摘要: A. wide B. narrow C. busy D. free

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  Are you carrying too much on your back at school? You're not alone. Back experts in the USA were worried that young students are having back and neck problems because they are carrying too much in their backpacks (schoolbags).

  

  “It hurts my back when   I run,” said Ebelin Reyes, a student in Virginia. “It's hard to get up the stairs with my backpack because it's too heavy. ” Students have to carry heavy backpacks on their backs for a whole week's study. Ebelin is one of them. They have regular backpacks with two straps(带子) to carry them, but a number of students with heavy loads (负荷) have switched to rolling backpacks. The backpacks have wheels (轮子) and can roll on the ground. Shirley Park's backpack weighs (重) 10 kilos, and she said,“I'll change to a rolling backpack because I am starting to have back pain. ”

  

  How much is too much? Experts say that students should carry no more than 10 to 15 percent (百分之……) of their own body weigh. A few students have had a good idea to lighten (减轻) the load: less homework .

  

  Doctor's suggestions (建议):

  

1.Lighten the load. Take home only the books the students need that day.

2.Wide straps are better. They can send out weight over your shoulders (肩) and be sure to wear backpacks with two straps.

3.The heaviest things should be packed closest to the back.

4.Bend (弯曲) both knees when you pick up the pack, don't just bend over the waist.

(1) The main idea of the passage is about_________.

[  ]

A. the problems made by rolling backpacks

B. the goodness of backpacks

C. the best backpacks for students

D. how to lighten students' backpacks

(2) From what Ebelin Reyes and Shirley Park said, we know________.

[  ]

A. students have to carry heavy backpacks

B. students have to do homework

C. backpacks with wheels are bad for students

D. students have no time to play because of homework

(3) In the text“switch to” means_________.

[  ]

A. use for
B. turn to
C. catch up
D. begin to use

(4) By the words of the experts, it's better for a student of 40 kilos to carry a backpack of ________ at most.

[  ]

A. 10 kilos
B. 8 kilos
C. 6 kilos
D. 7 kilos

(5) If students follow the doctor's suggestions, they_________.

[  ]

A. may do less homework

B. may feel their backpacks are lighter

C. can learn how to enjoy themselves

D. will know how to use backpacks

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  There once lived in Greece a learned man.He was so well-known for his wide knowledge of almost everything that lots of people from all over the country came to learn things from him.The great man taught his students whole-heartedly and answered their questions with great patience(耐心).

  One day a student asked him, “ My dear teacher, didn’t you say you yourself have many, many more questions about things than we do?On the contrary(恰恰相反),we students have far more questions than you.”

  With a smile, the teacher drew two circles-one as large as a big wheel(轮子)the other smaller.

  “ Of course, I’ve learned much more.But a teacher does not necessarily have fewer questions than his students.Now, look at these two circles.Within the big one is my knowledge of things, and within the smaller one yours.Out of the circles is what is still unknown to us.Since mine is larger, the line that marks out(划出……的界线)the circle is longer.That means I have more chances to face what is still unknown.And that’s why I myself have more questions than you do.The more you learn, the more questions you have.You will never learn enough, you know.”

(1)

One of his students didn’t agree that ________.

[  ]

A.

the teacher should have so many questions

B.

the teacher had more questions than the students

C.

the students had more questions than the teacher

D.

the teacher had as many questions as the students

(2)

Which of the following pictures tells rightly what the teacher drew?

[  ]

A.

B.

C.

D.

(3)

The teacher drew circles in order to show ________.

[  ]

A.

he knew a lot and was good at drawing

B.

how one could get more knowledge

C.

why he had more questions than students

D.

what the students.Learned had something to do with circles

(4)

The passage mainly tells us that ________.

[  ]

A.

we should learn from a learned man

B.

we’ll never learn enough

C.

a teacher should be patient

D.

it is never too old to learn

(5)

The teacher was very famous for ________.

[  ]

A.

his patience

B.

the drawing of two circles

C.

his help to the students

D.

his knowledge

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