问题
单项选择题 A1/A2型题
确定肺结核是否为传染源的最主要的依据是（）。
A.血沉检查
B.X线检查
C.痰结核菌检查
D.结核菌素试验
E.血结核抗体检查
答案
参考答案：C
解析：结核病的传染源主要为继发性肺结核患者。由于结核分枝杆菌主要是随着痰液排出体外而播散，因而痰里查出结核分枝杆菌的患者才有传染性，才是传染源。
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确定肺结核是否为传染源的最主要的依据是（）。
A.血沉检查
B.X线检查
C.痰结核菌检查
D.结核菌素试验
E.血结核抗体检查
参考答案：C
解析：结核病的传染源主要为继发性肺结核患者。由于结核分枝杆菌主要是随着痰液排出体外而播散，因而痰里查出结核分枝杆菌的患者才有传染性，才是传染源。
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| Mr Black was once a policeman. He was a kind person. He liked to have a walk in a park after breakfast. It was very cold 1 a winter morning. Mr Black was walking along the street when he heard a 2 for help. He turned around but could 3 nobody. He stopped and looked here and there. At the moment, a boy ran to him. The boy was in such a hurry 4 he couldn't say a word except 5 towards the river in the park. Mr. Black ran to the direction as fast as possible. 6 of them ran along the river and saw a girl in the water. She was 7 a piece of wood. It was carrying her away. It was too 8 . Without a word, Mr Black took off his clothes as quick as he could, jumped into the river and saved the girl onto the bank. |
| ( )1. A. in ( )2. A. cry ( )3. A. look ( )4. A. so ( )5. A. running ( )6. A. All ( )7. A. holding ( )8. A. heavy | B. on B. noise B. watch B. and B. pointing B. Both B. lifting B. exciting | C. at C. laugh C. see C. that C. driving C. Neither C. taking C. dangerous | D. to D. sound D. notice D. then D. looking D. either D. handing D. serious |