根据首字母提示补全单词(要快!)
题目
根据首字母提示补全单词(要快!)
1.Who was the first prize in the pianoc c____?
2.I want to be a scientist in the f____.
3.It"s going to rain.Please take an u___with you.
4.Please say it a____.I can't hear you clearly
5.I bought my mother a g_____ for her birthday
答案
1.competition
2.future
3.umbrella
4.aloud
5.gift
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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