things are equal".Economists do not agree on some of the predictions.They also do not agree on the value of different decisions.Some economists support a particular decision while others criticize it.Economists do agree,however,that there are no simple answers to economic questions.

6.According to the passage,rent control will .

A.encourage landlords to invest in apartments B.improve the quality of apartments

C.protect the tenants' interests D.cause a shortage of apartments

7.We can infer from the passage that .

A.many people won't find jobs if the minimum wage is set

B.some economists do not agree with the economic theories

C.economic theories are not always correct

D.the results of economic decisions cannot always be predicted

8.The passage is mainly about .

A.the relationship between supply and demand

B.the possible results of government controls

C.the economic theories about rent control

D.the urgency of getting rid of rent control

9.The author's attitude towards the rent control and the minimum wage is .

A.supportive B.objective C.critical D.indifferent

　　Ralph Waldo Emerson once said that in order to achieve contentment,one should "cultivate the habit of being grateful for every good thing that comes to you,and to give thanks continuously."It turns out Emerson-who explored the meaning of a good life in much of his work-wasn't far off when it comes to What we now know about counting one's blessings.Research is continually finding that expressing thanks can lead to a healthier,happier and less-stressed lifestyle.

　　How can we,as Emerson advised,be thankful for each thing that contributes to our lives?Below are four habits that could help you cultivate gratitude on a daily basis.

Keep a journal.-Research has shown that writing down what you're thankful for can lead to a range of wellness benefits.Keeping a gratitude journal can reinforce positive thoughts-something particularly helpful as the brain tends to naturally focus on what goes wrong.Putting