住宅室内小气候的卫生对居民健康有重要作用。室内小气候主要组成因素有()。
A. 气湿
B. 热辐射
C. 气压
D. 紫外线辐射
E. 气温
F. 气流
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松散性材料采用环刀法测试时,若正好取在中部,则测试结果与灌砂法大致相同。
A. 正确
B. 错误
专业技术人员和工人,在提交的专业技术工作总结材料方面存在问题不包含()。
A. 不按照固定的要求乱写
B. 主题不对,内容不符
C. 内容少,篇幅小
D. 内容安排混乱,层次不清
下列()是亮度的单位
A. Ix
B. Cd
C. Im
D. Cd/m2
public class Person { private name; public Person(String name) { this.name = name; } public int hashCode() { return 420; } } Which is true?()
A. The time to find the value from HashMap with a Person key depends on the size of the map.
B. Deleting a Person key from a HashMap will delete all map entries for all keys of typePerson.
C. Inserting a second Person object into a HashSet will cause the first Person object to beremoved as a duplicate.
D. The time to determine whether a Person object is contained in a HashSet is constant and does NOT depend on the size of the map.