改句子,
题目
改句子,
Paul has a pet parrot(改疑问句)He studies every night in his bedroom(改否定句)Does well(改否定句)Paul opens his bedroom door(改疑问句)He learned them(改疑问句和否定句)Smarty can do the test next time(改疑问,否定句)He can get 100%(改否定句和疑问句
答案
Paul has a pet parrot(改疑问句)Does Paul have a pet parrot?He studies every night in his bedroom(改否定句)He doesn't study every night in his bedroom.Does well(改否定句) Don't do well.Paul opens his...
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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