在总承包项目或施工合同中，涉及工作范围描述的是技术规范和( )。
A．进度报告
B．图样
C．变更令
D．中标通知书
参考答案：B
We thought of selling this old furniture, but we've decided to _______ it. It might be valuable. [ ]
A. hold on to
B. keep up with
C. turn to
D. look after
离合器踏板自由行程过大，离合器打滑。
