英语翻译
题目
英语翻译
lants are very important to us.Life cannot go on if there are no plants.Because plants can make food from air,water and sunlight while man and animals can't.Animals get their food by eating plants and also the man.This is to say ,animals and the man need plants in order to live.As we know,plants can make air fresh,which is good to our health and plants make our world more beautiful .Also,plants protections means protecting our own homeland,beause plants can provent sandstorms and so on.So,it's important for us to protect plants!
答案
移植对我们很重要.生活不能继续如果没有植物.因为植物可以使食物从空气,水和阳光,而人与动物不能.动物得到他们的食物通过食用植物和人.这是说,动物和植物的人需要为了生活.正如我们所知,植物可以使空气清新,这是对我...
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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．
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