“If you agree with me，please Dianzan.”Do you know Dianzan is one of the most popular words on the Internet？When you think someone's ideas are right，when you think someone's articles are 1，or when you are moved by what someone writes，you can

    click （点击）the praise sign. Anyhow，clicking the praise sign 2that you agree with someone or praise someone.

    Dianzan is a kind of Chinese Internet language.People 3 use it when they surf the Liternet.There is a function（功能）of Dianzan in the QQ space.The QQ space has had the function 42010.It didn't become very popular until Sina blog（新浪博客）5the function of Dianzan.In recent years，it has become more and more popular.When the 2015 New Year came，Chinese leader Xi Jinping used the word Dianzan to praise and 6his thanks to the great Chinese people.

    Websites can know how many people support some ideas 7counting how many people click the praise sign.Experts can know 8teenagers are caring about through what they click the sign for.That can help them solve teenagers'9.

    Clicking the praise sign is really a（n） 10thing.Have you ever clicked the sign for anybody on the Internet

常用的体积单位有____、____、____；计量液体的容积，常用单位有____、____。

据《晚清史》记载，1843年以后，广州对英国进出口贸易总值明显下降，而上海则逐年上升，并于1853年超过广州。这一现象与下列近代不平等条约的哪一条款直接相关（ ）