句型转换(高手来!速度!)
题目
句型转换(高手来!速度!)
1.Thisis his baseball.(改为否定句)
2.Is that her pencil case?(做否定回答)
3.This is _ a_ _ring_ in English.(对划线部分提问)
4.My computer is black.(改为一般疑问句)
5.I spell it“R-U-L-E-R”.(对划线部分提问)
答案
1.This is his baseball.(改为否定句)
This isn't his baseball.
2.Is that her pencil case?(做否定回答)
No,it isn't.
3.This is _ a_ _ring_ in English.(对划线部分提问)
What is this in English?
4.My computer is black.(改为一般疑问句)
Is your computer black?
5.I spell it“R-U-L-E-R”.(对划线部分提问)
What do you spell it?
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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