题目：
（）以下的呼吸性粉尘对人的危害最大。
A.20μm
B.1mm
C.100μm
D.10μm
答案：
参考答案：D
（）以下的呼吸性粉尘对人的危害最大。 A.20μm B.1mm C.100μm D.
来源：www.tikuol.com
题型：单项选择题
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题型：完形填空
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题型：阅读理解与欣赏
阅读下面的宋诗和元曲，然后回答问题。（6分）
乡村四月
翁卷
绿遍山原白满川，子规声里雨如烟。
乡村四月闲人少，才了蚕桑又插田。
黄钟•人月圆•卜居外家东园
元好问
重冈已隔红尘断，村落更年丰。移居要就，窗中远岫，舍后长松。
十年种木，一年种谷，都付儿童。老夫惟有，醒来明月，醉后清风。
【注】元好问，金末元初人。金朝灭亡后，他不愿在元朝为官，回故乡隐居，过着遗民的生活。
这首曲子就是在他国破家亡后回归故里所作。
（1）《乡村四月》第一、二句运用了 的表达方式，第三、四句运用
了 的表达方式。（2分）
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答：
题型：选择题
下列关于呼吸作用的叙述，正确的是 [ ]
A．呼吸作用在有光的条件下进行
B．只要是活细胞，都能进行呼吸作用
C．植物的呼吸作用为光合作用提供原料
D．呼吸作用释放的能量，一般是热能
题型：问答题 简答题
在人的一生中先后有哪几组牙？萌出时间如何？
题型：单项选择题
某甲是间歇性精神病人。某日，某甲喝醉了酒，把某酒店老板打成重伤，在群众抓捕他时，某甲因惊恐而精神病发作。则某甲：()
A．应当负刑事责任，但可以减轻处罚
B．应当负刑事责任，但可以从轻处罚
C．不负刑事责任，因其是精神病人
D．应当负刑事责任
