问题
单项选择题
可引起急性呼吸道传染病的病原菌是（）
A.肺炎杆菌
B.麻风杆菌
C.白喉棒状杆菌
D.绿脓杆菌
E.变形杆菌
答案
参考答案：C
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可引起急性呼吸道传染病的病原菌是（）
A.肺炎杆菌
B.麻风杆菌
C.白喉棒状杆菌
D.绿脓杆菌
E.变形杆菌
参考答案：C
| 根据句意或首字母完成句子，使句子意思完整,语法正确。 1. Mrs Green has many different kinds of plants. She _____ them every day and lit the fire for breakfast. 2. When l was young, I often chopped _____. 3. My father is a farmer. He works on a _____. 4. You'll have an important meeting today. You'd better wear a business s _____ . 5. It's too hot today. We must put the meat into the r _____. |