There are many ways to increase agricultural _______ in the poorer areas of the world.
A: effect
B: efficient
C: effective
D: efficiency
A: effect
B: efficient
C: effective
D: efficiency
举一反三
- 7. There are many ways to increase agricultural _______ in the poorer areas of the world. A: sufficiency B: efficiency C: deficiency D: proficiency
- This is one of the most ______ ways of reducing pollution. A: effective B: efficiency C: effect D: efficient
- Her boss is very satisfied with her for she is an____secretary. A: effective B: effect C: efficient D: efficiency
- Thanks to the _____ of air transport, everyone is free to go anywhere at any time. A: effect B: efficient C: effective D: efficiency
- The related information can help you to operate the machine (efficient) ________. A: efficient B: effective C: efficiency D: efficiently