out of和from的区别
题目
out of和from的区别
答案
从...起,始于She is singing from morning to night.她从早唱到晚.从;由He rose from office boy to managing director in fifteen years.他十五年里从办公室勤杂员升到总经理.离(开)Our school is two miles from t...
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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