第37题: [单项选择]{{B}}Passage One
Questions 26 to 28 are based on the passage you have just heard.{{/B}} A. Movies with sound, B. The radio. C. Nylon. D. The computer. 参考答案:C 答案解析:[听力原文]
Which was an important invention in the 19th century
信息明示题。文章第三段指出,相机、电灯和无线电是19世纪的伟大发明,故