问题
单项选择题 A1型题
属于非特异性感染的病原菌有（）。
A.结核菌
B.梅毒螺旋体
C.放线菌
D.大肠埃希菌
E.破伤风杆菌
答案
参考答案：D
解析：属于非特异性感染的病原菌有大肠埃希菌。其他几项均属于特异性感染。故本题答案是D。易误选B。
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属于非特异性感染的病原菌有（）。
A.结核菌
B.梅毒螺旋体
C.放线菌
D.大肠埃希菌
E.破伤风杆菌
参考答案：D
解析：属于非特异性感染的病原菌有大肠埃希菌。其他几项均属于特异性感染。故本题答案是D。易误选B。
| 根据对话内容,用方框中所给词的适当形式填空.(其中有一词多余) | |
cannot teach his 1 everything they want to know. His 2 is to show his students how to learn. He teaches them how to read and how to think. So much more is to be learned outside school by the students 3 . It is always more 4 to know how to study by oneself. It is quite easy to learn something, but it is difficult to use it to solve problems. Great inventors do not get everything 5 school, but they still can 6 many things and change the world a lot. How can the inventors do all of this? One of the answers is: they 7 how to study. A lot of things are not taught in the classroom. They get a lot of knowledge by reading outside school. They work hard and never give up all their lives. |