问题
单项选择题
在高危人群中进行HIV抗体筛检来了解艾滋病的流行概况属于（）。
A.一级预防
B.二级预防
C.三级预防
D.主动检测
E.哨点监测
答案
参考答案：E
解析：哨点监测是对哨点人群，即能灵敏反映总人群某种疾病流行状况的有代表性的特定人群，用统一的内容和方法开展的监测。
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在高危人群中进行HIV抗体筛检来了解艾滋病的流行概况属于（）。
A.一级预防
B.二级预防
C.三级预防
D.主动检测
E.哨点监测
参考答案：E
解析：哨点监测是对哨点人群，即能灵敏反映总人群某种疾病流行状况的有代表性的特定人群，用统一的内容和方法开展的监测。
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| In the past, most American mothers were at home to take care of their children during the day. Now, 1 , many mothers are working. More than half of the American women with young children have 2 outside the house. American families solve the child care 3 in different ways. Some parents allow older children to stay at home alone after school. The parents 4 make sure that their children, usually not younger than 10 years old, understand 5 rules and can deal with emergencies (紧急情况). Other parents say they would 6 allow their children to be at home alone. They usually 7 someone to take care of the children. Some parents in the U. S. find their own ways to cut the cost of child care. They join child care 8 . Each person in the group 9 for the children of other group members at different times. Some parents ask local churches, schools and social organizations to help 10 activities for the children. These child care choices often cost 11 or no money. Many American parents, however, still struggle with the problem of 12 good child care at a reasonable price. | ||||
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