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1. The World Wildlife Fund is working to protect and save the forests that are in ______.
A. danger B. survival
C. interfere D. interest
2. The little girl ______ I borrowed this pen is absent from school today.
A. about whom B. of whom
C. to whom D. from whom
3. _________ is produced from the heat stored in the earth’s core.
A. Nuclear energy B. Wind energy
C. Geothermal energy D. Water energy
4. Oil, coal and natural gas are _______________.
A. fossil fuels B. nuclear power
C. solar system D. hydropower
1. The panda's ............ habitat is the bamboo forest
A. nature B. natural C. naturalized D. naturally
2. Learners can feel very .............. if an exercise is too difficult
A. courageous B. encouraging C. unharmed D. harmless
Có lộn key anws không?
3. Oil , coal and natural gas are ................. fuels made from decayed material from animal or plants
A. unleaded B. smokeless C. solid D. fossil
4. Neil Armstrong , an American ....................... , was the first man to step on the moon's surface
A. scientist B. cosmonaut C. astronaut D. astronomer
5. The Great Wall of China is considered one of the greatest wonders in the world .............. its magnificence and significance
A. in spite of B. because C. instead of D. thanks to
6. Pioneers , ................... in isolated areas of the United States , were almost totally self - sufficient
A. who living B. living C. lived D. that lived
7. ..................... on the phone
A. It is his mother whom is B. It was his mother whom is
C. It was his mother who is D. It is his mother who is
8. .................. a high level of blood cholesterol
A. It is eggs that contain B. Those are eggs it contains
C. It is eggs that contains D. It is eggs contain
9. Jenny .................... leave the hospital only fours days after the operation
A. was able to B. could C. can D. will be able to
10. At last , they ............. get through the mountain in such a heavy rain
A. can B. could C. are able to D. were able to
11. Despite yesterday's snowfalls , we ................ arrive at school on time
A. could B. couldn't C. were able to D. weren't able to
12. The girl .................... tell what had happened to her after she had been unconscious for three days
A. could B. will be able to C. can D. was able to
6. D
Choose the best answer :
1. Could you tell me what a cell phone is used ........................ ? - It is used for talking to people
A. for B. with C. in D. of
2. Don't worry .................. me . I'll be fine
A. to B. about C. with D. for
3. The amount of solar energy that reaches the earth depends ................ the atmosphere
A. to B. in C. on D. with
4. The natural environment consists ................... all natural resources
A. in B. of C. to D. on
5. Solar energy can be changed ................. electricity
A. in B. to C. into D. for
6. Oil , coal and natural gas are .................. fuels made from decayed material from animal and plants
A. unleaded B. smokeless C. solid D. fossil
7. A nuclear reactor releases .................. which is dangerous to the environment
A. radiation B. heat C. energy D. carbon dioxide
8. We could make better ................... of our energy resources
A. spend B. use C. need D. limit
9. The government has spent 1 pound million on an advertising ................. to encourage energy conservation
A. campaign B. promotion C. operation D. enterprise
10. All fossil fuels are .................. resources that cannot be replaced after use
A. unlimited B. renewable C. available D. non-renewable
11. Many newer cars have a much lower fuel ....................................
A. consuming B. consumer C. consumation D. consumption