第12题: [多项选择]橡胶类物品的保养方法中哪项不正确( ) A. 避免骤冷骤热,防止冷热刺激而破裂 B. 避免与锐器放在一起防刺破 C. 导管避免过度扭曲 D. 煮沸消毒时应在水沸后放入物品 E. 橡胶导管不用晾干 参考答案:D,E
第13题: [单项选择]Passage Two Questions 29 to 31 are based on the passage you have just heard. A. On television. B. In a newspaper. C. At a conference. D. In a journal. 参考答案:C 答案解析:[听力原文] Where was the result of the study first made public