题目内容

What time of day do you feel most alert(清醒的)? Are you more of a morning person? Or does your brain need a few hours to get going? A lot of research suggests that we should pay attention to our body clock. It can tell us what time of day we are best able to perform, according to the Wall Street Journal.

When it comes to the human brain, many people work best later in the morning. This is because the body’s temperature takes time to rise through the day. Taking a warm shower when you wake up can help speed this up.

But everyone’s body clock is different. Morning people will rise early and work better early in the day. Evening people will wake later but their brain will work better toward the end of the day.

Research show that we’re better at some activities at certain times of the day. Physical performance is at its best between 3pm and 6pm, so it’s better to exercise later in the day.

Between noon and 4 pm, people begin to get distracted (思想不集中的). This is partly because our brain becomes less alert after we eat a big meal. Research also shows that we become sleepy around 2 pm.

Finally, it is best to eat during our active periods. This allows our body to burn calories better and stops our blood sugar levels from getting too high.

1.Many people perform best later in the morning because________.

A.they can’t get up very early. B.they have to take a shower first.

C.the body’s temperature needs time to rise. D.that’s when the brain wakes up.

2.Evening people had better _________.

A.rise early and work in the morning. B.wake later and work better in the evening.

C.rise late and work in the morning D.wake later and work after midnight.

3.According to the research, which of the following is TRUE?

A.It’s better to do exercise in the afternoon. B.We perform better after eating a big meal.

C.Sleeping at 2 pm is not good for our health. D.Our body burns calories better at night.

4.What would be the best title for the story?

A.Research about time. B.The best time to do things.

C.Brain performance. D.Different periods of a day.

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阅读与回答问题

Playgrounds offer kids fresh air, friends, and exercise. However, each year, more than 200,000 kids go to hospital because they are hurt in one way or another when playing on the playground. So what can we do to improve the situation?

We should make sure the playground is safe for the children. It should be soft and thick enough, so when the children fall, they won't hurt too much. Things like water, rocks or broken glass might cause danger to the kids. Cleaners should check the playground from time to time and clear away these dangerous things. In fact, children themselves also need to help keep the playground clean and safe. That means each time after playing they should pick up the rubbish they've produced. If someone finds there is something wrong with the equipment (设施), he should report to the keeper of the playground. so people will come to fix it.

Teaching kids how to play safely is also very important. If they know the rules of the playground. they won't get hurt easily. For example, they should never push when others are on seesaws or swings. If someone is going to jump off some equipment, he should first look down to make sure no other kids are in the way. Of course, wearing right clothes may also help to keep safe. Clothes with strings (绳) can get caught on equipment which may hurt the kid badly.

In short, our kids can both enjoy themselves and be safe if we are working together to improve the situation. 。

1.What things might cause danger to the kids on the playground?

_____________________________________________________________________________

2.When a kid find something is wrong with the equipment , what should he do?

_____________________________________________________________________________

3.Why should we teach kids how to play safely on the playground?

_____________________________________________________________________________

4.What kind of clothes can be caught on equipment?

_____________________________________________________________________________

5.What's the passage mainly about?

_____________________________________________________________________________

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