While most recemt attemtion in the AI field has been focused on expert system software, AI { A } has also seen dramatic advances. Activity, In the past years was characterized by new low-cost, powerful LISP machines, the introduction of AI workstations, LISP compilers becoming available for all major professional and engineering workstations, and the personal computer emerging as a { B }tool for expert system development. The next few years will see this technology evolves further.

　　Because the{ C } of an AI computer represents a sizeable investment, companies should carefully { D } all options that are available as well as have a good idea of what the next generation of systems will offer in order to { E }the optimum system. This publication provides the Information necessary to gain this understanding.

　　供選擇的答案

　　A～E：①choice ②read ③importan ④software

　　⑤hardware ⑥significant ⑦emergence ⑧survey

　　⑨purchase ⑩select

　　【解析】

　　參考譯文：當AI領域最近的注意力集中于專家系統軟件時，AI硬件也顯示出巨大的進展。過去一些年的活動有下述特征：新的低價格和強功能的LISP機、引進AI工作站、LISP編譯器可用于所有主要的專業或工程工作站以及個人計算機作為專家系統開發的值得注意的工具出現。最近幾年將會看到這個技術的進一步演變。

　　因為購買一個AI計算機意味著一筆相當在的投資，公司為了選擇一個***系統應仔細地考查所有可用的選擇，并對下一代系統將提供什么有一個好的想法。本文對了解這些東西提供了必要的信息。

　　【答案】A：⑤ B：⑥ C：⑨ D：⑧ E：⑩