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从下面提供的答案中选出应填入下列英文语句中______内的正确答案。
Mobile computers—which(1)laptops, notebooks, subnotebooks and handhelds—(2)so ubiquitous in such a short time, no surprise to hear who say:"It will define the leading edge(3)the next five years or so."The most remarkable(4)mobile computers is the amount of data storage and memory packed(5)their tiny boxes. These devices not only handle windows easily but also run storage-hungry programs.

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从下面提供的答案中选出应填入下列英文语句中______内的正确答案。
One of the guidelines in writing the C code for a software tool is as follows: write code that is as clear and as simple as(1). The C language can be difficult to read if you combine all(2)features in a single statement. Break complicated(3)into several easy-to-understand statements for the(4)ofreadability. This style helps to make your programs more(5)and error-free. 供A～E选择的答案：
(1) readable (2) reusable (3) possible (4) semantic (5) syntactic
(6) constructions (7) safe (8) impossible (9) sake (10) structure

Grandmother carried on alone for a few bars; then her voice trailed away.

选出应填入下面一段英语中______内的正确答案。
Although the bulk ofindustry resources and energies have focused on developing the fastest(1)or slickest(2), more and more mindshare is turning to the evolution of the computer interface. Advancements in the areas ofinput device,(3)processing and virtual reality could lead to fundamental changes in the way human and computer interact. The technological battlefield of the future will be adding layers between the user and the raw machine to make the(4)as invisible as possible.(5)represents the next evolutionary step for the interface.
供选择的答案：
(1) voice (2) microprocessor (3) GUI (4) workstation
(5) application software (6) operating system
(7) interface (8) DBMS (9) virtual reality (10) eye-tracking device

The rise of multinational corporations, global marketing, new communications technologies, and shrinking cultural differences have led to an unparalleled increase in global public relations or PR.
Surprisingly, since modern PR was largely an American invention, the U.S. leadership in public relations is being threatened by PR efforts in other countries. Ten years ago, for example, the world's top five public relations agencies were American-owned. In 1991, only one was. The British in particular are becoming more sophisticated and creative. A recent survey found that more than half of all British companies include PR as part of their corporate planning activities, compared to about one-third of U.S. companies. It may not be long before London replaces New York as the capital of PR.
Why is America lagging behind in the global PR race？ First, Americans as a whole tend to be fairly provincial and take more of an interest in local affairs. Knowledge of world geography, for example, has never been strong in this country. Secondly, Americans lag behind their European and Asian counterparts in knowing a second language. Less than 5 percent of Burson-Marshall's U.S. employees know two languages. Ogilvy and Mather has about the same percentage. Conversely, some European firms have half or more of their employees fluent in a second language. Finally, people involved in PR abroad tend to keep a closer eye on international affairs. In the financial PR area, for instance, most Americans read the Wall Street Journal. Overseas, their counterparts read the Journal as well as the Financial Times of London and The Economist, publications not often read in this country.
Perhaps the PR industry might take a lesson from Ted Turner of CNN (Cable News Network). Turner recently announced that the word "foreign" would no longer be used on CNN news broadcasts. According to Turner, global communications have made the nations of the world so interdependent that there is no longer any such things as foreign.