举一反三
- What were the Polynesian settlers' diet when they arrived in New Zealand? A: fish B: sweet potato C: corn D: birds
- Healthy diet means eating more healthy foods and __________ unhealthy foods A: cut back on B: cutting back on C: cut back D: cutting back
- The threats facing the health of China's population include: A: the fast-rising aging population B: deteriorating environment C: a vegetarian diet D: unhealthy lifestyle E: life stress and work pressure
- SODAS
- 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.
内容
- 0
What happens to Bruce’s syrup?
- 1
When<br/>the marginal benefit and marginal cost of sodas are equal, then<br/>____. A: the<br/>production of sodas might be allocatively efficient but it is<br/>definitely production inefficient B: the<br/>allocatively inefficient amount of sodas is being produced C: more<br/>sodas should be produced to reach the allocatively efficient quantity D: the<br/>allocatively efficient amount of sodas is being produced
- 2
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
- 3
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
- 4
SODAS方法包括（）