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having back and neck problems as a result of carrying too much in their backpacks (schoolbags)
“It hurts my back when I run,”said Oberlin Reyes, a student in Virginia. “It’s hard to go up the stairs with my backpack,because it’s too heavy,” Oberlin was among students whose backpacks were weighed for a week in a recent study.
They had regular backpacks with two straps(带子)to carry them, but a number of students with heavy loads had switched to rolling backpacks (which have wheels and can roll on the ground).
Shirley Park, whose backpack weighed 10 kilograms,said she changed to a rolling backpack because she was starting to have back pain.
How much is too much?Experts say students should carry no more than 10 to 15 percent of their own body weight.
A few students had one suggestion to lighten the load:less homework. P.S.( 附)Doctor’s suggestion:
1 Lighten the load. Clean out binders(活页材料)and take home only the books you need that night.
2 Wide straps are better. They send out the weight over your shoulders more evenly(均匀)。 And be sure to wear both straps rather than hanging the pack over one shoulder.
3. Pack smart. The heavier things should be packed closed to the back.
4.Bend both knees when you pich up the pack ,and don’t just bend over at the waist.(腰)
41.“_________”is the main idea of the text. A The problem of backpacks is worth studying. B The problem made by heavy backpacks C What is the best backpack for a student.
D How to make students’ backpacks light. 1kejian.com
42. According to Oberlin Reyes and Shirley Park, we know________. A students have to do too much homework B students have to carry several backpacks
C backpacks without wheels are bad for students D too much homework leaves students no free time
43. The expression “switched to” in the text perhaps means________. A started to use B turned to C caught up D used for
44. According to the passage ,it’s better for a student of 40 kilograms to carry a backpack of _____at most by the words of experts.
A 10kg B 8kg C 6kg D 7kg
45. If students follow the doctor’s suggestions they ________. A may lighten their backpacks B can learn how to help themselves C may feel their backpacks are lighter D will know how to wear backpacks
C
Now satellites(卫星)are helping to forecast(预报)the weather. They are in space and they can reach any part of the world.The satellites take pictures of the atmosphere(大气), because this is where the weather forms(形成)。They send these pictures to the weather station. So meteorologists(气象专家)can see the weather of any part of the world. From the pictures, the scientists can often say how the weather will change. Today, nearly five hundred weather stations in sixty countries receive satellite pictures. When they receive new pictures,the meteor- ologists compare(比较)them with earlier ones. Peerhaps they may find that the clouds have changed during the last few hours .This may mean the weather on the ground may soon change,too. In their next weather forecast, the meteorologists can say this.
So the weather satellites are a great help to the meteorologists. Before satellites were invented, the scientists could forecast the weather for about 24 or 48 hours. Now they can make good forecasts for 3 or 5 days. Soon,perhaps , they may be ablet to forecast the weather for a week or more ahead(提前)
46. Satellites travel__________.
A in space B in the atmosphere C above the ground D above space
47. Why do we use the weather satellites to take pictures of the atmosphere? Because___________.
A the weather satellites can do it easily B clouds form there
C the weather forms there
D the pictures can forecast the weather
48. Meteorologists forecast the weather________. A when they have received satellite pictures
B after they have compared new satellite pictures with earlier ones C before they receive satellite pictures
D while they study satellite pictures
49. Maybe we’ll soon be able to forecast the weather for _______.
A one day B two days C five days D seven days or even longer
50. The main idea of this passage is that satellite are now used in______.
A taking pictures of the atmosphere B receiving pictures of the atmosphere C doing other work in many ways D weather forecasting
D
More than a hundred years ago, an American produced a game. He called it indoor tennis. The Americans were not interested in it at first so he sent it to his London friends and it became very popular in Britain.The game was then played across the dining room table, or on the floor with the net hung between two chairs. The balls were made of cork or rubber.The bats were made of wood.
A few years later a hollow ball like the one we use today was invented. The game then quickly spread all over the world. An Englishman once made a bat covered with rubber. He first played the game in England and called it “ping-pong”. “Ping”was the sound of the bat when it hit the ball. and “pong” was the sound of the ball when it hit the table. 51. Who invented the game of ping-pong?
A A Chinese B An Englishman C An American D We don’t know
52. The game was first known as_________. A ping-pong tennis B table tennis C outdoor tennis D indoor tennis 53. What did the British think of the game?
A Moving B Interesting C Terrible D Well 54. In the early days the ball was ______________. A hollow B covered with rubber
C made of cork and rubber D made of plastics
55. The name of ping-pong has something to do with_______. A sound B size C history D place 四、短文还原。(每小题2分,共10分)
Lucy: Hi, Peter. I haven’t seen you for a long time. Peter: You know I’m busy with the exam.
Lucy: Well, ___56_____
Peter: I’ve no idea, I’d just like to relax somewhere because I feel
tired these days.
Lucy: ___57___It’s really a nice place. Peter: Sounds good, ___58____
Lucy: It’s always sunny and warm . You can go to the beach, enjoy
the seafood. ___59__ It’s cheaper and closer to nature.
Peter: Good idea. I loke camping . It’s a good way to forget our
school work for a while. ___60___
Lucy: It’s my pleasure. Have a good trip. A.But what’s the weather like there ? B. Thanks for your suggestions. C. Where did you go last summer? D. And you can also go camping there. E. What are your plans for the coming summer vacation. F. And you can play with snow. G. Why not go to Qingdao?
第二部分:非选择题。(40分)
五:根据短文内容及首字母提示,填写所缺单词,使短文意思完整。(共
10题,计10分)
Middle school is going to use a new way to decide who are the 61.b______students in your class. The top students won’t only have high marks. They will also be kids who don’t dye(染) their hair, 62. s______or drink. Here are some of the new rules.
Tell the truth. Have you 63. e______ copied someone else’s work on an exam? Don’t do it again! If you have 64. p______ computer games for two hours in your room, don’t tell your parents you have done homework.
Do more at school. Good students love animals and care for other people. You should learn more about animals and try to 65. p______ them. Be 66. f______ to other people. Try to think of others , not only yourself.
Be open to new ideas. Have you ever 67. t______ that people could live on the moon? You should welcome new ideas, because they make life 68. b______ for everyone.
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