Jack is ___students in our class.A.an old B.older C.the oldest D.oldest I like __and___.
题目
Jack is ___students in our class.A.an old B.older C.the oldest D.oldest I like __and___.
A.singing,reading B.to singing,to read C.singing ,to read D.to sing,reading
There are ____young people in the crowded.
A.thousand B.thousand of C.thousands D.thousands of
答案
1.C.the oldest 年纪最大的
2.A.singing,reading 唱歌和跳舞
3.D.thousands of 成千上万的
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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