求一篇300词左右英语演讲 讲啥都行 急……
题目
求一篇300词左右英语演讲 讲啥都行 急……
答案
The advantages and disadvantages of making up a missed lesson
Make up a missed lesson is many students choose to ascend grades of important ways,is also the commonly used method,can make up a missed lesson learned knowledge to review,deepen,prevent forgotten.If excellent students make up a missed lesson,can assure result not to drop,more and more outstanding; For bad grades for students,it can ascend results,is that many parents and students' performance enhancing primary choice.
At the same time make up a missed lesson also exists some bad influence.Students for ascension results spend most of my time spent on make-up,often do not and extracurricular knowledge contact,cause for the final in-class knowledge skilled,for extracurricular practice unfamiliar,and make up a missed lesson will also give students at school,at ordinary times the pressure for example,after-school also spent in study energy,to students,only the correct understanding of the advantages and disadvantages of make-up,make enough psychological preparation,and is willing to make up missed lesson,so that make up a missed lesson can play its real effect.
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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