患者，男性，21岁。3岁时患过麻疹。近4年来反复咳嗽，咳大量痰。1周前出现咯少量鲜血。2天前出现高热。下列检查可帮助明确诊断的是（）
A.痰培养
B.肺功能检查
C.胸部高分辨CT
D.血气分析
E.纤维支气管镜检查
参考答案：C
解析：患者年轻男性，反复咳嗽、咳痰4年，出现咯血伴发热，首先考虑支气管扩张继发感染，胸部高分辨CT有助于明确诊断。
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| It is the middle of the day. Mother and Jack at table for 1 . There is some rice, bread and meat 2 the table. "I don't like any 3 . I don't want to eat it." says Jack. Mother says, "All right. Don't 4 it." After lunch mother goes to work in the field(田地) and Jack goes to school. 5 supper mother gives a bowl of rice to Jack again. "Oh, it is great!" says Jack. "It is the same rice." says Mother. "Is that so?" asks Jack. | |||
| ( )1. A. breakfast ( )2. A. in ( )3. A. bread ( )4. A. eat ( )5. A. At | B. lunch B. under B. meat B. give B. For | C. supper C. on C. rice C. want C. Have | D. eat D. behind D. noodles D. like D. Has |