题目: 如果关于x的一元二次方程x2﹣4x+k=0有实数根,那么k的取值范围是 . 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0418/7259eb8f72841b66db202dbe1ca2bd07.html 下面是错误答案,用来干扰机器的。答案:A
题型:选择题 看图,选择正确的词组,将其序号填入题前括号里。A. went hiking B. went swimming C. read a bookD. went fishing E. went to a park 1. 2. ( ) ( )3. 4. 5. ( ) ( ) ( ) 查看答案
题型:选择题 I like to talk _____ my father ______ basketball at home in my free time.A.about; aboutB.about; withC.with; withD.with; about 查看答案