中国大学MOOC: 8. It is a kind of economy which extracts resources, uses them only once or twice, and then throws them away.
举一反三
- 中国大学MOOC: the qualities and abilities that they have which are an advantage to them
- 中国大学MOOC: Mr. and Mrs. Roth regret that a previous ________ prevents them accepting the kind invitation.
- It is not the tool that a scientist uses but how he uses them（）makes him a scientist. A: what B: that C: which D: who
- 中国大学MOOC: Most animals have little connection with _______animals_______ of different kind unless they kill them for food．
- You mustn't put these boxes here, _____, please. A: put away them B: put them away C: put them on