D．People who like taking selfies know more about their facial expressions.

　　解析：选C　细节理解题。根据倒数第三段中的“He showed people ... more attractive version.”可知，人们往往认为自己的容貌要比实际上有魅力得多。故C项正确。

　　15．According to Kilner, people like taking selfies probably because they think ________.

　　A．it is a good chance to learn more about their actual faces

　　B．it is a way to respond to others facial expressions correctly

　　C．it enables them to interact with their friends in social media

　　D．it allows them to satisfy their expectations with their appearances

　　解析：选D　细节理解题。根据最后两段中的“that better matches our expectations with our actual faces”和“Selfies allow you ’to keep taking pictures until you manage to take one you’re happy with’”可知，自拍能够让我们实际的容貌与期望的一致，即满足对于自我容貌的期待。故D项正确。

　　Ⅱ.阅读七选五

　　(2016·江西八所重点中学联考)We all face quantities of stress in a day­to­day living, whether at work, at home, or anywhere in between. __1__ Heres how stress can help us on an everyday basis.

　　•Sharpening your memory.

　　Did you ever notice that sometimes when you are stressed, your memory seems to improve? Remember that test you passed where the answers seemed to come out of nowhere? __2__ It’s because of stress hormones (荷尔蒙) that increase your alertness when its most needed.

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