病原微生物分哪几大类?
参考答案:
病原微生物分八大类:(1)细菌;(2)病毒;(3)立克次氏体;(4)螺旋体;(5)支原体;(6)衣原体;(7)真菌;(8)放线菌。
根据句意及首字母提示写出所缺单词。
1. I am really a____ because I can't find my backpack.
2. I didn't c____ the early bus, so I had to wait for the next.
3. The s____ of the coffee is so good, and I want to drink one more cup.
4. —How many f____ do you have?
—I have ten.
5. Don't p____ to know what you don't know.
下列不属于净化水的方法的是( )
A.电解
B.过滤
C.吸附
D.蒸馏