Today just as technology changed the face of industry, farms have experienced an “agricultural revolution”. On the farm of today, machines provide almost all the power.

     One of the most important benefits will be the farm puter. A few forward-looking farmers are already using puters to help them run their farms more efficiently. The puters help them keep more accurate records so they can make better decisions on what crops to plant, how much livestock(家畜) to buy, when to sell their products, and how much profit they can expect. Many puter panies have been developing special puter programs just for farmers. Programs are being written for pig producers, grain farmers, potato farmers, and dairy farmers. In the future, farmers will be able to purchase puter programs made to their needs. Because of the growing importance of puters on the farm, students at agricultural colleges are required to take puter classes in addition to their normal agricultural courses. There can be no doubt that farmers will rely on puters even more in the future. While the old-time farm depended on horse power, and modern farms depend on machine power, farms of the future will depend on puter power.

Another technological advance which is still in the experimental stage is the robot, a real “mechanized hired hand” that will be able to move and, in some ways, think like a human being. Agricultural engineers believe that puter-aided robots will make shocking changes in farming before the end of the century. Unlike farmers of the present, farmers of the future will find that many day-to-day tasks will be done for them. Scientists are now developing robots that will be able to shear（修剪） sheep, drive tractors, and harvest fruit. Even plex jobs will be done by robots. For example, in order to milk their cows, farmers must first drive them into the barn, then connect them to the milking machines, watch the machines, and disconnect them when they are finished. In the future, this will all be done by robots. In addition, when the milking is pleted, the robots will automatically check to make sure that the milk is pure. The plete change of the farm is far in the future, but engineers expect that some robots will be used before long.

Which sentence carried the main idea of the whole passage?

    A. The first sentence of the third paragraph.

    B. The first sentence of the second paragraph.

    C. The first sentence of the first paragraph.   

D. The last sentence of the second paragraph.

According to the passage, puters can not help farmers decide _______.

    A. how much money they can earn from their products

    B. whether to plant a certain kind of crop

    C. what livestock to raise

    D. when to sell their products

Which of the following statements is true?

    A. Farmers in the future will depend totally on puters.

    B. Farmers mainly use machines on their farms at present.   

C.  Both puters and robots have been in use on today’s farms.

   D. Students at agricultural colleges must take puter classes because they can do

Nothing without the help of puters on today’s farms.

What is the best title for the whole passage?

    A. puter, Farmers’ Best Friend                 B. Farmers in The Future

    C. The Agricultural Revolution                       D. puters and Robots

Today just as technology changed the face of industry, farms have undergone an “agricultural ”. On the farm of today, machines provide almost all the power.

One of the most important benefits will be the farm computer. A few forward-looking farmers are already using computers to help them run their farms more efficiently. The computers help them keep more accurate records so they can make better decisions on what crops to plant, how much livestock to buy, when to sell their products, and how much profit they can expect. Many computer companies have been developing special computer programs just for farmers. Programs are being written for hog producers, grain farmers, potato farmers, and dairy farmers. In the future, farmers will be able to purchase computer programs made to their needs. Because of the growing importance of computers on the farm, students at agricultural colleges are required to take computer classes in addition to their normal agricultural courses. There can be no doubt that farmers will rely on computers even more in the future. While the old-time farm depended on horse power, and modern farms depend on machine power, farms of the future will depend on computer power.

Another technological advance which is still in the experimental stage is the robot, a real “mechanized hired hand” that will be able to move and, in some ways, think like a human being. Agricultural engineers believe that computer-aided robots will make startling changes in farming before the end of the century. Unlike farmers of the present, farmers of the future will find that many day-to-day tasks will be done for them. Scientists are now developing robots that will be able to shear sheep, drive tractors, and harvest fruit. Even complex jobs will be done by robots. For example, in order to milk their cows, farmers must first drive them into the barn, then connect them to the milking machines, watch the machines, and disconnect them when they are finished. In the future, this will all be done by robots. In addition, when the milking is completed, the robots will automatically check to make sure that the milk is pure. The complete mobilization of the farm is far in the future, but engineers expect that some robots will be used before long.

Which sentence carries the main idea of the whole passage?

   A. The first sentence of the first paragraph.

   B. The first sentence of the second paragraph.

   C. The first sentence of the third paragraph.

   D. The last sentence of the second paragraph.

According to the passage, computers can not help farmers decide _______.

A. how much money they can earn from their products

B. whether to plant a certain kind of crop

C. what livestock to raise

D. when to sell their products

Which of the following statements is true?

A. Farmers in the future will depend totally on computers.

B. Both computers and robots have been in use on today’s farms.

C. Farmers mainly use machines on their farms at present.

D. Students at agricultural colleges must take computer classes because they can do nothing without the help   of computers on today’s farms.

What is the best title for the whole passage?

A. Computer, Farmers’ Best Friend                

B. Farmers in The Future

C. The Agricultural Revolution                       

D. Computers and Robots

A young man named Charles Lyell had different ideas .He wrote a book about them called Principles of Geology .The earth ,according to Lyell ,was not only thousands of years old ,it was millions of years old .As to（关于）the common belief that changes in the earth's surface happen suddenly because of a single earthquake or flood ,he said that this might happen once in a while ,but usually these changes took place very slowly .He believed that the surface of the earth had been changing from the beginning of time .The changes ,he said ,were caused by the long-term action of the winds and seas ,and by forces such as volcanoes breaking out under the earth's surface .Once in a great while he thought ,a mountain might appear for the first time after an earthquake .But usually mountains would rise slowly and steadily.? Professor Henslow was interested in Lyell's ideas ,but he did not actually believe them .Charles Darwin could not make up his mind about them .But they set him thinking along lines which would later change the beliefs of thoughtful people all over the world.?

At Cambridge ,Charles Darwin studied just enough to pass the examination ,and received his college degree in 1831.During this time ,he had become more and more interested in geology .At the end of the school year ,he went to North Wales with one of his teachers to examine the rock formations（构成） and to search for fossils（化石）.Fossils are the remains of ancient living things .They are usually found fixed in rocks in the earth's crust（地壳）.Fossils may be of animals ,such as fish ,insects ,birds ,or humans .They may be of plants from tiny leaves to huge trees.? When a living creature dies ,it usually decays（腐烂）or is eaten by animals .However ,if it sinks into a riverbed or is quickly covered by the blowing sands of a desert storm ,the bones are kept up in the earth. Over many years the soft inner parts of a bone disappear ,leaving the inside hollow. Water containing mineral enters into the hollow. Slowly the mineral hardens and makes the bone hard and heavy,like stone.

1.According to Charles Lyell, it is mainly _______ that the earth has been formed like today's shape.?

A.from the beginning of time

B.past some experiences of big flood?

C.over a very long period of years

D.because of several big earthquakes

2.Charles Lyell believed the fact that a mountain is formed_______.?

A.more by seas than by volcanoes

B.more slowly than suddenly?

C.more by an earthquake than by winds

D.more steadily than quickly?

3.Unlike Professor Henslow ,Charles Darwin_______.?

A.never thought Lyell's ideas were right?

B.did made up his mind not to accept Lyell's ideas?

C.thought about what the world were then thinking about?

D.thought over Lyell's ideas and developed them?

4.The main purpose of Darwin's going to North Wales was to_______.?

A.make a study of fossils

B.appreciate the rock information?

C.do research work into dead animals

D.look for plants from tiny leaves to huge trees

Today just as technology changed the face of industry, farms have undergone an “agricultural revolution”. On the farm of today, machines provide almost all the power.
One of the most important benefits will be the farm computer. A few forward-looking farmers are already using computers to help them run their farms more efficiently. The computers help them keep more accurate records so they can make better decisions on what crops to plant, how much livestock to buy, when to sell their products, and how much profit they can expect. Many computer companies have been developing special computer programs just for farmers. Programs are being written for hog producers, grain farmers, potato farmers, and dairy farmers. In the future, farmers will be able to purchase computer programs made to their needs. Because of the growing importance of computers on the farm, students at agricultural colleges are required to take computer classes in addition to their normal agricultural courses. There can be no doubt that farmers will rely on computers even more in the future. While the old-time farm depended on horse power, and modern farms depend on machine power, farms of the future will depend on computer power.
　　Another technological advance which is still in the experimental stage is the robot, a real “mechanized hired hand” that will be able to move and, in some ways, think like a human being. Agricultural engineers believe that computer-aided robots will make startling changes in farming before the end of the century. Unlike farmers of the present, farmers of the future will find that many day-to-day tasks will be done for them. Scientists are now developing robots that will be able to shear sheep, drive tractors, and harvest fruit. Even complex jobs will be done by robots. For example, in order to milk their cows, farmers must first drive them into the barn, then connect them to the milking machines, watch the machines, and disconnect them when they are finished. In the future, this will all be done by robots. In addition, when the milking is completed, the robots will automatically check to make sure that the milk is pure. The complete mobilization of the farm is far in the future, but engineers expect that some robots will be used before long.
【小题1】Which sentence carried the main idea of the whole passage?

C
Today just as technology changed the face of industry, farms have experienced an “agricultural revolution”. On the farm of today, machines provide almost all the power.
One of the most important benefits will be the farm computer. A few forward-looking farmers are already using computers to help them run their farms more efficiently. The computers help them keep more accurate records so they can make better decisions on what crops to plant, how much livestock(家畜) to buy, when to sell their products, and how much profit they can expect. Many computer companies have been developing special computer programs just for farmers. Programs are being written for pig producers, grain farmers, potato farmers, and dairy farmers. In the future, farmers will be able to purchase computer programs made to their needs. Because of the growing importance of computers on the farm, students at agricultural colleges are required to take computer classes in addition to their normal agricultural courses. There can be no doubt that farmers will rely on computers even more in the future. While the old-time farm depended on horse power, and modern farms depend on machine power, farms of the future will depend on computer power.
Another technological advance which is still in the experimental stage is the robot, a real “mechanized hired hand” that will be able to move and, in some ways, think like a human being. Agricultural engineers believe that computer-aided robots will make shocking changes in farming before the end of the century. Unlike farmers of the present, farmers of the future will find that many day-to-day tasks will be done for them. Scientists are now developing robots that will be able to shear（修剪） sheep, drive tractors, and harvest fruit. Even complex jobs will be done by robots. For example, in order to milk their cows, farmers must first drive them into the barn, then connect them to the milking machines, watch the machines, and disconnect them when they are finished. In the future, this will all be done by robots. In addition, when the milking is completed, the robots will automatically check to make sure that the milk is pure. The complete change of the farm is far in the future, but engineers expect that some robots will be used before long.
49. Which sentence carried the main idea of the whole passage?
A. The first sentence of the third paragraph.
B. The first sentence of the second paragraph.
C. The first sentence of the first paragraph.   
D. The last sentence of the second paragraph.
50. According to the passage, computers can not help farmers decide _______.
A. how much money they can earn from their products
B. whether to plant a certain kind of crop
C. what livestock to raise       D. when to sell their products
51. Which of the following statements is true?
A. Farmers in the future will depend totally on computers.
B. Farmers mainly use machines on their farms at present.   
C.  Both computers and robots have been in use on today’s farms.
D. Students at agricultural colleges must take computer classes because they can do
nothing without the help of computers on today’s farms.
52. What is the best title for the whole passage?
A. Computer, Farmers’ Best Friend               B. Farmers in The Future
C. The Agricultural Revolution                    D. Computers and Robots