_____students attended his lecture.
题目
_____students attended his lecture.
A.a number of B.The number of
C.a great deal of D.a good many of
这题为什么不选D?
答案
A.a number of 许多,大量
a good many of 后面跟限定语再跟名词
如:a good many of his students
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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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