What do you think made mary upset?-------her new bicycle.
题目
What do you think made mary upset?-------her new bicycle.
What do you think made mary upset?
-------her new bicycle.A As she lost B Lost C Losing D Because of losing
答案
选C,因为问句的主语是what,是问什么使她难过,答句应是用名词或动名词来回答,以示一致.用连词回答都是不正确的.
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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