1 We look at the blackbord. 2 They stop the meeting . 3 They sit in a chair ,变为一般疑问句.
题目
1 We look at the blackbord. 2 They stop the meeting . 3 They sit in a chair ,变为一般疑问句.
答案
Do you look at the blackboard?
Do they stop the meeting?
Do they sit in a chair?
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
最新试题
热门考点