题目内容

An expert system is a software that(1)specialist knowledge about a particular domain of(2)and is capable of making(3)decisions within that domain. Although expert systems typically focus on a very narrow domain, they have achieved dramatic success with(4)problems. This has excited widespread interest outside the research laboratories from which they emerged.
Expert systems have given rise to set of "knowledge engineering" methods constituting a new approach to design of high performance software system. This new approach represents an(5)change with revolutionary consequences.
供选择的答案：
(1) develops (2) directory (3) effect (4) encapsulates (5) evolutionary
(6) experience (7) expertise (8) intelligent (9) real-time (10) real-life

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It is traditional when dealing with languages of all sorts to try to separate concerns with(1), the subject of syntax, from concerns with(2), the field of semantics. Consider the simple "language" of binary numerals. Some examples of binary numerals are
1
101 101
11001 101111
A communication in this language evidently consists of afinite sequence of characters “0”、“1". This is just syntax however, and says(3)about what such a communication is intended to mean.
Numbers are"(4)" mathematical concepts, whereas the digit strings that appear on paper are numerals, that is to say,(5)representations or descriptions of numbers.

In(1)software, one question of near-universal interest is how rapidly Windows NT, which began shipping last summer, will be(2)in the marketplace and for what uses. For the most part, observers are(3)the operating system's long term prospects, but expect it to remain on(4)rather than desktops during 1994, saying that it won't become a mainstream product until(5)PCs typically have 16 to 24 MB of RAM, which is unlikely to happen next year.
供选择的答案：
(1) applications (2) accepted (3) clients (4) enthusiastic (5) servers
(6) desktop (7) systems (8) replaced

(1)whether to go with a shared or switched fast LAN technology once you start to max out your shared Ethernet of token-ring LAN is tough call. Users and analysts involved in(2)high-speed LANs have leamed the benefits of each. However there are trade-offs to each, and(3)which fast LAN technology to choose is critical for(4)network performance problems and(5)costly purchasing mistakes.
供选择的答案：
(1) avoiding (2) clipping (3) choosing (4) deciding
(5) dissolving (6) ensuring (7) evolving (8) implementing
(9) knowing (10) solving

The most accurate and most boring way to(1)Java is that it is a new computer programming language developed by Sun Microsystems that creates(2)independent programs that can be distributed and run remotely. To run Java programs,a computer must have a Java interpreter. Currently(3)Java programs are small "applets" that are(3)as part of web pages.
When you use a Java(4)browser to view a Web page that includes a Java applet, the browser loads the applet onto your computer through your modem or network. Then the Java interpreter runs the applet, which could include animation or sound, on your computer rather than transmitting the code bit by bit over Internet. Afew thousand bytes of Java code can turn into a powerful program on your computer.
So an applet could include(5)with Java interpreter.