问题
单项选择题
急性肾小球肾炎多见于上呼吸道链球菌感染，一般链球菌感染至发病的潜伏期为（）。
A.1-3周
B.1-3天
C.1-3小时
D.1-3个月
E.以上都不是
答案
参考答案：A
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急性肾小球肾炎多见于上呼吸道链球菌感染，一般链球菌感染至发病的潜伏期为（）。
A.1-3周
B.1-3天
C.1-3小时
D.1-3个月
E.以上都不是
参考答案：A
| 用方框中所给单词的适当形式填空。每词限用一次。 | |
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| 1. The 3-year-old child can ____________from one to one hundred . 2. It’s __________to cross the road when the light is green. 3. He finished __________a newspaper when I came into his room. 4. She had a little __________for her breakfast. 5. My father looked __________because I played computer games when he was out. |