题目内容

从供选择的答案中选出应填入下列英文语句中______内的正确答案。
The UNIX system contains several()that comply with the definition of a software tool. Among them are programs that(2)and manipulate text, programs that analyze text files,and programs that format text files to produce high quality hard copy suitable for(3).
One characteristic ofthese tools is that they operate on ordinary text(4), which means that you can read the input and output files by simply listing them on a(5)．
供选择的答案：
(1) terminal (2) keyboard (3) programs (4) programming (5) files
(6) directories (7) create (8) build (9) publication (10) painting

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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.

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