【推荐2】听下面一段独白，回答以下小题。
1. On which day is World Sleep Day held?

A．March 21.

B．March 25.

C．March 31.

2. What percentage of adults have a full eight hours of sleep each day?

A．21%.

B．27%.

C．80%.

3. What problem do most people have?

A．They are too busy to have enough sleep.

B．They are not aware of the risk of lack of sleep.

C．They are unable to achieve balance between sleep and work.

4. What can we learn from the passage?

A．World Sleep Day started in 2006.

B．Teenagers need at least 8 hours of sleep a night.

C．Losing one hour of sleep makes no difference.

【推荐1】听下面一段独白，回答以下小题。
1.

A．You can increase your happiness levels by attending the classes.

B．Most of us are happier than our parents since we earn more.

C．Earn more than you can if you want to be happy.

D．Both Bill Gates and Kerry Packer are rich but unhappy.

2.

A．Always think highly of yourself and help others.

B．Compare yourself to a famous person.

C．Compare yourself to people who are inferior to you.

D．Earn more than your bank account.

3.

A．Happiness is everything.

B．Wealth is the foundation of happiness.

C．Fun is another form of happiness.

D．Money doesn't always mean happiness.

【推荐2】听下面一段较长对话，回答以下对话。
1. What’s the man’s dream?

A．To be an artist.

B．To be a teacher.

C．To be a scientist.

2. What do we know about Copernicus’ theory?

A．It proved that the earth was still.

B．It was influenced by Newton and Einstein.

C．It is the basis of ideas about the universe today.

3. What was thought to be the center of the universe at the time of Copernicus?

A．The earth.

B．The sun.

C．God.

4. Why did Copernicus publish his theory when he was dying?

A．He wasn’t sure of his theory until then.

B．He was afraid of being punished.

C．His friends told him not to publish it.