,毛泽东提出的 三大 外交 政策指 ( ) 。
【简答题】A.Comfortable Touch. B.Smile. C.Wonders of Touch. D.Keep in Touch,
【简答题】数控程序的编制方法分为 ____和___
【单选题】Keep in touch with your family members you are in the world.