—Is there anybody _________ help?—Yes,Lee says he can’t do it separately.
题目
—Is there anybody _________ help?—Yes,Lee says he can’t do it separately.
—Is there anybody _________ help?
—Yes,Lee says he can’t do it separately.
A.in need of B.in favor of C.in case of D.in praise of
为什么为什么为什么呢
答案
答案选A.in need of
A.in need of 需要
B.in favor of 有利于；支持；赞同
C.in case of 万一；如果发生；假设
D.in praise of 歌颂；为赞扬
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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