非典型肺炎是一种由(  )感染所引起的传染病。 A.细菌       

非典型肺炎是一种由(  )感染所引起的传染病。

A.细菌         B.病毒          C.真菌        D.以上都不是

答案

B

相关题目

有一出土的秦朝砖文为“海内皆臣,岁登成熟,道无饥人。
有一出土的秦朝砖文为“海内皆臣,岁登成熟,道无饥人。”其中“海内皆臣,所反映的历史信息主要是                        (    )  
—Would you help me with my spoken English? —_____. You can come to my home
—Would you help me with my spoken English? —_____. You can come to my home twice a week. A. No, thanks.  B. Never mind.   C. No problem.  D. That’s all right.
我国政府的宗旨是____,政府工作的基本原则是_____ A.对人民
我国政府的宗旨是____,政府工作的基本原则是_____ A.对人民负责   为人民服务             B.为人民服务   对人民负责 C.为人民服务   民主
………你所在的用户组无权浏览除“牛顿运动定律”之外的
………你所在的用户组无权浏览除“牛顿运动定律”之外的其它资料,请注册普通会员 或登录………
短周期主族元素X、Y、Z、W原子序数依次增大,X原子最外层有
短周期主族元素X、Y、Z、W原子序数依次增大,X原子最外层有6个电子,Y是至今发现的非金属性最强的元素,Z在周期表中处于周期序数等于族序数的位置
It’s sunny and cool in my city now. I’m studying at home. How’s the weath
It’s sunny and cool in my city now. I’m studying at home. How’s the weather in your city? And what are you doing?  I’m visiting my uncle in Beijing. He works here. It’s sunny in Beijing
 — Sorry, I didn't mean ______ you.   — But what you said ______ me.   A.
 — Sorry, I didn't mean ______ you.   — But what you said ______ me.   A. to hurt; to hurt       B. hurting; hurting         C. to hurt; did hurt       D. hurting; to hurt
已知集合,,若,求实数a的取值范围.
已知集合,,若,求实数a的取值范围.

最新题目