to cost thousands of dollars for each vehicle. Today's new cars emit less than 2…

題目

to cost thousands of dollars for each vehicle. Today's new cars emit less than 2 percent asmuch smog-forming pollution as the cars of 1970, and the cars are still as affordable today as they were then. Acid-rain control has cost about 10 percent of what was expected in 1990, when Congress A. predicted B. instructed C. described D. emphasized48

官方答案

• 答案：A. predicted

解析

空格位於被動結構 were ___ to cost thousands of dollars 中，後面接不定詞 to cost，語意為「原本預估每輛車要花費數千美元」，predicted（預估、預測）最合。instructed 指「指示」、described 指「描述」、emphasized 指「強調」，都無法與 to cost 搭配出「被預估會花費」的意思。全句在對比當年預估成本與今日實際成果，故選 A。

AI 參考解析（推得答案已與官方答案比對一致），非官方公告內容，僅供備考參考。

官方資料

• 官方試題 PDF
• 官方答案 PDF

答案以考選部公告之測驗式試題標準答案 PDF 為準。