1.He believed, ____that people should start as early as possible to look at the world and at nature
题目
1.He believed, ____that people should start as early as possible to look at the world and at nature
1.He believed, ____that people should start as early as possible to look at the
world and at nature and to think about what they saw
A.as does his mother B
as his mother does
C as did his mother D his mother as did
A与C怎么区别?
答案
前面用的是过去时态,这里作为插入语,表示他妈妈也相信,时态也应该用过去时保持一致,that 前面应该还有个逗号的.所以选C
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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