2. The reason why Facebook’s stock once declined was that ________ .

　　A. Facebook was not well organized

　　B. Facebook was not well known

　　C. people lacked confidence in it

　　D. people had no interest in it【解析】选C。细节理解题。根据第二段的最后一句可知, 由于人们担心它不能从持续增长的桌面业务转向手机业务, 其股价大幅下跌。故选C。

　　3. Why did Anna Stoehr change her age when signing up for Facebook?

　　A. Because she wants to be younger.

　　B. Because Facebook refuses users of over 100 years old.

　　C. Because Facebook only offers service to young people.

　　D. Because she is beyond the age limit in Facebook.

　　【解析】选D。细节理解题。根据第四段的The earliest birth year listed on Facebook profiles is 1905. 可知, 她超出了Facebook设定的年龄限制。故选D。

　　4. Who has been teaching Anna Stoehr to learn how to use the Internet?

　　A. Her 85-year-old son.

　　B. A Verizon sales rep.

　　C. One of Anna Stoehr’s online friends.

　　D. One of Facebook’s clerks.

　　【解析】选B。细节理解题。根据第五段的内容可知, Stoehr对于科技(产品)的兴趣来源于Verizon的一个销售代表。当时这个销售代表把一部智能手机卖给了她85岁的儿子, 后来这位代表和Stoehr成了好友。自那以后, 销售代表教Stoehr如何使用互联网。故选B。

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