51.? What does the passage say about the startups?
?【B】They want to have a share of the seniors' goods market.
該題屬于細節(jié)題，對于文中提及的startup（初創(chuàng)公司）的細節(jié)內容的考察，根據關鍵詞回文定位到第一段的首句“The market for products designed specifically for older adults could reach $30 billion by next year, and startups(初創(chuàng)公可) want in on the action”，由此可見，startups的想要做的事是想要讓一些上了年紀的客戶使用他們的產品；
52.?? ?Some entrepreneurs have been invited to Brookdale to ? ? ? .
【C】collect residents' feedback on their products
? ?該題屬于細節(jié)題，對于該題目是對 Brookdale公司邀請一些企業(yè)家的意圖，根據題干關鍵詞“ Brookdale”及“Some entrepreneurs”回文定位到第一段第三句話“So Brookdale, the countrys largest owner of retirement communication, has been inviting a few select entrepreneurs Just to move in for a few days, show off their products and hear what the residents have to say”，所以，Brookdale的意圖是想要邀請這些企業(yè)家來收集顧客對其產品的反饋；
53. What do we know about SentabTV?
【D】It is a communication system via TV instead of a computer
該題為細節(jié)題，考察文中sentabTV的細節(jié)考察，根據文中第二段第二句“The startups product, Senta TV, enables older adults who may not be comfortable with computers to access email, video chat and social media using just their televisions and a remote control”可知，sentabTV是一家為老年人提供可以替代電腦進行電子通訊的公司；
54. What does Rodriguez say is important in promoting products?
【A】Winning trust from prospective customers
該題目是對細節(jié)內容的考察。根據題干中的關鍵信息，回文定位到第五段可知“when they get to know
?me and to trust me, knowing for sure 'm not selling them something- there will be more honest feedback from them”，因此，對于推銷產品的關鍵點就是贏得客戶的信任。
55.?? ? What do we learn about the seniors in the Brookdale community?
【B】 They are quite at ease with high-tech products.
此題為推理題，對布魯克代爾社區(qū)的老人（the seniors in the Brookdale community）細節(jié)內容的推理；回文定位到第九段及第十段，根據“People are more tech-proficient than we thought”及“He might have ended up in the wrong Brookdale community. This one is located in the heart of Southern California's aerospace corridor. Many residents have backgrounds in engineering, business and academic circles”，可知這些老人對于高科技產品很在行。
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