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题型:阅读理解-单选 难度:0.65 引用次数:91 题号:12204027

One way that scientists learn about people is by studying (研究) animals. In this experiment (实验), the scientists are studying the relationship between diet and health.

They are studying the relationship between the amount (数量) of food the mice eat and their health. The mice are in three groups. All three groups are receiving the same healthy food. The first group is eating one cup of food each day, the second group is eating two cups, and the third group is eating three cups.

After three years, the healthiest group is the one that is only eating one cup of food each day. The mice in this group are a little thinner. But they are more active. Most of the day, they are running, playing with one another. Also, they are living longer. Mice usually live for two years. Most of the mice in this group are still alive (活的) after three years.

The second group of mice is healthy, too. They are active, but not as active as the thinner mice. They are only living about two years.

The last group of mice is receiving more food than the other two groups. Most of the day, these mice are eating or sleeping. They are not very active. These mice are living longer than the scientists thought—about a year and a half. But they are not healthy. They are sick more often than the other two groups.

1. The experiment lasted (持续) for at least ________ years.
A.one and a halfB.twoC.two and a halfD.three
2. The underlined word “relationship” in the first paragraph means ________.
A.关系B.原因C.结果D.程度
3. The experiment mainly shows that ________.
A.eating less may bring longer life
B.the mice eat more than the scientists thought
C.the mice live longer than the scientists thought
D.the more you eat, the healthier you will be
4. The best title for the passage is ________.
A.Man and healthB.Diet and animalsC.Diet and healthD.Animals and people

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阅读理解-单选(约290词) | 适中 (0.65)
文章大意:本文是一篇说明文,作者通过Chris Bailey的体验结果介绍了戒饮料只喝水的益处。

【推荐1】Young people enjoy different kinds of drinks, though they know drinks are bad for their health. What about you? What will happen to you if you only drink water?

Chris Bailey, a popular blogger (博客作者), tried this out. Here is what he has found.

First, you lose weight (体重) faster. Yeah, you do! You don’t have to exercise but just keep away from drinks for 9 days. It is the same as running for 8 kilometers a day! So write down your resolution (决心) on a piece of paper and put it on the wall. And you will see the result soon.

Sometimes when you have to stay up late for a test, a cup of tea or coffee is usually put at the side of your desk. But do you know 75 to 85 percent of your brain (大脑) is water? Nothing else! Just by drinking water, your brain can work efficiently (有效地). You may remember things quickly and well.

What’s more, water washes out something bad in your body. So drinking enough water can stop you from getting old quickly. If you want to look young and beautiful as long as possible, drink a glass of water right now! Keep on doing it for longer, and you will be surprised to touch your soft and clean skin (皮肤).

Lastly, you save money! How much money do coffee and juice cost you every week? The price of water is much lower than that of other drinks. Drink 5 glasses of water every day or visit doctors? Think about it!

So, what are you waiting for?


根据短文内容,选择最佳答案。
1. Why does the writer mention (提及) Chris Bailey?
A.To show he is popular.B.To give an example.C.To discuss his healthy problems.
2. Which resolution may be written on the paper in Paragraph 3?
A.Take more exercise!B.Drink more water!C.Use the brain more!
3. Which one is RIGHT according to the passage?
A.Staying away from drinks for 9 days helps lose weight.
B.Drinking tea makes you get old quickly.
C.Keeping on drinking water makes hair soft and clean.
4. Which of the following best shows the structure of the passage? (P=Paragraph)
A.B.C.
2023-11-13更新 | 16次组卷
阅读理解-判断(约180词) | 适中 (0.65)

【推荐2】Teeth are very important for our health. They will be our lifelong friends. So we should learn to protect them at a very young age. Here are some tips:

First,we should eat right.

◆Don't eat too much candy or drink too much cola,or our teeth will go bad easily.

◆Have more cheese,milk and yogurt to make teeth strong.

◆Eat more vegetables and fruits to help clean teeth.

Second, we should keep these numbers in mind.

◆2/Day   Brush your teeth at least twice a day: in the morning and before bedtime.

◆2~3Minutes   Brush for at least two to three minutes every time.

◆3 Months   Get a new toothbrush every three months.

◆6 Months   Go to the dentist every six months for a check-up.

1. We're too young, so we needn't start taking care of our teeth.
2. Cheese, milk and yogurt can keep our teeth strong.
3. We shouldn't brush our teeth before bedtime.
4. We can brush our teeth for 2 minutes at most each time.
5. You should use at least four brushes in a year.
2019-09-01更新 | 106次组卷
阅读理解-单选(约150词) | 适中 (0.65)
文章大意:本文主要讲述了健康很重要,作者给出了自己的健康生活方式。

【推荐3】I am Sam from No. 10 Middle School. I think it’s very important for us to be healthy. Now I’ll tell you how I can be healthy. I often eat fruit and vegetables. I don’t like to eat hamburgers. They are not good for my health. I have a balanced diet (均衡饮食). Many foods are important, such as rice, meat, eggs, vegetables and fruit. I like to eat apples. As the saying says, “An apple a day keeps the doctor away.” And I also like doing sports. I like running in the morning. I play basketball in the afternoon with my friends. And sometimes I play ping-pong with my family at the gym on Saturdays. I think I’m healthy and strong. What about you?

1. Why doesn’t Sam like hamburgers?
A.Because he likes fruit and vegetables.
B.Because he thinks they are good for health.
C.Because he thinks they are not healthy.
D.Because he doesn’t like them from a child.
2. What does Sam like to do in the morning?
A.Play basketball.B.Play baseball.C.Read English.D.Go for a run.
3. When does Sam play ping-pong?
A.In the afternoon.B.In the evening.C.On Saturdays.D.On Sundays.
4. What is the best title for the passage?
A.Fruit and Vegetables are HealthyB.To be Healthy is very Important
C.Doing Sports is Good for Your HealthyD.Having an Apple a Day is Important
2024-02-23更新 | 20次组卷
共计 平均难度:一般