题目内容

【题目】 My name is Carla. My school is big and beautiful (漂亮的). Here is a map of it. Where is the classroom building? It is next to the office building. Our teachers work in the office building. Behind the office building, there is a sports hall. The dining hall is on the left of the sports hall. It is also near a pay phone (付费电话). The playground is between the library and the science building. I like the library very much. Oh, look at the students' dormitory (宿舍) building. It is in front of the science building!

根据短文内容完成图表,每空限填一词。

1_________

2_________

3_________

4_________

5_________

【答案】

1Classroom

2Dining

3Sports

4Library

5Science

【解析】

本文介绍卡拉的学校。教学楼挨着办公楼,办公楼之后是体育馆,左边是餐厅,操场在图书馆和科技楼之间,学生宿舍在科技楼之前。

1细节理解题。根据“Where is the classroom building? It is next to the office building.”故填Classroom。

2细节理解题。根据“The dining hall is on the left of the sports hall. It is also near a pay phone (付费电话).”故填Dining。

3细节理解题。根据“Behind the office building, there is a sports hall.”故填Sports。

4细节理解题。根据“The playground is between the library and the science building. I like the library very much. Oh, look at the students' dormitory (宿舍) building. It is in front of the science building!”故填Library

5细节理解题。题意“Oh, look at the students' dormitory (宿舍) building. It is in front of the science building!”故填Science。

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【题目】

Do you know how much water a family of four uses every day in the United States? Not 50 gallons, not 100 gallons, but 400 gallons! You could take up to 10 baths with that much water—but who would want to do that? Fortunately, there are many things we can do to save.

Shower Power!

Taking a shower uses much less water than filling up a bathtub. A shower only uses 10 to 25 gallons, while a bath takes up to 70 gallons! If you do take a bath, be sure to plug the drain right away and adjust the temperature as you fill the tub. To save even more water, keep your shower under five minutes long—try timing yourself with a clock next time you hop in!

Fix That Leak(渗漏)!

Fixing a toilet leak is a great way to reduce household water use and boost water conservation. If your toilet has a leak, you could be wasting about 200 gallons of water every day. That would be like flushing(冲)your toilet more than 50 times for no reason! Try this experiment: ask your parents to help you test for leaks by placing a drop of food coloring(色素) in the toilet tank. If the color shows up in the bowl without flushing, you have a leak!

1How much water does a family of four use every day in the United States?

________________________________________________________________________

2Taking a shower uses less water than a bath, doesn’t it?

________________________________________________________________________

3What can we do to save more water when we are taking a shower?

________________________________________________________________________

4How many times can you flush your toilet if you save the leaking water for one day?

________________________________________________________________________

5How can you tell whether a toilet is leaking?

________________________________________________________________________

6Do you have any other ways of saving water? Please introduce one of them.

________________________________________________________________________

【题目】If I were to ask you to close your eyes and I gave you a piece of apple to eat, would you be able to tell me what it is just by tasting it? Of course, you could. Your tongue (舌头) helps you know what different foods taste like. Do you know that foods would taste different if you did not have a nose?

What You Need

a friend to help

small pieces of any food like carrot, orange, banana—whatever you have

small pieces of apples, raw (uncooked) potato and (if you are brave) onion (洋葱)

What You Do

There are actually three different experiments. You and your friend should take turns trying them on each other.

Experiment 1:

Have your friend close her eyes and open her mouth. Give her a piece of the food and ask her to taste it. Then, ask her what she thinks it is. She will probably guess correctly.

Experiment 2:

While your friend has her eyes closed, give her a piece of raw potato. At the same time, hold a piece of apple right under her nose. Ask her to eat the potato and tell you what she thinks it is. She will say it is a piece of apple! You can even do it the other way around, and she will think she is eating a potato, or, perhaps, she won’t be able to name what she is eating.

Experiment 3: (for the brave)

Take a piece of raw onion. You don’t have to close your eyes this time. Press your nose closed with your other hand so that no smells can get into your nose. Now eat a small piece of the onion. Surprise! As long as you hold your nose, you will not be able to taste the onion.

The Science Secret

You already know the science secret. Your nose and your tongue work together to make food taste the way it does. Your tongue, however, can taste only certain flavors like salty, bitter, sour, and sweet. All of the other “tastes” are actually “smells”, and you need your nose to taste them.

Oh, you might use this science secret the next time you are forced to eat something you don’t like the taste of. If you hold your nose while you eat it, you won’t “taste” it at all.

1According to this article, what could a person know about food?

A. People hold their noses to eat onions.

B. If you close your eyes, food will taste better.

C. People need a sense of smell to taste some food.

D. If you can smell potatoes, you will taste apples.

2What is the most probable reason Experiment 3 is called “for the brave”?

A. You have to eat a raw onion. B. You keep your eyes open.

C. You have to hold your nose. D. You do the experiment alone.

3What can we learn from the passage?

A. Knowledge comes from personal experience.

B. Team work helps us to find out science secrets.

C. We should have courage while doing experiments.

D. We can’t draw a conclusion simply from the feeling.

4What’s the passage mainly about?

A. Why different foods can smell the same.

B. How smell influences the way food tastes.

C. Why some things smell better than others.

D. How smell changes the way we see things.

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