问题
单项选择题
以下哪种情况下，需要采集AFP病例的接触者大便标本？（）
A、每年AFP病例大便标本数少于150份的省
B、未采集到合格大便标本的AFP病例
C、根据临床或流行病学资料高度怀疑为脊灰的AFP病例或死亡的AFP病例
D、以上都是
答案
参考答案：D
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以下哪种情况下，需要采集AFP病例的接触者大便标本？（）
A、每年AFP病例大便标本数少于150份的省
B、未采集到合格大便标本的AFP病例
C、根据临床或流行病学资料高度怀疑为脊灰的AFP病例或死亡的AFP病例
D、以上都是
参考答案：D
re. If he came as 39 as this every morning, he would get a lot more 40 done.” John began to get on with his work and by half past nine he had 41 all the postcards he had to write. It was a quarter to ten, and Mary had not arrived 42. He wondered 43 she was ill or if she had taken the day 44. But Mr. Steele came and 45 him if he knew where Mary was. If she were ill, she would 46, he said. It’s not like her. She’s usually 47. John said that he had no 48 where Mary was. But 49 the door opened and there was Mary. She was looking very 50 and tired. She apologized to Mr. Steele and explained that she had been 51 most of the night. She hadn’t 52 to sleep until five in the morning and had overslept. Mr. Steele was very 53 and suggested that she take the day off. She 54 him and said she would stay, but she 55 said a word for the rest of the morning. John, on the other hand, was feeling happy so at one o’clock he suggested to Mary that they go and have lunch together, and she agreed.