六年级英语作文:The uses of wood..(60字)
题目
六年级英语作文:The uses of wood..(60字)
至少50个字,要六年级学生看得懂的
算了,我已经写好了!
答案
Wood has many useful, such as: can do sofa, the table, the bed. Can also make the door, also can give people house repaired, wood can also disaster prevention, prevent the occurrence of debris flow, can purify air, producing oxygen to beautify the environment. In life, are all over the place need wood, we should not overcutting, should protect natural resources
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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