题目内容：

    The secret to happiness is keeping busy, research has found. Keeping the mind occupied with tasks—no matter how meaningless—keeps off negative emotions, the study found.

However, the bad news is that humans are seemingly born to be lazy in order to save energy, according to Professor Christoper Hsee, a behavioral scientist at Chicago University.

In a study, 98 students were asked to complete two surveys. After they had completed the first, they were made to wait 15 minutes to receive the next one. They were given a choice of either handing in the first survey nearby or a more distant location they had to walk to. Whichever option they chose, they received a chocolate bar. It turned out that about two-thirds (68 students) chose the lazy option. Those who had taken the walk reported feeling happier than those who had stayed put.

Professor Hsee concluded that keeping busy helped keep people happy. He said the findings, reported in the journal Psychological Science, had policy implications (暗示).

“Governments may increase the happiness of idle (无所事事的) citizens by having them build bridges that are actually useless,” he proposed.

At the personal level, he advised, “Get up and do something. Anything. Even if there really is no point to what you are doing, you will feel better for it. He added, Incidentally, thinking deeply or engaging in self-reflection counts as keeping busy, too.

“You do not need to be running around. You just need to be engaged, either physically or mentally.”

1.According to the passage, why can keeping busy make people happy?

A. It can help people keep off laziness. B. It can make people sleep better.

C. It can help get rid of unpleasant feelings. D. It can give people a sense of achievement.

2.Which of the following statements is TRUE according to the passage?

A. The finding may contribute to politics.

B. The officials have taken Pro. Hsee’s advice

C. In the study one third students handed in the first survey nearby.

D. Governments can increase citizens’ happiness by building bridges.

3.What can we infer from the passage?

A. Everybody is certainly born to be lazy.

B. Being engaged can add to the possibility of being pleased.

C. Prof. Hsee’s finding was published in Psychological Science.

D. Only by keeping working all the time can you gain happiness.

4.Why does the author write this passage?

A. To explain what happiness is.

B. To advise people not to be idle.

C. To advise people to do whatever they prefer.

D. To show people how to take work seriously.