下列都是光源的一组是（   ）

******在2015年新年贺词中指出:2014年我们适应经济发展新常态,积极推动经济社会发展,人民生活有了新的改善……我们加强同世界各国的合作交往,主办了北京亚太经合组织领导人非正式会议,我国领导人多次出访,外国领导人也大量来访,这些活动让世界更好地认识了中国。2015年,我们要继续全面深化改革,开弓没有回头箭,改革关头勇者胜。

上述材料的内容体现了所学知识中的哪些观点?

根据括号内的汉语提示，完成句子。(每空一词)
The young man found it difficult to have dinner because some of his ____ (牙齿)had been pulled out.
Tom and Linda have been____ ( 结婚) for ten years, but they've never quarreled.
If you want to become a good Marathon athlete, you must practice ____ (跑步) every day.
He manages over 100 big companies, He is considered to be one of the most ____ (成功的) businessmen in China.
Their answers to the question were not the same, that's to say, they answered the question____ (不同地).
When you communicate with your American e-pal on the internet, the e-mails are supposed to be____ (写) in English.

图1为某蛋白质结构示意图（图中…表示二硫键），图2为由该蛋白质切下的某一片段，试判断下列有关叙述中不正确的是