下列不属于偿债能力指标的是（）。
A.利息备付率
B.偿债备付率
C.资产负债率
D.投资回收期
参考答案：D
填入适当的疑问词或疑问词组。
1. ____________ season do you like best? Fall.
2. ____________ are they? Twenty yuan.
3. ____________ students are there in your class? There are thirty-seven.
4. ____________ do you go to school? I go to school at 8: 00.
5. ____________ do you do on the weekend? I go hiking.
试验消火栓设置于屋顶，用于试验管网水压、水流量的消火栓。（）
