Since the scope of agriculture is wide, the administrators and information personnel involved in it must have a good ________ (master) of the field.
举一反三
- Field technicians must have a good undertanding of computers and a (demonstrate) _____ willingness to learn.
- Plastics<br/>today contribute to a wide ______ of industries. A: field B: area C: scope D: range
- Since these years, American adults have improved the most in ______. A: performing math problems B: finding information in a book C: answering questions involved numbers D: comparing two different newspaper commentaries
- Information must be 100 percent correct in order to make good decisions.
- Since the ground is white, it ____ last night. A: had snowed B: must have snowed C: must be snowing D: must have been snowing