将下列句子变为一般疑问句(对其进行肯答,否答和否定句)1 the desk has three legs
题目
将下列句子变为一般疑问句(对其进行肯答,否答和否定句)1 the desk has three legs
2 lucy and lily have a room
3her sister helps me every day
4 her parents buy him a shirt
答案
1 Does the desk have three legs?Yes,it does.No,it doedn't.The desk doesn't have three legs.2 Do Lucy and Lily have a room?Yes,they do.No,they don't.Lucy and lily don't have a room.3 Does her sister he...
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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