46.A.brightB.hardC.strongD.big
47.A.makeB.produceC.doD.form
48.A.whiteB.brightC.lovelyD.fine
49.A.OftenB.ActuallyC.UsuallyD.Sometimes
50.A.even thoughB.in caseC.so long asD.only if
51.A.whichB.whoC.whatD.when
52.A.manageB.tryC.learn D.work
53.A.sand B.shellC.itD.itself
54.A.sandB.liquidC.fluidD.pearl
55.A.lessB.moreC.fewerD.smaller
Ⅳ.阅读理解(40分)
A
The climate of any place is the kind of weather it usually has over a long period of time. The houses we live in the clothes we wear, even the foods we eat depend on the climate of the place where we live.
Climate is a pattern that is not nearly as simple as we think, it is affected by many factors(因素). The distance to the North or South Pole or to the equator really matters a lot. If you live near either of the poles, you live in a cold climate, for the place where you live does not get as much or as direct sunshine as a place farther away from the poles. In places close to the equator(赤道), the climate is very hot, for they are the parts where the sun shines almost straight down.
The amount of rain or snow falls makes a great difference to the climate. In hot day deserts, little rain falls, but in a hot rain forest, the amount of rainfalls is far larger than that in a desert, for there is a heavy rain almost every day, even several times per day.
Though a rainforest and desert may be the same distance from the equator, their climates are rather different from each other.
How much rain or snow falls are considered by some to be determined by the winds, the surrounding mountains and the currents(水流)in nearby seas and so on. In short, it is a very complex natural phenomenon(现象).
56.This passage mainly talks about _______.
A.weatherB.different climate
C.climate and its determining factorsD.the difference between weather and climate
57.From this passage, we know climate and weather are _____ and climate is ______.
A.almost the same; the general term of weather
B.quite different; the average weather conditions at a particular place over a period of time
C.not the same; included by weather
D.very much alike; bigger and weather is smaller
58.According to this passage, the most important factor that determines the cold climate in the
Antarctica and the Arctic and the hot climate in equator is ______.
A.how near is a place near to either pole or the equator
B.the different angles(角度)at which the sun shines
C.that the equator is in the middle of the globe while the Antarctica and the Arctic are at the
ends of the poles
D.their different geographical positions on the earth
59.The difference of the climates between a tropical desert and a tropical rainforest affected by
______.
A.the amount of rainfalls
B.the winds and the surrounding mountains
C.the currents in nearby seas
D.how much rain the two different places can get
B
Laptop(便携式)computers are popular all over the world. People use them on trains and airplanes, in airports and hotels. These laptops connect people to their workplace. In the United States today, laptops also connect students to their classrooms.
Westlake College in Virginia will start a laptop computer program that allows students to do schoolwork anywhere they want. Within five years, each of the 1,500 students at the college will receive a laptop. The laptops are part of a $10 million computer program at Westlake, a 110-year-old college. The student with laptop will also have access(通道)to the Internet. In addition, they will be able to use E-mail to “speak” with their teachers, their classmates, and their families. However, the most important part of the laptop program is that students will be able to use computer without going to computer labs. They can work with it at home, in a fast-food restaurant or under the trees----anywhere at all.
www.jiaoshi66.comwww.jiaoshi66.comBecause of the many changes in computer technology, laptop use in higher education, such as colleges and universities, is workable. As laptops become more powerful, they become more similar to desktop computers. In addition, the portable(可携带的)computers can connect students to not only the Internet, but also libraries and other resources. State higher-education officials are studying how laptops can help students. State officials also are testing laptop program at other universities, too.
At Westlake College, more than 60 percent of the staff(成员)use computers. The laptops will allow all teachers to use computers in their lessons. As one Westlake college teacher said, “Here we are in the middle of Virginia and we’re giving students a window in the world. They can see everything and do everything.”
60.The main purpose of the laptop program is to give each student a laptop to ______.
A.use for their schoolwork
B.access the Internet
C.work at home
D.connect them to libraries
61.Why is the word “speak ” in the second paragraph in quaotation marks?(引号)
A.They don’t really talk
B.they use the computer language
C.laptops have speakers
D.None of the above reasons is correct
62.Which of the following is true about Westlake College?
A.All teachers use computers
B.1,500 students have laptops
C.It is an old college in America
D.Students there can do everything
63.A window in the world in the last paragraph means that students can ______.
A.attend lectures on information technology
B.travel around the world
C.get information from around the world
D.have free laptops
C
There are many problems connected with space travel. The first and greatest of them is gravity(重力). If you let your pencil drop to the floor, you can see gravity in action. Everything is held to the earth by the force, which can be described by its weight. A rocket must go at least 2,500 miles an hour to take anyone beyond the gravity of the earth into space.
Another problem is the strain(紧张)that a person feels when a rocket leaves the ground. Anything that is not moving tends to keep stills. As the rocket leaves the ground, it pushes upwards strongly and the person in it is pushed backed against the chair. Gravity gives the body a force equal to nine times its normal force.
Once out of the earth’s gravity, an astronaut is affected by another problem, weightlessness. Here, if a pencil drops, it does not fall. If a glass of water is turned upside down, the water will not fall out. All of us are used to gravity. Recent long flights have shown that the body needs special exercise in a spaceship.
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