改成一般疑问句,再做肯定回答1,She is looking at the zebra.2The policeman is watching the car.
题目
改成一般疑问句,再做肯定回答1,She is looking at the zebra.2The policeman is watching the car.
3The birds in the tree are eating now.4 I am playing cards.5The sun is shining
答案
1 She is looking at the zebra.
Is she looking at the zebra? ----Yes ,she is .
2 The policeman is watching the car.
Is the policeman watching the car ? ----Yes , he is .
3 The birds in the tree are eating now.
Are the birds in the tree eating now ? ---- Yes , they are .
4 I am playing cards.
Are you playing cards? ---- Yes , I am .
5 The sun is shining.
Is the sun shining? ---- 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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