问题
单项选择题
流感病毒传染性最强的时候是()
A．发病初期表现出病症的时候
B．发病中期病重的时候
C．发病末期病将好的时候
D．病好后病症刚刚消失的时候
E．恢复期
答案
参考答案：A
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流感病毒传染性最强的时候是()
A．发病初期表现出病症的时候
B．发病中期病重的时候
C．发病末期病将好的时候
D．病好后病症刚刚消失的时候
E．恢复期
参考答案：A
| 从方框中选出合适的选项补全对话。 | |
| A: Excuse me, 1______ B: Yes, and you are...? A: 2______.This is my membership card. Would you please show me your passport? B: OK. 3______ A: Welcome to Beijing, Miss White. I am so glad that you are the first guest I have received. B: Thank you, Miss Chen. 4______ A: Let me help you with your Suitcase. Our car is waiting for us just at the entrance 5______ B: Thank you very much for your good Service. A: It's a pleasure. | |
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