We can infer from Paragraph 1 that______.
A．Dr. Bollen has examined all the Internet data of 2008 to do his research
B．tweets of one person is totally boring, even to his/her friends
C．one Tweeter user's feeling cannot represent America's collective mood
D．Tweeter users' mood in the second half of 2008 accorded with the country's events

未分类题By mentioning Hal Varian, the author intends to state that______.A．his finding has aroused thinking and research on predictions based on Internet dataB．his finding has predicted the increase of unemployment rateC．his finding has forecast the price fluctuation of certain productsD．his finding has been highly valued by being published on newspaper

未分类题In paragraph 1, '... student lending has increased in breadth as well as depth' means______.A．there are a greater number of student loans than beforeB．student loans are for higher amounts of money than beforeC．more total money is owed by students than beforeD．there are more student loans than before and the total money owed is more than before

单项选择题与计算机内存容量密切相关的是（）

A.数据总线位数
B.CPU管脚数
C.硬盘容量
D.地址总线位数

未分类题下面()操作系统是开放源代码的。 XP

未分类题The underlined word 'inadvertent' in paragraph 4 most probably means______.A．unintendedB．adamantC．impotentD．omnipresent