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问题 单项选择题 A3/A4型题

患者，男性，70岁，全口牙拔除后两个半月，其上颌唇颊系带附丽较低，上颌前牙区有多处明显骨尖，修复科建议行前牙区齿槽嵴修整术。

对于手术时间的描述，错误的是（）

A.应在拔牙后2～3个月进行

B.拔牙创基本愈合、牙槽嵴改建趋于稳定时进行

C.上述时间错误，应在15天内完成

D.不用手术，骨尖可自行吸收

E.拔牙时发现的明显骨尖可在拔牙同时加以修整

答案

参考答案：C

阅读理解

Hello! This is my family. I’m David Green. I’m from England. My family is in Beijing. My father and mother work here. My father is a doctor and my mother is a teacher. I have a sister but no brothers. My sister and I are students of a middle school in Beijing. We love China. My home is very nice. My family has a TV and a computer. My room (房间) is big. I have a bed(床), a desk (桌子) and two chairs(椅子) in it. My books are on my desk. I have an MP3 in my bag. There are some pictures on the wall. I like my room and I like these pictures very much.

根据短文内容，判断正(T)误(F)。

小题1:Four people are in David’s family.

小题2:Mr. and Mrs. Green have a son and a daughter.

小题3:David’s father works in a school in Beijing.

小题4:Two chairs and a desk are in David’s room.

小题5:—Is an MP3 on David’s desk?

—No, it isn’

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单项选择题

因环境污染损害赔偿提起诉讼的时效期间为( )，从当事人知道或者应当知道受到污染损害时起计算。

A．1年

B．2年

C．3年

D．5年
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