Which electronic game do most people like A. Cops. B. Road Racer. C. Dark Enemy. 参考答案:B 答案解析:[听力原文] M1: There seems to be an increasing demand for electronic games of all kinds. M2: Yes,
第20题: [单项选择]维生素C制剂色泽变黄后 A. 不影响质量 B. 增加剂量使用 C. 属正常情况 D. 与维生素B2同服 E. 不可应用 参考答案:E