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- 1-----What do you think makes him so sad?
- 2This week most of my friends have already back home这句话通么?
- 3半径4厘米的半圆周长和面积求
- 41.You ()play table tennis in the corridors.A.must B.can c.should D.mustn't
- 5如图,在Rt△ABC中,∠ACB=90°,AC=BC=1,将Rt△ABC绕A点逆时针旋转30°后得到Rt△ADE,点B经过的路径为BD,则图中阴影部分的面积是_.
- 6I wonder if you wife will go to the ball.If she__,so__I.
- 7LITTLE JIM is only five years old .He can‘t make model planes by himself .转换为同义句
- 8Lucy is an English 改错
- 9若将单摆A的摆长增加1.5m,振动周期将增大到2倍,则A摆摆长为_m,振动周期等于_s.(g=10m/s2)
- 10英语翻译