第18题: [单项选择]{{B}}Passage One
Questions 26 to 28 are based on the passage you have just heard.{{/B}} A. For the completion of required assignments. B. For passing given examinations. C. For the good of gaining knowledge. D. For the sake of high grades. 参考答案:C 答案解析:[听力原文]26-28
Many teachers believe that the responsibility for learning lies with the students. I
第31题: [单项选择]男,65岁,慢性萎缩性胃炎10余年,1个月来食欲缺乏、消瘦,首先应除外()。 A. 功能性消化不良 B. 胃癌 C. 胃溃疡 D. 慢性胰腺炎 E. 反流性食管炎 参考答案:B 答案解析:慢性萎缩性胃炎常伴有肠上皮化生,可以逐渐演变为异型增生,出现癌变,故老年萎缩性胃炎病人出现消瘦,应警惕胃部的发生。