大叶性肺炎的病原体主要是(),原发性非典型肺炎的病原体是()。 发布时间:2019-02-19 03:20 │ 来源:www.tikuol.com 题型:填空题 问题: 大叶性肺炎的病原体主要是(),原发性非典型肺炎的病原体是()。
题型:填空题 已知函数f(x)是(-∞,+∞)上的偶函数,若对于x≥0,都有f(x+2)=f(x),且当x∈[0,2)时,f(x)=log2(x+1),则f(-2010)+f(2011)的值为 [ ]A.-2 B.-1 C.2 D.1 查看答案
题型:填空题 某研究调查了100例患A病的病人和200例患B病的病人,收集因素F的暴露史。结果在100例A病患者中有50人有F因素暴露史,在200例B病患者中有50人有F因素的暴露史。根据此资料估计疾病A与因素F暴露史关联的特异危险度为()A.1.0B.1.5C.2.0D.3.0E.不能从所给资料中求出 查看答案
题型:填空题 情景交际。从方框中选出适当的句子补全对话,其中有两项是多余的。 A. How about your holiday? B. Did you have a good time? C. What was the matter? D. Have a good time! E. Then what did you do at home? F. How far is it from here? G. How was the weather there? A: Hi, Jack! How was your holiday? B: Not very good. A: 1. _____B: I wanted to go to Kunming for my holiday, but my parents were very busy, so I had to stay at home. A: 2. _____ B: I only did my homework everyday. It was so boring. 3. _____ A: Oh, It's great. I went to Harbin. B: 4. _____ A: It was very cold and sometimes it snowed. B: 5._____ A: Yes. We were very happy. 查看答案