1 . 听下面一段独白，回答以下小题。

1. What is the speaker mainly talking about?

A．Causes of early death.

B．Changing to a healthier job.

C．Fighting the damage of sitting by exercising.

2. What is the problem with office workers?

A．They smoke a lot.

B．They are overworked.

C．They are physically inactive.

2 . 听下面一段独白，回答以下小题。
1. What kind of people are “early birds”?

A．The people getting up early in the morning.

B．The people going to bed early at night.

C．The people going to bed late at night.

2. When do most teenagers go to bed?

A．Around 9:00 p.m.

B．Around 10:00 p.m.

C．Around midnight or later.

3. How many teenagers sleep enough?

A．One-fourth.

B．Two-fifths.

C．One-fifth.

4. What are night owls better at?

A．Some intelligence tests.

B．Getting grades in school.

C．Getting good jobs.

3 . 听下面一段独白，回答以下小题。
1. Why does Jacob Heil decide to climb the highest mountains in the world?

A．To raise awareness of cancer.

B．To challenge himself.

C．To win a reward.

2. What worries Jacob most about climbing Mount Kilimanjaro?

A．His physical health.

B．The unexpected challenges.

C．The height of the mountain.

3. How does Jacob train for the climb?

A．By running.

B．By swimming.

C．By bicycling.

4. What is Jacob like?

A．Serious.

B．Determined.

C．Creative.

4 . 听下面一段独白，回答以下小题。
1. How does the speaker feel about memory loss?

A．It’s common.

B．It’s unimportant.

C．It’s worrying.

2. What is the speaker’s first suggestion?

A．Having a good sleep.

B．Doing exercise.

C．Attending social events.

3. How can people stay mentally active?

A．By recalling the past regularly.

B．By taking the same route when driving.

C．By doing crossword puzzles.

4. How many suggestions does the speaker give?

A．Three.

B．Four.

C．Five.

5 . 听下面一段独白，回答以下小题。
1. Why do some people want to be thin?

A．To keep healthy.

B．To stay in shape.

C．To remain energetic.

2. What may eating disorders bring?

A．Health problems.

B．Improper behaviors.

C．Emotional disturbance.

3. What is the speaker's opinion?

A．Thin is in.

B．Weight indicates health.

C．Health matters more than weight.