英语用单词的适当形式填空
题目
英语用单词的适当形式填空
1How much does this parcel ______?(weight)
2He had to pay more at the airport because his case was ______ .(weight)
3She ________ that we should have the discussion right after the lecture (perfer)
4A teacher should not show ______ for any one of his pupils
答案
1.weights
2.overweighted
3.prefers
4.应该没有完成吧?
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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