用英语描述教师这个职业
题目
用英语描述教师这个职业
答案
on the one hand, a good teacher should teach students knowledge. he should make his classes more interesting. so students are willing to listen carefully in the class.when some students do not understand certain knowledge,the teacher will be patient enough to teach them. on the other hand, a good teacher should teach students how to be a good person. when his students make mistakes, he will try to correct them. the teacher should let students learn how to respect parents and teachers.
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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