用所给词造英语句子单词请看补充
题目
用所给词造英语句子单词请看补充
（be afrad of）害怕（be careful with）小心（be proud of）感到自豪（be crazy about）酷爱（be interested in）对.感兴趣（be good at）善于（be good for）对.有利（be late for）干某事迟到
be afraid of
答案
I am afraid of the dogs,so when i see them,i always be careful with it.
I am interested in many things,but i am crazy about playing football.
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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