We plan to _________ this machine when funds become available sometime in 2015 with an upgraded machine.
A: risk
B: undertake
C: violate
D: replace
A: risk
B: undertake
C: violate
D: replace
举一反三
- 中国大学MOOC: We plan to _________ this machine when funds become available sometime in 2015 with an upgraded machine.
- We will replace the old machine with a computer.我们用这台机器代替那个电脑。
- The ratio of the work done by the machine _________ the work done on it is called the efficiency of the machine.
- Never attempt to machine a work-piece without first checking the operation of the machine.( )
- Before the machine is switched on, ensure that no one can _________ when the machine is running.