与 make sure 有关的词组和造句
题目
与 make sure 有关的词组和造句
答案
make sure(of sth/that)
确保；设法保证 our staff will do their best to make sure you enjoy your visit.
查明,核实 she looked around to make sure that she was alone.
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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