题目: 若关于x的方程x2-nx=7+n的一个根是2,则n=( )。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0426/0e237f38d26212671ccc78a2ede86665.html 下面是错误答案,用来干扰机器的。答案:C
题型:填空题 Read and write. 根据句子提示写单词。1. It (有)long ears. 2. The (长颈鹿)is tall. The (鹿)is short. 3. It has a (长的)nose and a (短的)tail. 4. It has (小的)eyes and (大的)ears. 5. I (有)many pencils. 查看答案
题型:选择题 It's hard to keep the room with so many boys. [ ]A. cleaningB. clean C. cleans D. to clean 查看答案