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Social networking isn't only for the under 40s. More than 25 percent of Americans 50 years and older stay connected using sites such as Facebook, MySpace and Twitter, according to new research. 'The latest data tells us that more and more social networking is becoming a part of everyday life for Americans 50 plus,' said Kevin Donnellan, the chief communications officer at AARP, which released the report. Nearly a quarter of older Americans are on Facebook and 73 percent said they use it to stay in touch with relatives, but not just their children and grandchildren. 'They are using the Internet to keep up with the world and the people who are important to them,' said Jean Koppen, the author of the report. She added that older adults are also on Facebook to stay connected, not only with their family, but with their friends and peers. Almost 50 percent of older adults were introdu ced to the social networking sites by a family member, mainly a child or grandchild. 'Just under one-fifth of adults aged 50 and older say they do not use the Internet,' according to the report. The findings are based on a telephone survey of 1,863 adults. In addition to keeping up on Facebook and Twitter older adults are also aware of the latest technology. Eighty-three percent had heard about the Apple iPad and 11 percent intended to buy one. 小题1:What’s the main idea of the passage? A.       Social networking isn’t for the under 40s in the U.S.A. B.       American old people’s way of life is quite fashionable. C.       The Internet is also popular among the American over 50s. D.       Facebook, MySpace and Twitter are hot websites in America. 小题2:Which of the following statements is TRUE according to the passage? A.Nearly 2000 adults took part in the survey on line. B.The over 50s were introduced to the Internet by the young. C.About 20% of adults aged 50 and older don’t like the Internet. D.Many Americans 50 plus stay connected using the Internet. 小题3:What’s the underlined s entence used for? E.                   It’s used as a reason for the popularity of the Apple iPad in America. F.                   It’s used as an example of the older adults’ awareness of the latest technology. G.                  It’s used as a suggestion to the readers who are interested in the IT products. H.                  It’s used as a choice for the Americans intending to use Social networking. 小题4:Where can we most probably read this passage? I.                     In an experiment introduction. J.                    In a computer magazine. K.                  In a product advertisement. In a news report
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【单选题】按Crl+空格组合键可实现文本输入法( )的自由切换
A.
中/英
B.
下一个输入法
C.
五笔输入法
D.
拼音输入法
【单选题】毛泽东领导全党和全国人民积极探索适合中国国情的社会主义建设道路,提出了一系列具有战略意义的正确思想和方针。其中在科学文化工作中实行
A.
“长期共存、互相监督”
B.
“团结一批评一团结”
C.
“百花齐放、百家争鸣”
D.
“统筹兼顾、适当安排”
【单选题】血液分析仪测定血红蛋白采用的是( )
A.
光散射原理
B.
光衍射原理
C.
光电比色原理
D.
投射比浊原理
【简答题】小丽乘出租车从体育馆到少年宫,出租车行驶了4.5km.如果出租车的收费标准为:行驶路程不超过3km收费7元,超过3km的部分按每千米加1.8元收费. (1)请帮小丽用代数式表示出租车的收费m元与行驶路程skm(s>3)之间的关系; (2)小丽身上有10元钱,够不够付车费呢?
【单选题】货币的本质是( )。
A.
偶然地充当一般等价物的商品
B.
固定地充当一般等价物的商品
C.
能够用于交换的商品
D.
固定不变的商品
【单选题】以下哪种不是心电试验的绝对禁忌证()
A.
室上性心动过速
B.
三度房室传导阻滞
C.
急性心内膜炎
D.
怀疑主动脉瘤
E.
高血压病
【单选题】血液分析仪测定血红蛋白采用的是
A.
光散射原理
B.
光衍射原理
C.
光电比色原理
D.
透射比浊原理
【单选题】在内存管理中,采用覆盖与对换技术的根本目的在于( )。
A.
节省主存空间
B.
物理上扩充主存容量
C.
提高CPU效率
D.
实现主存共享
【多选题】实施紧的货币政策的手段有多种,其中包括诸如()
A.
减少货币供应量
B.
提高利率
C.
加强信贷控制
D.
降低利率
【简答题】在标记之间和标记之间都可以声明变量,它们的区别是什么?
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