18 A: They are mostly durable. B: They are easily disposable. C: They serve multiple purposes. D: They benefit the environment.

Which one of the following statements is MOST accurate? ( ) A: In general, consumption demand rises by more than income. B: In general, consumption demand rises by the same amount as disposable income rises. C: In general, consumption demand rises by more than disposable income. D: In general, consumption demand rises by less than disposable income.

Human beings could regard the clones and “harvestable beings” and disposable labors.

Q ： What does Louis Uchitelle mean by “the disposable American” (Line 3, Para. 5)?

Human beings could regard the clones and “harvestable beings” and disposable labors. A: 正确 B: 错误

It's important to store __________ food in a cool place. A: unforgettable B: perishable C: preservative D: disposable

Packaging is usually divided into(). A: transport packaging B: sales packaging C: disposable packaging D: repeated packaging

A consumption function shows a A: negative (inverse) relationship between consumption expenditure and saving. B: positive (direct) relationship between consumption expenditure and price level. C: negative (inverse) relationship between consumption expenditure and disposable income. D: positive (direct) relationship between consumption expenditure and disposable income.

It's hard to pay no attention to a market of a growing middle-class with higher ______ incomes. A: expensive B: disposable C: more D: costly

​What are the possible reasons of people’s travelling?‍ A: Needs and desires B: Leisure C: Disposable money D: Improvement of transportation