女性，21岁，反复关节红肿疼痛5年，活动后心悸气促2天入院。查体_爱下问搜题

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问题单项选择题案例分析题

女性，21岁，反复关节红肿疼痛5年，活动后心悸气促2天入院。查体：梨形心界，心率90次／分，律齐，心尖区舒张期隆隆样杂音，P2亢进；Hb90g／L。

本病例可诊断为（）.

A.风心病、二尖瓣狭窄

B.亚急性感染性心内膜炎

C.冠心病

D.左房粘液瘤

E.心肌炎

答案

参考答案：A

填空题

选用方框中的单词填空。

your, I, her, its, his, first, last, it, he, you, she, me

1. This is a boy. _____ name is Tony.
2. That is a girl. _____ name is Kate.
3. _____ am a girl.
4. Look at the cat. _____ name is Mimi.
5. His _____ name is Smith. We call him Mr. Smith.
6. My _____ name is Peter. Mom calls me Peter.
7. —What is _____ name?
—My name's Linda.
8. Nice to meet _____.
9. —What's that?
—_____ is a DVD.
10. This is Ms Green. _____ is our English teacher. That is Mr. White. _____ is our Chinese teacher.

单项选择题

ZK3-A型电空转辙机的电磁阀衔铁动程为（）mm。

A.1.8±0.2

B.1.8±0.3

C.1.8±0.4

D.1.8±0.5