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- 1写出下列动词的过去式 is.are.want.do.a
- 2the people in ________countries have the eating habits _____(different)
- 3如图,在三角形ABC中,DE平行BC,EF平行CD.求证AF:AD=AD:AB
- 4英语可以加从句的动词,从句的时态与主句的时态有关吗?
- 5在同一平面内有三条射线OA、OB、OC,若∠BOC等于∠AOB的两倍,OD平分∠AOC,若∠BOD=21°,求∠BOC的度数
- 6同学们参加植树活动,2倍,
- 7英语翻译,考试中,急求
- 8英语翻译
- 9HOW is it going with your work.A .You are welcome.B.I am fine.C.Not bad.
- 10已知:如图,在△ABC中,BP、CP分别平分∠ABC和∠ACB,DE过点P交AB于D,交AC于E,且DE∥BC.求证:DE-DB=EC.