A____ ,we have read the great book before They are readingthe second c____ of the magezine

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• 1.A____ ,we have read the great book before 2.They are readingthe second c____ of the magezine3.The raining weather is so u______
• A____ ,we have read the great book before They are readingthe second c____ of the magezineThe raining weather is so u______
• 根据句意和首字母提示填空,写单词完成句子1.A_______,we have read the great book before.2.Let’s play a game .I will h____ a book to see who can find it firstly.3.They are reading the second c____ of the magazine.4.The raining weather is so u_____.5.Dreams of finding lost t_____ almost came true recently.
• 1.A____ ,we have read the great book before 2.They are readingthe second c____ of the magezine
• A____ ,we have read the great book before They are readingthe second c____ of the magezine
• 关于x的一元二次方程mx2-（3m-1）x+2m-1=0，其根的判别式的值为1，求m的值及该方程的解．
• (m^2-1)x^2 + (m-1)x -5 =0 何值为一元二次方程 何值为一元一次方程