确的(right)事情，故C项正确。

　　13．B　考查名词词义辨析。根据本空前的"Giving to others helps lessen"可知，此处是说帮助他人缓解生活中的两大压力(stress)，故B项正确。

　　14．B　考查名词词义辨析。根据本空后的"self­centeredness"可知，此处是说物质主义强调(emphasis)自我为中心，故B项正确。

　　15．A　考查动词词义辨析。根据文中的"advertisers"可知，此处是说广告(advertising)的狂轰滥炸，故A项正确。

　　16．B　考查动词词义辨析。根据本空后的"to 'need' the next cool gadget(小玩意), pair of sports shoes, or toys. "可知，广告的狂轰滥炸鼓励(encourage)我们买东西，故B项正确。

　　17．A　考查副词词义辨析。上文说广告的狂轰滥炸鼓励我们买东西，此处是说我们的孩子特别容易(easily)受其影响，故A项正确。

　　18．D　考查名词词义辨析。根据本空后的"terrifying images of violence and chaos"可知，坏新闻的过度曝光会引起恐惧(fear)，故D项正确。

　　19．B　考查动词词义辨析。根据本空后的"These tragic events upset our children and can leave them feeling powerless and sad. "可知，暴力和脏乱的画面很难避免(avoid)，故B项正确。

　　20．A　考查名词词义辨析。根据本空后的"But we can combat their influence by teaching our children to give their time and talents to help others"可知，此处是说我们虽然不能让孩子们免受这些现实(reality)的冲击，但可以通过教他们帮助他人来对抗这种影响，故A项正确。

　　Ⅲ.语法填空

　　(2017·辽宁省沈阳市高三模拟)

　　Welcome back to the hot topic of studying abroad! Last time, we talked about the general "software" needed to have a __1__ (success) studying experience overseas, __2__ refers to the ability to understand western culture, and problem solving skills when __3__ (face) critical situations, etc.

　　Now, I will dig deeper into the concept of "software". Everyone is talking about culture shock nowadays, but you may wonder what it actually __4__ (mean). Simply put: culture shock is the difficulty people may experience when being exposed and adjusting to a __5__ (remarkable) different new culture. Usually, people often go __6__ four distinct phases: the honeymoon phase, the negotiation phase, the adjustment phase and the mastery phase. Culture shock can happen immediately upon your __7__ (arrive) in the country.

For international students, perhaps the most direct impact of culture shock is the variety of accents, especially in multicultural countries __8__ the U．S. Canada or Australia. There are two main reasons: Firstly, these countries have highly diversified groups of residents from different cultural __9__ (background). Secondly, there are many international students from all around the world every year studying in these countries, so you shouldn't be surprised __10__ (find) all kinds of unfamiliar accents around the university campus.