第二节 根据短文内容，从短文后所给选项中选出能填入空白处的最佳选项。
Health management has changed over the years. 46. They would wait in long lines at the hospital to sign up and then see a doctor. Traditional Chinese medicine depended on methods like looking, listening, asking, and feeling the heartbeat. Doctors would write traditional medical instructions（用法说明）based on their judgment（判断）.
However, nowadays, technology has brought about great changes. 47. People can talk to doctors online, saving a lot of time and effort. 48. They can check people's physical conditions, such as heart rate and sleep quality.
49. When a patient gives symptoms（症状）, it can analyze（分析）a large amount of medical data and give correct diagnostic results. These new ways of health management not only make health care easier to get but also improve the effectiveness（效力）of medical services. 50.

46. D 47. B 48. E 49. C 50. A

【分析】
本题为七选五题型，需结合文章主旨和上下文语境选择合适选项。解题思路：先通读全文把握“健康管理随科技发展变化”的主旨，再逐个分析每个空白处的前后句，匹配对应选项：46空后讲过去就医的情况，对应D；47空后讲在线交流就医，对应B；48空后讲监测身体状况，对应E；49空后讲AI诊断，对应C；50空是总结，对应A。
【解析】
46. 空格后描述了过去人们在医院排队挂号看医生的情况，D选项“In the past, people had to go to the hospital in person for medical treatment”正好对应过去就医的场景，符合语境，故选D。
47. 空格后提到人们可以在线和医生交流，节省时间精力，B选项“Online communication has become a common practice”说明在线交流已成为常见做法，与下文在线就医的内容衔接紧密，故选B。
48. 空格后提到能检查心率、睡眠质量等身体状况，E选项“Smart bands have also become popular”中智能手环可监测身体状况，与下文内容对应，故选E。
49. 空格后提到AI分析症状给出诊断结果，C选项“AI diagnosis is another remarkable development”点明AI诊断的发展，与下文内容衔接，故选C。
50. 空格前总结了新健康管理方式的好处，A选项“We should make full use of these modern tools”是对全文的总结，符合逻辑，故选A。
【答案】
46.D 47.B 48.E 49.C 50.A
【知识点】
阅读理解之七选五，上下文衔接
【点评】
本题考查学生对文章上下文逻辑关系的理解与运用，需结合语境匹配选项，难度适中，能有效考查学生的语篇理解能力。
【难度系数】
0.6