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问题 单项选择题

（）指估计的某一债项违约后损失的金额占该违约债项风险暴露的比例，即损失占风险暴露总额的百分比。

A.效率比率

B.杠杆比率

C.违约损失率

D.违约概率

答案

参考答案：C

单项选择题

Which of the following would be most appropriate for the nurse to include in the plan of care for a dying child to meet the child’s emotional needs during the last days of life

A. Restrict visitors to the parents to avoid overtaxing the child.
B. Answer the child’s questions about illness and death honestly.
C. Focus on the child’s physical needs to attempt to prevent sadness.
D. Encourage the child to play quietly with a roommate to provide pleasur
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单项选择题

如图所示，固定在小车上的支架的斜杆与竖直杆的夹角为、在斜杆下端固定有质量为m的小球，装置处于静止状态。下列关于杆对球的作用力F的判断中，正确的是（）

A.大小为mg，方向竖直向上

B.大小为mg，方向沿杆斜向右上方

C.大小为mg，方向垂直于杆斜向左上方

D.大小为mg，方向水平向右
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