There is not a great difference between summer and winter
题目
There is not a great difference between summer and winter
为什么用between,为什么用There be句型,There be句型不是指某地有某物的吗,里面有什么规律可循,能再造几个这样的句子吗,另外单独用 a great difference 和 great difference 造句吗
答案
Although we are twins,there are great differences between us.
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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