Science and technology have ________ in important ways to the improvement of agricultural production.
举一反三
- Small farms and the lack of modern technology have ______ agricultural production.
- Science and technology have in important ?
- Small farms and the lack of modem technology have ______ agricultural production. A: blundered B: tangled C: mingled D: hampered
- Small farms and the lack of modem technology have （）agricultural production. A: blundered B: tangled C: bewildered D: hampered
- We have to findnew ways to(short) ______the process of production.