第11题: [单项选择]Questions 33 to 35 are based on the passage you have just heard. A. Equivalent to a hydrogen bomb. B. Equivalent to tons of TNT. C. Equivalent to tons of hydrogen bombs. D. Equivalent to a ton of TNT. 参考答案:A 答案解析:[听力原文] 33-35 Thunderstorms are the least dangerous and least violent of all the storms. Almos
第12题: [单项选择]风湿性心脏瓣膜病主动脉瓣关闭不全不出现 A. DeMusset征 B. Austin-Flint杂音 C. Graham-Steell杂音 D. Quincke征 参考答案:C
第13题: [单项选择]胃酸分泌增多最明显的疾病是 A. 慢性胃窦炎 B. 胃癌 C. 慢性胃体炎 D. 十二指肠溃疡 E. 胃溃疡 参考答案:D