第2题: [单项选择]I went there in 1984, and that was the only occasion when I_______the journey in exactly two days. A. must make B. must have made C. was able to make D. could make 参考答案:C 答案解析:本题译文:我1984年去了那里,那也是我惟一一次有机会能够刚好在两天内完成旅行。本题考查情态动词的含义和用法。本句是陈述过去事实,而A.must多指现在或将来的情况,一般不用来表示过去必须做某事,据此
第18题: [单项选择]犬库兴氏综合征的典型临床特征是() A. 多饮、贪食、消瘦、多动、全身脱毛 B. 多饮、多尿、肥胖、倦怠、全身脱毛 C. 贪食多尿、皮薄腹大、皮肤黑头粉刺、对称性脱毛 D. 贪食多尿、皮厚腹大、皮肤色素沉着、全身性脱毛 E. 贪食多饮、皮肤红斑、皮肤干燥瘙痒、对称性脱毛 参考答案:C