[解析]
(1)主旨大意题。根据文章第二段If a movie star engages in acts that the society does not approve,those who look up to them,especially the teens,will do the same.Movie stars should be responsible for what they do and say as following the actions is now simpler because of social media.It is important to behave like a role model even when they think no one is watching. (如果一个电影明星从事社会不认可的行为,那些仰慕他们的人,尤其是青少年,也会这样做。电影明星应该对自己的言行负责,因为社交媒体现在更简单了。即使他们认为没有人在看,也要表现得像一个榜样,这一点很重要。)可知,本段主要讲述了电影明星的行为对他们的粉丝有很大的影响,故选D项。
(2)推理判断题。根据文章第三段中They may not have been good role models at the time,but they can change the narrative by doing the right things.They can also turn the past shortcomings into positives by opening up about problems and how they overcame the challenges. (他们当时可能不是好的榜样,但他们可以通过做正确的事情来改变。他们还可以通过敞开心扉谈论问题以及他们如何克服挑战,将过去的缺点转化为积极的一面。)可知,电影明星可以通过做正确的事来克服问题、战胜困难,故选B项。
(3)细节理解题。根据文章最后一段中It would be wrong to promote something like sweetened drinks or foods without health benefits. (推广甜味饮料或对健康没有好处的食物是错误的。)可知,作者建议电影明星们不要去推销此类产品。故选D项。
(4)目的意图题。通读全文,结合文章第一段中The power gives them an ability to change people,events,even history,making them to have the responsibility of being good role models. (这种力量赋予他们改变人、事件甚至历史的能力,使他们有责任成为好榜样。)及最后一段中Movie stars face problems like other people,but because of their influence,they have a responsibility to be role models in the public eye. (电影明星像其他人一样面临问题,但由于他们的影响力,他们有责任成为公众眼中的榜样。)可知,作者通过本文想要呼吁电影明星为公众树立良好的榜样,这是他们的责任,故选C项。