"If you agree with me， please 'Dian Zan'． "is one of the most popular sentences 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 （2） 　　that you agree with someone or praise someone．

"Dian Zan"is a kind of Internet language．People（3） 　　use it when they surf the Internet． There is a function （功能） of "Dian Zan" in the QQ space． The QQ space has had the function （4） 　　2010． It didn't become very popular until Sina blog（5） 　　　　the function of "Dian Zan"． In the recent years， it has become more and more popular． When the 2015Spring Festival came， Chinese leader Xi Jinping used the words "Dian Zan" to praise and （6） 　　his thanks to the great Chinese people．

Websites can know how many people support some ideas（7） 　　counting how many people click the praise sign． Experts （专家） can know （8） 　　teenagers 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） （10） 　　thing． Have you ever clicked the sign for anybody on the Internet？

（1）A． wonderful	B． terrible	C． hard	D． awful
（2）A． offers	B． takes	C． means	D． avoids
（3）A． hardly	B． luckily	C． silly	D． mainly
（4）A． until	B． since	C． when	D． after
（5）A． broke	B． checked	C． refused	D． started
（6）A． prevent	B． express	C． create	D． receive
（7）A． by	B． on	C． at	D． under
（8）A． that	B． where	C． what	D． when
（9）A． plans	B． examples	C． problems	D． fairness
（10）A． difficult	B． easy	C． tired	D． upset