what is Jane learning to use（）
A: A television set.
B: A washing machine.
C: A pulic telephone.
D: A candy machine.
A: A television set.
B: A washing machine.
C: A pulic telephone.
D: A candy machine.
C
举一反三
- I use an to look up words. A: e- dictionary B: television C: telephone D: fax machine
- 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.( )
- Equipment for washing A: low consistence washing machine B: medium consistence washing machine C: high consistence washing machine D: Diffusion washing machine
- 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
内容
- 0
What’s the thing they are talking about（） A: A special car. B: A washing machine. C: A cleaner. D: A robot.
- 1
中国大学MOOC: We plan to _________ this machine when funds become available sometime in 2015 with an upgraded machine.
- 2
We plan to _________ this machine when funds become available sometime in 2015 with an upgraded machine. A: risk B: undertake C: violate D: replace
- 3
When self check-in, you can get your boarding pass and your bag tag from a machine. What is the machine called? A: Bag tag. B: Kiosk. C: Boarding pass. D: Customs.
- 4
The ratio of the work ______ by the machine to the work _____ on it is called the efficiency of the machine. A: to do ...to do B: doing....doing C: having done ... having done D: done ...done