英文作文:光盘比书更流行
题目
英文作文:光盘比书更流行
答案
Join in the “Clean Your Plate ” Campaign
We often see people waste food because they order too much their meals,
or the food is not delicious enough or not properly kept.
A survey indicates each year China wastes 200 billion yuan worth of
food,which is enough to feed over 200 million people.
Food waste means wasting money as well as wasting precious resources.When food is thrown away,it becomes rubbish which can be harmful to the environment and people's health.
It's meaningful to join in the "Clean Your Plate" Campaign,which helps us realize how difficult it is for a grain of rice to come on our plate and how important it is to save food.It's wise to order a proper amount of food for our meals.If there're leftovers,it's better to take them home.To save food,we should start with ourselves and start from now.
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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