XX. Read the text then circle the best answer.

Many people still believe that natural resources will never be used up.Actually,the worlds energy resources are limited.Nobody knows exactly how much fuel is left. However, we should use them economically and try to find alternative sources of power. According to Professor Marvin Burnham of the New England Institute of Technology, we have to start conserving coal, oil and gas before it is too late; and nuclear power is the only alternative.

However, many people don't approve of using nuclear power because it is very dangerous. What would happen if there were a serious nuclear accident? Radioactivity causes cancer and may badly affect the future generations. The most effective thing is that we should use natural resources as economically as possible.

1. According to the passage, using nuclear power is...............

A. dangerous B. interesting C. safe D. cheap

2. Radioactivity from nuclear power.................

A. is harmless

B. alters a new kind of energy

C. is necessary to cure diseases

D. causes cances and may badly affect the future generations

3. How much fuel is left?

A. No one knows exactly B. Let' s use it as much as we would like

C. There is a lot of fuel D. It will never be used up

4. We should use coal, oil and gas...............

A. carelessly B. as economically as possible

C. as much as possible D. all are incorrect

Read the text, then decide True or False:

The environment is everything around us, both natural and made by man. A major problem in the world today is the destruction of the natural envirinment. This is a complicated problem. We burn fuel, and this causes air pollution. We throw away plastc bags, containing toys and other subjects. These stay in the environment; they are not like paper or wood that slowly disappear. We have made thousands of new chemicals. Factories that make or use chemicals always have chemical wastes. These are often poisonous and thay also stay in the environment. Since 1945 several countries have been testing nuclear bombs in the air and underground. The explosions in the air cause nuclear fallout. The fallout causes cancer and kills animals and people. Nuclear power plants that make electricity also produce dangerous wastes and have accidents that can be very dissstrous.

a. Many big cities are facing serious air polltuion……………..

b. This is a simple problem ………………

c. Nuclear bombs were first tested in 1945………………….

d. A nuclear bomb causes a terrible destruction………………………….

III. READING COMPREHENSION

Read the following passage and decide if it is True or False

   Many people still believe that natural resources will never be used up. Actually, the world’s energy resources are limited. Nobody knows exactly how much fuel is left. However, we also should use them economically and try to find out alternative sources of power. According to Professor Marvin Burnharm of the New England Institude of Technology, we have to start conserving coal, oil and gas before it is too late; and nuclear power is the only alternative.

   However, many people do not approve of using nuclear power because it’s very dangerous. What would happen if there was a serious nuclear accident? Radioactivity causes cancer and may badly affect the future generations.

   The most effective thing is that we should use natural resources as economical as possible.

Radioactivity from nuclear power causes cancer and may have bad effect on the future generations. ___________

Read the following passage and decide if it is True or False

   Many people still believe that natural resources will never be used up. Actually, the world’s energy resources are limited. Nobody knows exactly how much fuel is left. However, we also should use them economically and try to find out alternative sources of power. According to Professor Marvin Burnharm of the New England Institude of Technology, we have to start conserving coal, oil and gas before it is too late; and nuclear power is the only alternative.

   However, many people do not approve of using nuclear power because it’s very dangerous. What would happen if there was a serious nuclear accident? Radioactivity causes cancer and may badly affect the future generations.

   The most effective thing is that we should use natural resources as economical as possible.

Question: Radioactivity from nuclear power causes cancer and may have bad effect on the future generations.

A. True

B. False

1.      What can be done to protect people from __________ disasters?

         A. environment              B. environmental        C. environmentally    D. environmentalist

2.      Emergency teams are still clearing the __________ from the plane crash.

         A.debris.                     B. dust                                     C. piece                                   D. waste

III. Choose the best answer A, B, C or D to complete the sentences:

1. What can be done to protect people from __________ disasters?

A. environment                 B. environmental          C. environmentally       D. environmentalist

2. All our English teachers are __________ speakers.

A. native                            B. original                    C. foreign                      D. foreigns

3. The heavy rain has caused __________ in many parts of the country.

A. storms                           B. floods                       C. drought                     D. flood

4. Science is used in all corners of the world for the __________ of people.

A. interest                          B. need                          C. profits                       D. benefit

5. The new invention could have a wide range of __________ in industry.

A. applications                   B. concerns                   C. goodness                   D. advance

6. Too much carbon dioxide in the air can be __________ for humans to breathe.

A. poisonous                      B. unfriendly                 C. healthy                      D. poison

7. Teenagers often use abbreviations when ___________.

A. texting                          B. video conferencing      C. sending letters          D. talking

8. The ___________ in technology allow astronomers to know more about outer space.

A. developments               B. science                         C. exploration                D. discovery

9. To generate cheap and clean energy, instead of burning fossil fuels, scientists have developed____.

A. oil                                  B. solar panels                  C. electricity                  D. coal burning

10. Mary wondered if Neptune __________ larger than Saturn.

A. was                                B. being                            C. is                                D. be