中国大学MOOC: there is a wire pole along the road _____ meter.
举一反三
- there is a wire pole along the road _____ meter. A: about fifty B: every fiftieth C: each fifty D: every 50
- One nanometer is a billionth of a meter, or 10^-10 of a meter.
- A nozzle meter results in a more ideal flow than an orifice meter. （ ）
- a working model A: mock-up B: data link C: wire pole link
- 中国大学MOOC: ｗｉｒｅ ｌｉｓｔ是指