绝对值为4的实数是( )
A.±4
B.4
C.-4
D.2
因为|4|=4,|-4|=4,所以绝对值为4的实数是±4.
故选A.
读下面一段短文,根据上下文意思用方框内的所给词的适当形式填空。
In 小题1:(I)school , the rules for students are very strict, but I think they are necessary. Following the rules is everyone’s duty. They keep the students from fighting, smoking, 小题2:(make)noise in class and so on.
Most of the 小题3: ( student) can follow the rules. But some problem students often break the rules. They destroy public things, such as desks,windows, trees and flowers. So they 小题4:(punish). I like the rules, because they make our school 小题5: (safety),they make it a beautiful environment for us to study.
关于建设工程正式竣工验收工作的说法,正确的有()。
A.检查审核设计、勘察、施工、监理单位的工程档案资料及质量验收资料
B.实地检查工程外观质量,对工程的使用功能进行抽查
C.对工程施工质量管理各环节工作、对工程实体质量及质保资料情况进行全面评价,形成经验收组人员共同确认签署的工程竣工验收意见
D.竣工验收合格,监理单位应及时提出工程竣工验收报告
E.工程质量监督机构应对工程竣工验收工作进行监督