初一 英语 英语句子转换 请详细解答,谢谢! (26 20:9:2)
题目
初一 英语 英语句子转换 请详细解答,谢谢! (26 20:9:2)
1.Surfing first started on the Island of Hawaii.(对划线部分提问)
2.A tunnel is very hard to build.(改用为easy询问的一般疑问句)
3.He saw the bag when his bike hit it.(用not.until...改写句子)
答案
1 Where did surfing first start?
2 Is a tunnel very easy to build?
He didn't see the bag until his bike hit 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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