1.He never expected that ______ find the bicycle.A.to B.to be C.they D.they would 2.This new movie i
题目
1.He never expected that ______ find the bicycle.A.to B.to be C.they D.they would 2.This new movie is ______ watching.A.worth B.unworth C.worthy D.worthwhile
答案
D 他从没期望过他们会找到自行车,过去的将来 A,BE WORTH DOING STH,值得做某事 B没有这单词,CWORTHY OF 值得,D只能做表语
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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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