根据上下文及首字母,完成下列短文,每个空格填写一个单词.
题目
根据上下文及首字母,完成下列短文,每个空格填写一个单词.
Christmas is a popular holiday in the western countries .pepole like it very much.B( )Christmas ,people are busy doing shopping .Many families have Christmas t( ) in their home .At that time ,you can hear Christmas m( ) here and there .people usually have a big party with their reletives and friends .They give presents to each other .So they are very happy.
答案
before trees music
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
最新试题
热门考点