[解析]
(1)A.细节理解题.根据It also face the challenge of competing with the Airbus A320 and the new Boeing B737.可知它还面临着与空客A320和新波音B737竞争的挑战.故选A.
(2)B.细节理解题.根据 On May 5th, 2017, at Shanghai Pudong International Airport, Chin's first large homemade jet airliner,he C919, took of successfully for the first time.可知2017年5月5日,在上海浦东国际机场,中国首架大型国产喷气式客机何C919首次成功升空.故选B.
(3)C.主旨大意题.根据China has made great progress in both science and technology. And it makes a great contribution to human, too.中国在科学技术上都取得了巨大的进步,也为人类做出了巨大的贡献.可知为了告诉人们中国的国际影响力日益增加.故选C.