[单选题]专责监护人临时离开时，应通知（ ）停止工作或离开工作现场，待专责监护人回来后方可恢复工作。
A.工作班成员
B.作业人员
C.小组负责人
D.被监护人员

某建筑公司于2004年以3000000美元的价格承接了一项造桥的工程。已知：
2004年 2005年
已发生成本 720000美元 995000美元
客户应付款 900000美元 1000000美元
实际到付款 750000美元 1100000美元尚需投入成本(截至12月31日) 1680000美元 735000美元
若使用完工百分比法计算成本，2005年年末应确认的毛利是（）。

（1）繁重的学习和工作压力下，很多人的健康状况令人忧虑。
（2）怎样保持身体健康。

Parents with an adopted child wonder, when and how to tell their child that he or she is adopted. They also want to know if there are special problems for an adopted child.
Child and adolescent psychiatrists (精神病学家) recommend that the child be told about the adoption by the adoptive parents. Children should be told about their adoption in a way that they can understand.
There are two different views on when a child should be told about the adoption. Many experts believe the child should be told at earliest age possible. This approach provides the child an early opportunity to accept and integrate the concept of being "adopted". Other experts believe that telling a child too early may confuse the young child who can’t really understand the event. These experts advise waiting until the child is older.
In either case, children should learn of their adoption from the adoptive parents. This helps give the message that adoption is good an
A. be told the truth once he or she is adopted
B. be informed of the fact that he or she is adopted as early as possible
C. be told the truth by the adoptive parents themselves
D. always be kept in the dark about the fact through channels other than the adoptive parents.