题目

The concert held at the Friendship Theatre was by a famous from China.(conduct) 答案：【1】conducted【2】conductor3．载人飞船的不断发射成功，标志着我国综合国力的提升．在飞船离开地面升空过程中，它的机械能增大（选填“增大”或“减小”）；地面指挥中心是通过电磁波和宇航员进行联系的．