下列选项中（）不是非盈利性项目财务评价内容与指标。
A．单位功能运营成本
B．财务净现值
C．运营和服务收费价格
D．借款偿还期
参考答案：B
Since the energy crisis, these big cars have become a real liability. They cost too much to run.
A．lack of reliability
B．substitute
C．costly means of transport
D．disadvantage
尖锐湿疣主要是通过（）而传播，新生儿可经（）而感染。
