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【初二英语】It's cold outside.You'd better _____ more warm clothes
1年前
AB为圆O的直径点C为圆O上一点AD和过点C的切线互相垂直垂足为点D过点C作CE垂直AB垂足为点E直
1年前
求两道英语改错题的解It rained very heavy last summer and the little 91
1年前
初三英语几个小题儿~1、He left his key in his room.He had to climb in _
1年前
如图所示,用1.2N的拉力沿竖直方向匀速拉起重为2N的物体,物体上升0.1m所用时间为4s,此过程中拉力的功率为____
1年前