必修一高一英语阅读理解试题科技类

(1)Thｅ　coｍpｕter is a usefuｌ ｍachine．　It ｉｓ the mosｔ imｐoｒtaｎｔ ｉnveｎtion in ｍaｎy years. Tｈe oｌdesｔ kｉ