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- 1D,E分别是等边△ABC的边BC,AC上的点,且BD=CE,连接BE=AD,他们交于点F,求角AFE的度数.
- 2What do you think______(made/to make)him change his mind.答案是made,为什么to make不行?
- 3一个三角形的面积是20厘米,底是8厘米,高是( )厘米. A.10 B.5 C.4
- 4the frist 10 years of the 21st century saw the development of the company
- 5仿照一句句子写一句优美的句子
- 6My brother goes to school by bicycle.(对by bicycle提问)
- 7已知:x+y=12,xy=9,则x²y+2xy²分之x²+3xy+2y²=
- 8I'll go and help you with the work _______I was busy indeed
- 9你说什么语言用英语怎么说
- 10若关于x的方程x2+x+a=0的一个根大于1,另一根小于1,求实数a的取值范围.