Which of the following is not cash crop?
Which of the following is not cash crop?
Which of the following is not a subsistence crop?
Which of the following is not a subsistence crop?
producing a large amount of profit or crop=
producing a large amount of profit or crop=
Agriculture is the country’s chief source of wealth, wheat ____ by far the biggest cereal crop.
Agriculture is the country’s chief source of wealth, wheat ____ by far the biggest cereal crop.
We will（）you as soon as the new crop comes to the market.
We will（）you as soon as the new crop comes to the market.
The high-yielding crop population structure requires the larger storage capacity.
The high-yielding crop population structure requires the larger storage capacity.
中国大学MOOC: Agriculture is the country’s chief source of wealth, wheat ____ by far the cereal crop.
中国大学MOOC: Agriculture is the country’s chief source of wealth, wheat ____ by far the cereal crop.
中国大学MOOC:"Advances in __________ have improved crop yields by over 30%.";
中国大学MOOC:"Advances in __________ have improved crop yields by over 30%.";
轮作 A: shuttle B: shift C: crop rotation D: take turns
轮作 A: shuttle B: shift C: crop rotation D: take turns
Agriculture is the country’s chief source of wealth, wheat ____ by far the cereal crop.( ) A: be B: been C: being D: is
Agriculture is the country’s chief source of wealth, wheat ____ by far the cereal crop.( ) A: be B: been C: being D: is