The station is about 15 (kilometer) awat from here He is in (dangerous).Ket;s save him
题目
The station is about 15 (kilometer) awat from here He is in (dangerous).Ket;s save him
it may (hurt) your eyed
答案
1.kilometers 15公里,复数叫s
2.danger be in danger 固定用法
3.hurt may情态动词,后跟动词原形
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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