What particular advantage does Professor Thring's coal miner have
A: It does not have to go deep underground.
B: It can work in very narrow spaces.
C: It can work in the open air.
D: It is twice as strong as a human miner.
A: It does not have to go deep underground.
B: It can work in very narrow spaces.
C: It can work in the open air.
D: It is twice as strong as a human miner.
举一反三
- M: The air conditioner in my room is broken and I can’t work.W: Why not go to the office What does the woman mean（） A: The man can sleep in the office. B: She can have someone to repair the air conditioner. C: She can work without air conditioner. D: The man can do his work in the office.
- Professor Thring's mechanical coal miner ______. A: has already been seen by the Coal Board B: is his first invention C: looks like a TV camera D: is not yet in production
- How does the professor go to work?
- I ____a car, so I go to work by underground. (have)
- The speaker’s grandparents___ . A: do not have much to eat. B: both work hard in the field. C: get up and go to bed late. D: can enjoy fresh food and air.