填词补文下面的短文有 10处空白，短文后列出 12个词，其中 10个取自短文，请根据短文内容将其分别放回原有位置，以恢复文章原貌，并将所选答案的代码（指A、B、C、D、E、F、G、H、I、J、K或L）填在答题纸的相应位置上。Business English HelpsEnglish plays an important role in the workplace. When it is used in the correct and proper 31 , it can help to promote a career or a business. Some may 32 or want to study business English 33 they start their careers. Those who are already working have the 34 to see what they can and cannot do 35 in English in their current job.Business English provides you with valuable skills needed for your work. For example, you will learn 36 to negotiate. Being able to deal with a 37 and knowing how to bargain and38 an agreement can make a 39 difference to the outcome.Business English learning encourages professional and efficient communication, and promotes service to customers and business partners, 40 is a great advantage for any business.A. bigE. reachI. wayB. needF. whichJ. howC. whatG conflictK. smallD. beforeH. effectivelyL. opportunity

完形补文（第 41-50题，每题 1.5分，共 15分）下面的短文有 10处空白，每处空白后的括号内有一个词，请根据短文内容将其正确的形式填入文中，以恢复文章原貌，并将答案写在答题纸的相应位置上。Silent ListeningIf something bad just happened (happen) to your friend, what would you do? Would you mention it to him and say you feel sorry about it? Would you offer support or advice? According to Ruth Clark, such 41 (treat) could mean well, but it might not be what he 42 (real) wants or needs.Clark asked some college students to imagine some43 (pleasant) situations, e.g., a low exam grade or the dad’s 44 (lose) of his job. The students were then 45 (ask) how they would like to be treated by a friend who learned of the bad situation from someone else. The results were a little 46 (surprise). Some said they would want and expect their friend to mention the 47 (annoy) situation, but most of the students in the study 48 (respond) that they would like the friend not to do it. The students made the 49 (decide) for themselves whether to discuss their problem with a friend. So, there is value in being a silent 50 (listen) around a troubled friend.

一个完整的计算机系统包括( )。

A. 主机、键盘、显示器
B. 计算机及其外部设备
C. 系统软件与应用软件
D. 计算机的硬件系统和软件系

计算机硬件由运算器、____、____、____和____组成。

运算器的作用是____和____。