The description of the process of "the corn failure caused the<br/>corn market price to rise" () A: The decrease in corn supply has caused a decrease in corn demand. B: The decrease in corn supply has caused a decrease in corn qantity<br/>demanded. C: The decrease in corn supply has caused a decrease in corn demand. D: The decrease in the quantity supplied of corn causes a decrease in<br/>the quantity demanded for corn.

Suppose that corn farmers want to increase their total revenue. Knowing that the demand for corn is inelastic, corn farmers should A: plant more corn so that they would be able to sell more each year. B: increase spending on fertilizer in an attempt to produce more corn on the acres they farm. C: reduce the number of acres on which they plant corn. D: contribute to a fund that promotes technological advances in corn production.

If corn farmers know that the demand for corn is inelastic, and they<br/>want to increase their total revenue, they should all: () A: plant<br/>more corn so that they would be able to sell more each year. B: increase<br/>spending on fertilizer in an attempt to produce more corn on the<br/>acres they farm. C: reduce<br/>the number of acres they plant in corn. D: contribute<br/>to a fund that promotes technological advances in corn production.

If a Chinese worker can produce1 ton of wheator3 tons of cornper week, while a Brizilian worker can produce2 tons ofwheator5 tons of cornper week: A: Brizil has absolute advantage in both goods. B: Brazil has comparative advantage in corn and China has comparative in wheat. C: Brazil has comparative advantage in wheat and China has comparative in corn. D: Chinahas absolute advantage in corn.

The American expression of "玉米" is corn.

Passage Two Questions 19 to 21 are based on the passage you have just heard. Question 19: A: American Indians and corn. B: The planting techniques of corn. C: The joy of harvest. D: Various ways to prepare corn.

Which of the following statements is NOT true about corn A: Corn is a kind of vegetable. B: Corn can be stored for a long time. C: Corn can be used to make alcohol. D: Corn is probably even more popular than potatoes all

A farmer needs to decide whether to grow corn or raise cattle. Which of the following would feed the highest number of people? A: 100 % cattle,0% corn B: 75% cattle, 25% corn C: 50% cattle, 50% corn D: 25% cattle, 75% corn E: 0 % cattle, 100 % corn

Which of the following would increase the supply of corn? A: a decrease in the price of wheat B: an increase in the price of pesticides C: a severe drought in the corn belt D: a decrease in the demand for corn E: a fall in the price of corn

中国大学MOOC: Farmers grow large________ of wheat and corn.