shout out
题目
shout out
ERIC NIVISON,CNN STUDENT NEWS:Time for the Shoutout!What is the chemical symbol for lead?If you think you know it,shout it out!Is it:A) Ld,B) Fe,C) Le or D) Pb?You've got three seconds -- GO!The symbol for lead is Pb,an abbreviation of the Latin word for the element,plumbum.That's your answer and that's your Shoutout!
chemical symbol for lead?和shout out是什麽东西?
答案
chemical symbol for lead
铅的化学元素符号
shout out
本意是大声说出来或喊出来.
但在竞猜节目中,它是求助热线的意思.
（记得《开心辞典》中的三种求助方式吗?）
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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