Which of the following statements is NOT true（） A: The need for labor helped the invention of machinery in America B: The farmer rejected Charles New bolt's plow for fear of ruin of their fields C: Both Europe and America had great need for farmer machinery D: It was in Indiana that the first chilled-steel plow was produced
Which of the following statements is NOT true（） A: The need for labor helped the invention of machinery in America B: The farmer rejected Charles New bolt's plow for fear of ruin of their fields C: Both Europe and America had great need for farmer machinery D: It was in Indiana that the first chilled-steel plow was produced
Miner is to ores as () A: pickaxe is to rocks B: lumberjack is to trees C: farmer is to plow D: merchant is to goods E: cobbler is to shoes
Miner is to ores as () A: pickaxe is to rocks B: lumberjack is to trees C: farmer is to plow D: merchant is to goods E: cobbler is to shoes
Principal is to school as () A: surgeon is to operation B: farmer is to plow C: foreman is to factory D: author is to novel E: policeman is to arrest
Principal is to school as () A: surgeon is to operation B: farmer is to plow C: foreman is to factory D: author is to novel E: policeman is to arrest
work one's way to A: achieve sth. gradually by working B: walk down C: make one's way D: plow through
work one's way to A: achieve sth. gradually by working B: walk down C: make one's way D: plow through
In one day, Brandon can either plow 10 acres or plant 20 acres. In one day, Christopher can either plow 14 acres or plant 14 acres. Which of the following statements about comparative advantage is correct A: Brandon has a comparative advantage in both plowing and planting. B: Brandon has a comparative advantage only in plowing. C: Brandon has a comparative advantage only in planting. D: Christopher has a comparative advantage in both plowing and planting.
In one day, Brandon can either plow 10 acres or plant 20 acres. In one day, Christopher can either plow 14 acres or plant 14 acres. Which of the following statements about comparative advantage is correct A: Brandon has a comparative advantage in both plowing and planting. B: Brandon has a comparative advantage only in plowing. C: Brandon has a comparative advantage only in planting. D: Christopher has a comparative advantage in both plowing and planting.
In one day, Brandon can either plow 10 acres or plant 20 acres. In one day, Christopher can either plow 14 acres or plant 14 acres. Brandon and Christopher can A: gain from exchange if Brandon specializes in planting and Christopher specializes in plowing. B: gain from exchange if Brandon specializes in plowing and Christopher specializes in planting. C: exchange, but only Brandon will gain from the exchange. D: exchange, but only Christopher will gain from the exchange.
In one day, Brandon can either plow 10 acres or plant 20 acres. In one day, Christopher can either plow 14 acres or plant 14 acres. Brandon and Christopher can A: gain from exchange if Brandon specializes in planting and Christopher specializes in plowing. B: gain from exchange if Brandon specializes in plowing and Christopher specializes in planting. C: exchange, but only Brandon will gain from the exchange. D: exchange, but only Christopher will gain from the exchange.