考非谓语动词的难词
题目
考非谓语动词的难词
The vocabulary and grammatical differences between British and American English are so trivial and few as hardly__.
1 noticed 2 to be noticed 3 being noticed 4 to notice
答案
这题的主语是differences 与notice 是动宾关系,所以要用不定式的被动语态,选择2
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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