河段冰厚测量是为了了解河段的冰厚分布情况及（）对河段平均冰厚的代表性。
A、冰情分布
B、冰流量变化
C、固定点冰厚
D、流冰情况
参考答案：C
切实维护劳动者合法权益必须（）
A.加强劳动力市场监管
B.劳动保护和劳动执法监察
C.规范用工行为
D.加强劳动力市场监管、劳动保护和劳动执法监察，规范用工行为
A client exhibits confusion and severe memory loss. At 11:30 AM, he tells the nurse that he is going to work and proceeds to walk toward the door. Which of the following actions should be the nurse take()
A. Remind him that he retired from his job 10 years ago.
B. Tell him that she’ll accompany him for a short walk outdoors.
C. Divert his attention toward the dining room where lunch is being served.
D. Tell him that he does not have to go to work today.
