This is a () machine.
A: multilateral
B: sluggish
C: dense
D: sophisticated
A: multilateral
B: sluggish
C: dense
D: sophisticated
举一反三
- The area was covered in () jungle. A: diverse B: dense C: indigenous D: sluggish
- The ratio of the work done by the machine ______ the work done on it is called efficiency of the machine. A: against B: to C: with D: for
- 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.( )
- We plan to _________ this machine when funds become available sometime in 2015 with an upgraded machine. A: risk B: undertake C: violate D: replace