Why did people like bicycles Because bicycles were .
举一反三
- 8. He was disliked because he did not like other people and people were ________ of his wealth.
- 2. It is not very healthy to jog beside a mortorway because of the ___ . A: many accidents B: bicycles C: air pollution D: other people
- Why were dogs used for hunting? A: Because they did not eat other animals. B: Because they were useful for protection. C: Because they were good hunters. D: Because they always obeyed their masters.
- In the above figure, when 2000 bicycles are produced each month, we can see that A: the marginal benefit from another bicycle is greater than the marginal cost of another bicycle. B: more bicycles should be produced to reach the allocatively efficient level of output. C: the economy is very efficient at the production of bicycles because the marginal benefit exceeds the marginal cost. D: Both answers A and B are correct.
- All these bicycles are not second-handed; ______ of them are new.