求一个英语情景3分钟左右短对话 俩人的
题目
求一个英语情景3分钟左右短对话 俩人的
情景如下：
Buying A Present
Make a conversation between a customer and a shopkeeper based on the situation given below.
Situation: A customer is buying a present for his friend’s birthday. He asks the shopkeeper for advice and at last chooses a present. The customer tries to negotiate with the shopkeeper to get a reasonable price.
希望不要出现太多生僻的单词
答案
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