以下各项预防和控制“甲型H1N1流感”的措施中,属于控制传染源的是[ ]
A.勤洗手,注意个人卫生
B.室内经常雾化消毒
C.在人群集中的地方戴口罩
D.将患者进行隔离治疗
答案:D
在项目实施阶段,应协调处理施工现场周围有关文物、古树等的保护工作,并承担相应费用的是 ( )。
A.承包人
B.业主
C.咨询工程师
D.政府职能部门
A typical (160) language contains an applicative sub-language which approximates the mathematical abstractions of "timeless" functions applied to "spaceless" values, where the actual operation sequences and use of storage space during expression evaluation are organized behind the (161) . In this setting, values are data structures of low volume, typically a few computer words or less, which means that an illusion of spacelessness can be realized by having (162) results during expression evaluation stored at the discretion of the language implementation, and effecting parameter (163) and (164) operations through value copying.
A.imperative
B.mandatory
C.compulsory
D.voluntary