问题描述：
[单选]
烟气脱硫催化氧化法可回收制成硫酸和（）
A．硫磺
B．硫酸铵
C．硫酸钙
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答案解析：无
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答案解析：无
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下一篇：Personal information of Jack MaBirth year( )1964Birth place( ) Hangzhou， Zhejiang， ChinaPosition( ) Co-founder and executive chair of the Alibaba Group， one of China’s richest menIf you are an Internet shopper， you must know one person—Jack Ma（ Ma Yun ）．He founded（ 成立 ）the world’s largest e-commerce company Alibaba．Jack Ma was an English teacher in Hangzhou．He got to know the Internet for the first time when he went to the US for a trip in 1995．He saw it as a big chance．He started his online business after he returned．At that time， few people in China knew what Internet was．Buying things online sounded so much like a daydream．Many people called him “Crazy Jack Ma”．When Jack Ma first started Alibaba， the times were hard．There were only 17 friends working with him．And they didn’t have much money．Every time Jack Ma got upset， he watched the film Forrest Gump（ 《阿甘正传》 ）．It encouraged him to keep going．Jack Ma often says， “Everybody should have a dream．What if that dream comes true？”Alibaba has popular websites like Taobao and Tmall．It makes even more money than many other famous e-commerce sites like Amazon of the US．Ma’s dream has come true．He is also the president of Hupan College in Hangzhou now．He tries to help young business people to pursue（ 追求 ）their dreams．（）1．Jack Ma is years old this year．
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