The main point of paragraph 4 is______.
A．those who need a college education most are having the most difficulty getting it
B．student loans are improving access to education for all
C．high-income families benefit most from student loans
D．low to moderate-income families benefit most from student loans

未分类题We can infer from Paragraph 1 that______.A．Dr. Bollen has examined all the Internet data of 2008 to do his researchB．tweets of one person is totally boring, even to his her friendsC．one Tweeter user's feeling cannot represent America's collective moodD．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