A plant makes its own food in its leaves .Water comes to the leaves through the roots(根). Air gets into the leaves through very small holes(孔) . The green coloring in the leaves uses the water and ai 题目和参考答案——青夏教育精英家教网—

Are you carrying too much on your back at school? I’m sure lots of children of your age will, say "Yes". Not only the students in China have this problem, but children in the United States also have heavy school bags.
Doctors are starting to worry that younger and younger students are having back and neck problems as a result of schools bags being too heavy for them.
"It’s hard for me to go upstairs with my bag because it’s so heavy, "said Rick Hammond, an 11-year-old student in the US.
Rick is among students who have common school bags with two straps(带子) to carry them, but many other students choose rolling(有滚轮的)bags.
But even with rolling bags, getting up stairs and buses is still a problem for children. Many of them have hurt their backs and necks because of the heavy school bags.
But how much is too much? Doctors say students should carry no more than 10% to 15% of their own body weight(重量).
Scott Bautch, a back doctor, said children under Grade 4 should stay with 10 % . But it is also important that older children don’t stay with over 15 %, because their bodies are still growing. "Children are losing their balance(平衡) and falling down with their school bags, "he said.
Parents and teachers are starting to tell children to only take home library books they will be reading that night. Some teachers are using pieces of paper or thin workbooks for students to take home.
One of the best answers is, as some children said, to have no homework at all!
小题1: From the passage we can know that .

A small plane had some trouble with its engine while it was in the high sky．The pilot knew that there was nothing he could do to keep the plane long in the air，so he rushed back to where his three passengers sat and explained the dangerous situation．At last he said，“ I am a married man with three children．I am sorry to tell you that there are only three parachutes aboard．” With that he took up one and jumped out．
One of the passengers reacted quickly．“I am a great man，I am the smartest man and the world can not do without me．”With that he too jumped out．
The other two passengers，an old man and a young soldier，were quiet for a moment．At last the old man said，“Son，I’m old and have lived a full life．I am ready to meet my God．”
“You will have to give up that，”the young man said，smiling，“The world’s smartest man just jumped out with my backpack．”
小题1:There was something wrong with the plane when _________．

A．it was at the airport	B．it was taking off
C．it was flying in the sky	D．it was landing

小题2:How many people were there in the pilot family?

小题3:The word “pilot” in this passage means a man who ______．

A．repairs a plane	B．is on watch at the airport
C．travels on a plane	D．flies a plane．

小题4:By saying I am ready to meet my God，“the old man” means _______．

A．he wanted the young man to use the last parachute．

B．he wanted to meet someone named God．

C．he wanted to kill himself

D．he wanted the young man to give him the parachute

小题5:Who was sure to die?

A．The pilot	B．The old man
C．The world’s smartest man	D．The young man

Helping others is easier than you think. You don’t need to wait to become a rich man like Bill Gates to help poor. You can become a volunteer, you can donate(捐献) your time, you can donate your old clothes and so on. And in doing so, you can become a better and happier person.
Choose some people to support. for example, homeless people, poor children and so on. All of these are suitable(合适的).
Decide what you are able to give. Yes! Sometimes it isn’t only money—you can donate your time as a volunteer, you can donate your knowledge teaching poor children, you can donate your old clothes, you can donate food or you can share a meal with a hungry child.
Tell people about it. Tell your friends or your children. Put it in your blog or on your website. In this way, the good work you do will be multiplied(增加)!
根据材料内容，选择最佳答案。
1. People usually think helping others is ________.
A. difficult          B. easy        C. interesting             D. exciting
2. How can you help others of you are poor according the passage?
A. Donate your money. B. Talk to them. C. Donate your time.  D. Play with them.
3. What’s the meaning of the underlined word “homeless”?
A.家境贫寒的            B.无家可归的       C.无依无靠的      D.没有父母的
4. How many ways does the passage tell us to do if we want to help others?
A. One.                   B. Two.           C. Three.            D. Four.
5. What’s the best title of this passage?
A. Help those who need help                      B. It is not easy to help others
C. How to be a happy person                         D. Donate your time

Do you know there are many kinds of grass? Some are tall. The kind that grows around your house is short grass. But field grass often grows as tall as a man.
Some food that we eat comes from plants of the grass family. Wheat and rice are two of them. We use wheat to make bread. We use both wheat and rice to make breakfast. At some places, people eat more rice than any other food.
Animals as well as people get food from the grass family. Cows eat hay(干草). Do you know the kind of grass that horses like to eat?
小题1:Which of the following belongs to(属于) the grass family?
A. Wheat. B. Rice. C. Apples. D. A and B.
小题2: We use ____ to make bread.

小题3:Which of the following doesn’t get food from the grass family?

小题4:Which of the following is wrong?
The grass family are all short.
There are many kinds of grass.
Field grass often grows as tall as a man.
Horses get food from the grass family.

The purpose（目的） of students51 come to school is to study. But52 needs the right way or we would waste the time or the money. The followings are ways for studying.
The 53time for reading is morning. Because in the morning, the air is fresh and our mind are clear. For that reason, we can get good results
When we study we must be patient（有耐心的）. If we don’t understand a test well, We must read it again. We should not read the next54 we have learned the first one well.
When we are studying we must put our hearts 55 the book. We can not read absent-mindedly（心不在焉的）, or we could get56 from the book while we are reading.
We must always ask “why”. If it is not57 understand, write it down ask our teacher or parents, brothers or friends, in58 possible way We must know it completely and then our knowledge can be 59well.
Though there many ways of studying,60, the above mentioned（提到的） be quite enough if we can keep it in heart.

A．something	B．anything
C．everything	D．nothing

A．use	B．used
C．been used	D．Be used

Dictionaries say that “spring fever” is a lazy or restless feeling . People usually have the feeling on the first warm day of spring. Everyone has probably felt it at one time or another . people have talked about it for years.
Recently, scientists have taken a good look at spring fever. What they found is quite surprising.
In many places we live in , the winter months often seem dark and dreary. When spring comes late March , the world becomes colorful . The number of daylight hours grows with each passing day. According to many scientists, all the sunlight sets off chemicals in the brain (大脑). The chemicals make our feeling change and bring on spring fever.
小题1:How do people who have spring fever feel ?

小题2:Scientists think that _________ cause(s) spring fever .

小题3: According to the passage ,the underlined word “dreary ”means“______” in Chinese.

小题4:The best title for the passage is ______________ .

A．How to Get Over Spring Fever	B．Spring Fever
C．Darkness in winter	D．Spring and winter

“If you want to see a thing well, reach out and touch it!”
That may seem a strange thing to say. But touching things can help you to see them better. Your eyes can tell you that a glass ball is round. But by holding it in your hands, you can feel how smooth and cool the ball is. You can tell how heavy the glass it. When you feel all these about the ball, you really see it.
With your skin, you can feel better. For example, your fingers can tell the difference between two coins in your pockets. You can feel a little drop of water on the back of your hand, too. You can even feel sounds against your skin. Have you wanted to know why some people like very loud music? They must like to feel the sounds of music.
All children soon learn what “Don’t touch!” means. They hear it often. Yet most of us keep on touching things as we grow up. In shops, we touch things we might buy: food, clothes. To see something well, we have to touch it.
The bottom of our feet can feel things, too. You know this when you walk on warm sand, cool grass or a hard floor. All feel different under your feet.
There are ways of learning to see well by feeling. One way is to close your eyes and try to feel everything that is touching your skin. Feel the shoes on your feet, the clothes on your body, the air on your skin. At first, it is not easy to feel these things. You are too used to them.
Most museums are just for looking. But today some museums have things for visitors to touch. Their signs say, “Do touch!” there you can feel everything on show.
If you want to see better, reach out and touch. Then you will really see.
小题1: By touching things ___________.

A．you will have a strange feeling

B．you will learn how to reach out your hand

C．you can see them well

D．you can tell what colors they are

小题2:According to the passage, which of the following CANNOT feel things?

小题3: Why does it say “At first, it is not easy to feel these things?” Because ___________

A．the things are used by people too

B．people feel the things too much

C．people know how to use the things

D．these things are familiar to you

小题4:You can see the sign "Do touch!"_____________________.

小题5:The best way to see the world well is to ___________________.

I loved my mother’s desk since I was just tall enough to see above the top of it when mother sat doing letters. Looking at the ink bottle, pens and white paper, I decided that the act of writing must be the most wonderful thing in the world.
Years later, during her final illness, mother kept different things for my sister and brother,“But the desk,”she said again,“is for Elizabeth. ”
I never saw her get angry, and never saw her cry. I knew she loved me, and she showed it in action. But as a young girl, I wanted heart-to-heart talks between mother and daughter.
They never happened and a gulf opened between us. I was “too emotional (易动感情的)”, but she lived“on the surface”.
As years went by and I had my own family. I loved my mother and thanked her for our happy family. I wrote to her in careful words and asked her to let me know in any way that she did forgive (原谅) me.
I posted the letter and waited for her answer. It didn’t come.
It seemed that nothing happened. I couldn’t be sure that the letter had even got to her.
I only knew that I had written it, and I could stop trying to make her into someone she was not.
Now the present of her desk told me that she was pleased that writing was my chosen work, though she had never been able to. I cleaned the desk carefully and found some papers inside… a photo of my father and a one-paper letter. Folded (折叠) and refolded many times.
Give me an answer, my letter asks, in any way you choose. Mother, you always chose the act that speaks louder than words.
小题1:The writer began to love her mother’s desk ______.

A．after mother died	B．when she was a child
C．before she became a writer	D．when mother gave it to her

小题2:The passage shows that mother _______.

A．was too serious about everything her daughter had done

B．was cold on the surface but kind in her heart to her daughter

C．cared much about her daughter in words

D．wrote to her daughter in careful words

小题3:The word“gulf”in the 4th paragraph means _______.

A．deep understanding between the old and the young

B．part of the sea going far in land

C．free talks between mother and daughter

D．different ideas between mother and daughter

小题4:What did mother do with her daughter’s letter asking for forgiveness？

A．She read the letter again and again till she died.

B．For years, she often talked about the letter.

C．She didn’t forgive her daughter at all in her life.

D．She had never received the letter.

小题5:What’s the best title of the passage？

A．My Letter to Mother	B．Mother and Children
C．My Mother’s Desk	D．Talks Between Mother and Me

A．Sunshine ,water ,air and the roots	B．Air ,sunshine and water
C．Water ,air and meat	D．Water ,sunshine and animals

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