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问题 单项选择题

第三代移动通信系统（3rsGeneration，简称3G）比目前正使用的第二代系统有更大的系统容量和更好的通信质量，而且能在全球范围内更好地实现无线漫游，为用户提供包括语音、数据以及多媒体等在内的多种业务。3G标准主要有以下三种：WCDMA，CDMA2000与TD-SCDMA。根据以上文字，我们可以推断接下来主要介绍的内容是（）。

A．3G的各种业务及其优势

B．3G对于移动通信的意义

C．第二代通信系统与第三代通信系统的比较

D．介绍WCDMA，CDMA2000与TD-SCDMA的技术原理与模式

答案

参考答案：D

解析：

选项A、C在文中可以直接找到，即已经在文中介绍过了，B选项与文中最后一句衔接不上。通过文中最后一句可以推断出下面的话将围绕3G业务来阐述。所以选项D正确。

填空题



If you find you spend more than you make, there are only two things to do: decrease your spending or (1) . It’s often easiest to decrease expenditures, because your expenses tend to be more (2) . There are as many ways to (3) as there are people looking to save it. For example, you may pool your resources with friends, or (4) only during sales, or even live more simply. But (5) that saving money should not necessarily be an end in itself. Don’t (6) of ways to save a dime, and don’t get upset about situations where (7) to spend money. The goal is to bring your budget into balance, not to become a tightwad who keeps (8) of every penny and feels that spending money is a (9) . It is important to remember that budgets may be (10) not only by decreasing expenditures, but also by increasing income. (11) to increase income is to get a (12) if you don’t already have one.
Many students work during college. Although working adds to the (13) you will face, it does not mean that your grades will necessarily suffer. In fact, many students who work (14) than those who don’t work, because those with jobs need to be (15) . Considering part-time work is often a better (16) for dealing with budget shortfalls, than taking out a loan. Because student loans are (17) , it’s easy to use them as a crutch. Loans can be of help (18) or if you couldn’t afford to attend a college without them. If you do (19) , remind yourself: one day soon you’ll have to (20) with interest.
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单项选择题

区域发展的核心是( )。

A．城市
B．文化
C．人才
D．交通
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