第20题: [单项选择]{{I}}Questions 11 to 13 are based on the following dialogue.{{/I}}What happened to Bob’s boy, Billy A. He sprained an arm. B. He injured an elbow. C. He hurt a knee. D. He broke a leg. 参考答案:D 答案解析:[精解] 细节题。对话中很明白地提到"Billy fell down and broke his leg a few months ago(几个月前Billy摔断了腿) ",因此正确答案是[D]。
第23题: [单项选择]微囊的质量要求不包括()。 A. 囊形与粒径 B. 载药量 C. 包封率 D. 微囊中药物释放速率 E. 含量均匀度 参考答案:E 答案解析:本题考查要点是“微囊的质量要求”。微囊的质量要求包括:①微囊的囊形;②粒径;③载药量与包封率;④微囊中药物释放速率。因此,本题的正确答案为E。