问题
单项选择题 A1/A2型题
迟发感染的特点是（）。
A.潜伏期较长可达数周
B.症状多为亚急性
C.潜伏状态检测不到任何病毒指标
D.不侵犯中枢神经系统
E.病毒很快被清除
答案
参考答案：B
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迟发感染的特点是（）。
A.潜伏期较长可达数周
B.症状多为亚急性
C.潜伏状态检测不到任何病毒指标
D.不侵犯中枢神经系统
E.病毒很快被清除
参考答案：B
| 情景对话 根据对话情景和内容，从对话后所给的选项中选出能填入每一空白
Wife: 1 Husband: Well, just as usual. Wife: Come on, I’ve known you for years. Your face tells me something has happened. Husband:Is that so ? Wife: 2 Tell me, what happened? Husband: Guess! Wife : You're promoted? Husband: 3 Wife: You got a rise? Husband: Right! You deserve a reward. 4 Wife: Sure. But tell me everything from the very beginning.You didn't mention anything about this to me. Husband: I wasn't expecting a rise myself. I wasn't even aware that today was payday when I got to work this morning. Wife: 5 Husband: No, I think I was the only one. The manager talked to me this morning. He said I had been working quite hard and wanted me to keep up the good work. Wife: Congratulations! Now let's go to celebrate. |