I often go hiking on the weekend.改一般疑问句 She is (cleaning the blackboard)now.括号部分提问
题目
I often go hiking on the weekend.改一般疑问句 She is (cleaning the blackboard)now.括号部分提问
Is the elephant drinking water?肯定回答
答案
1.Do you often go hiking on the weekend?
2.What is she doing?
楼上的同学,does不能喝doing连用的~
还有,就是
Is the elephant drinking water?肯定回答
Yes,it is.
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
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