A teacher showed three toys to his students and asked them to find out the differences. All the three toys seemed to have the same shape, size and material. After looking at them carefully, the students discovered holes in the toys. The first toy had holes in the ears. The second toy had holes in its ear and mouth. The third toy had only one hole in one of its ears.

Then the teacher put a needle(针) in one ear hole of the first toy. The needle came out of the other ear. For the second toy, when the needle was put in its ear , it came out of its mouth. And for the third toy, when the needle was put in, it did not come out.

So the teacher explained to his students,“ The first toy represent those people who seem to be listening to you and caring for you. But they are just pretending to do so. After listening, as the needle comes out from the next ear, the things you said to them are gone. In fact, they don’t care for you at all.”

“The second toy represents those people who listen to you and care for you. But as in the toy, the needle comes out from mouth, these people will use what you tell them to fight against you. They tell others what you said and tell your secrets for their purposes.”

“As for the third toy, the needle does not come out. It represents those people who will keep the trust you put in them. They are the ones that you can believe.”

1.All the toys that the teacher showed_______.

A. were made from different materials

B. had different sizes

C.had different shapes

D. had different holes

2.When a needle was put in one ear of the first toy, it _______.

A.didn’t come out

B. came out from its mouth

C. came out of the other ear

D. came out from the same ear

3.People who use the words you told them to hurt you are like_______.

A. the first toy B. the second toy

C. the third toy D. the fourth toy

4.The teacher’s purpose of showing the toys was_______.

A. to do an experiment

B. to teach toys how to make a friend

C. to give a science class

D. to help students know different people

5. Which of the following is TRUE according to the passage?

A. All the toys had two holes and had no differences.

B. All the toys were made by the teacher and the students.

C. The third toy represents the people who you can believe.

D. The first two toys represent the people who don’t really listen to you.

There are different ways in which people try to deal with the problem of energy. One way is the

greater production of common energy sources(能源), such as coal, oil and gas. The trouble with these sources, however, is that they are not renewable.

Another way is energy conservation(节能), which means using energy more efficiently(有效地).

In some very cold countries people build special houses to save energy. They place materials between the inside and the outside of the walls of the house to keep the cold out and the warmth in. The house is heated by the lights, the body heat of the people and the other equipment in it.

Finally, renewable energy sources are used even though they are often expensive to develop.

One form of these is geothermal energy. In certain parts of the world the temperature of the earth increases thirty degrees centigrade with each kilometre down. At six kilometres, therefore, it rises to nearly two hundred degrees. To get the heat, water is pumped(压;抽)down into the rocks and back up to the surface. Heat from the earth is already used in certain countries.

1.The writer tells about the "special houses" because they __________

A. show the excellent skills of the builders

B. serve as an example of energy conservation

C. are heated by different sources of energy

D. are warmer than other types of houses

2.The underlined words geothermal energy in the third paragraph mean________

A. renewable source B. underground source

C. heat inside the earth D. temperature of the earth

3.At a place where the surface temperature is 15℃, how deep do you have to dig so as to get a temperature of 75℃?

A. One km. B. Two km.

C. Three km. D. Four km.

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