仪表三率是什么？
参考答案：
使用率、控制率、完好率。
To be honest, I don't want to get a job I'm chained to a desk all day. It will bore me to death.
A．that
B．what
C．where
D．which
The cost of living in Glasgow is among the lowest in Britain, ______ the quality of life is probably one of the highest.
A．since
B．when
C．as
D．while
