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UNIT 11: SOURCES OF ENERGY A. PHONETICS: Circle the word whose underlined part is pronounced differently from the other 1. A. heat B. nuclear C. feat D. clean 2. A. power B. slow C. snow D. show 3.A. plenty B. energy C. only D. hydropower 4.A. endangered B. destroyed C. damaged D. provided 5.A. attitude B. survive C. introduce D. human B. VOCABULARY AND GRAMMAR: Circle the best answer for each sentence. 1. Non-renewable energy sources are running ____. A. up B. on C. to D. out 2. In some countries people use wind or sea ____ as the environment friendly energy sources. A. waves B. water C. products D. weeds 3. People have used coal and oil to ____ electricity for along time. A. generation B. generated C. generate D. generates 4. Coal and oil are non-renewable ____ sources. A. engineer B. energy C. engineering D. energetic 5. People on earth are ____ need of more nuclear energy. A. On B. at C. in D. for 6. ____ energy uses natural sources of energy such as the sun, wind, or water for power and fuel, rather than oil, coal, or nuclear power. A. Alternative B. Solar C. Hydropower D. Electricity 7. Oil, coal and natural gas are ____ fuels made from decayed material. A. unleaded B. smokeless C. solid D. fossil 8. All fossil fuels are ____ resources that cannot be replaced after use. A. unlimited B. renewable C. avaible D. non-renewable 9. We should develop such ____ sources of energy as solar energy and nuclear energy. A. tradition B. alternative C. revolutionary D. surprising 10. Increased consumption will lead to faster ____ of our natural resources. A. exhaust B. exhausting C. exhaustion D. exhaustive 11. ____ heat comes from deep inside the earth. A. Geothermal B. Solar C. Nuclear D. Hydro 12. Have you ever met the man ____ over there? No. Who is he? A. stands B. is standing C. standing D. who he is standing 13. The boy ____ the piano is my son. A. who is playing B. that is playing C. playing D. All are correct 14. ____ by his parent, this boy was very sad. A. Punished B. Punishing C. To be punished D. Be punished 15. We have apartment ____ the park. A. overlooking B. overlooks C. to overlook D. overlooked 16. He was the last person ____ in this way. A. to kill B. who killed C. being killed D. to be killed 17. Nellie Ross of Wyoming was the first woman _____ governor in the United State. A. who elected B. to be elected C. was elected D. her election as 18. She is the only in the discussion ____ to using nuclear power. A. objects B. objected C. to object D. whom objects 19. Johnny was the last applicant ____ for a position in that energy station. A. to interview B. interviewing C. to be interviewed D. which is interviewed 20. The instructions ____ by Professor Johnson helped us know more about the danger of energy pollution. A. that explained B. explained C. explaining D. which explained 21.Do you know the girl a long white dress? A. Wears B. to wear C. wear D. wearing 22.The house 40 years ago is still in good condition . A. which built B. to build C. built D. building 23.I like the food .by my mother. A. was cooked B. Cooked C. which cooked D. cooking 24.The man .. at the back board is our teacher. A. stood B. stands C. standing D. to stand 25.Armstrong was the first astronaut . onto the moon A. to step B. stepping C. stepped D. steps 26.The car toward us looks modern. A. comes B. coming C. came D. to come 27.The bank manager was the second person .. by the robbers A. to be killed B. who killed C. killing D. kills 28.The trees . our village are bamboo ones A. to surround B. surrounding C. surrounded D. surround 29.Im the last one .. of the news A. Informing B. to inform C. to be informed D. inform 30.Tom was the last the classroom yesterday. A.to leave B. leaving C. left D. leaves C. READING-Read the passage and choose the correct answers: Scientists often divide resources into two groups: renewable and non renewable. When a resource is used, it takes some times to replace it. If the resource can be replaced quickly and easily, it is called renewable. If it cannot be replaced quickly and easily, it is non-renewable. All fossil fuels are non-renewable resources. Solar energy, air, and water are usually called renewable because there is an unlimited supply. However, this definition may change if people are not careful with these resources. The amount of solar energy that reaches the earth depends on the atmosphere. If the atmosphere is polluted, the solar energy that reaches the earth may be dangerous. If humans continue to pollute the air, it will not contain the correct amounts of these gases. Many resources are limited and non- renewable, and many are in danger of pollution. As a consequence, resources must be conserved and the environment protected. Conservation must become an important part of everyones life. 1. How many kinds of resources are mentioned in the passage? ( A. 2 B. 3 C. 4 D. 5 ) 2. Non-renewable resources are those which _______ A. are unlimited B. can be replaced quickly and easily C. take millions of the years to replace D. are used every day such as solar energy and water 3. What will happen if the atmosphere is polluted? A. The air wont contain the correct amounts of natural gases B. Life wont continue as it does C. Renewable resources will soon become non- renewable D. All are correct 4. The word conservation in the passage is opposite to A. prevention B. destruction C. protection D. preservation 5. Why do we have to conserve resources? A. Because many resources are limited and non-renewable C. To keep the air from being polluted B. Because conservation plays an important part in everyones life D.To make natural resources renewable D. WRITING * Reducethe sentences by using present participle, past participle or to infinitive phrases. 1. Who was that good looking man who is talking to Alison? ..................................................................................................................................... 2. Left-handed children who are forced to write with their right hands often develop psychological problems. ..................................................................................................................... 3. Luggage that is left unattended will be taken away by police. (________________________________________________________________ 4. The nurse who is looking after my aunt is very kind to her. (________________________________________________________________ 5. All the rubbish that is floating in the sea is a real danger to health. (________________________________________________________________ 6. Thompson is the most famous actress who appears on stage here. (________________________________________________________________ 7. The secretary was the only person who was offered a pay rise. (________________________________________________________________ 8. Daniel was the most suitable candidate who applied for the job. (________________________________________________________________ 9. My Dreams was the second album which was released at the end of June. (________________________________________________________________ 10. Anna is the first person who knows my phone number. (________________________________________________________________ Circle the underlined part among A, B, C or D that needs correcting. 1. (A)The man (B)to speak (C)to me is (D)Johns brother. 2 He is the (A)second person (B)be killed (C)in (D)that way. 3. They (A)work in a hospital (B)sponsoring (D)by the government. 4. (A)It an essay (B)writing in 177, Judith Sargeant Murray promoted(C)the cause of (D)womens education. 5. A dam is wall (A)building across river (B)to shop the rivers (C)flow (D)and collect the water.

16.The war brought death and ______ to the city. A. destruction B. destruct C. destroyed D. destroy 17 The mystery of her _____ was never solved. A. disappearance B. appearance C. appearing D. appearances 18) He is the singer about ____ I often tell you. A. that B. Who C. whom D. him 19) The concert ____ I listened last weekend was boring. A. to that B. to which C. for what D. for which 20) Thats the girl to ____ my brother got engaged. A. Which B. who C. Whom D. her 21) I like the village ____ I used to live. A. in that B. in where C. which D. in which 22) I dont know the reason ____ she hasnt talked to me recently. A. on which B. for which C. of which D. about which 23) The little girl ____ I borrowed this pen has gone. A. whose B. from who C. from that D. from whom 24) The speech ___ we listened last night was informative. A. to which B. which to C. to that D. that 25) The boy to ____ I lent my money is poor. A. That B. Who C. whom D. B and C C. READING : Read the passage carefully then circle the correct answers. Many environmental experts are pessimistic about the future of our (1) ____. They say that in the next few years harmful chemicals will further damage the (2) ____ layer, there will be more losses of irreplaceable tropical (3) ____, and serious air pollution will cause the (4) ____ itself to change. They also warm us that Third World countries will continue to suffer ecological (5) ____, while the rich countries consume the vast majority of the worlds (6) ____. Animals are also at risk. It is feared that some (7) ____ species may soon die out, as their natural (8) ____ are destroyed. In some cases, the only way to save rare species from (9) ____ is to breed them in (10) ____. 1) A. country B. planet C. society D. life 2) A. oxygen B. dioxide C. carbon D. ozone 3) A. climate B. weather C. rainforests D. rain 4) A. weather B. rain C. climate D. storm 5) A. results B. disasters C. consequences D. problems 6) A. sources B. fuels C. materials D. resources 7) A. savage B. dangerous C. endangered D. dangered 8) A. environment B. habitats C. resources D. disasters 9) A. distinction B. instinct C. extension D. extinction 10) A. captivity B. caption C. captive D. capsule D. WRITING * Circle the underlined part among A, B, C or D that needs correcting. 1. I (A)have two brothers, (B)both of (C)them are (D)studying in England. 2. It was (A)a kind of machine with (B)that we (C)were not (D)familiar. 3. (A)The song to (B)that we (C)listened last night (D)was beautiful. 4. (A)Nancys mother, (B)to (C)who I talked in the party, (D)has a big restaurant. 5. (A)The manager (B)about (C)which Mary told (D)was wealthy. *Combine, using relative clause following preposition 1. Mr. Bond is a very strange man. Stella works for him. =>.. 2. There wasnt any directory in the telephone box. I was phoning from this box. =>.. 3. The woman teaches me English. I am telling you about her. =>.. 4. I dont find the person a very suitable companion. Im sharing a flat with him. =>.. 5. Those men are angry. The woman is talking to them. => 6.The film is fantastic. They are talking about it. (.................. 7. The children are orphans. She is taking care of these children. .................................................................................................................................... 8. The two young men are not good people. You are acquainted with them. ................................................................................................................................... 9.Alice likes the foreign family. She is living with them. (..................................................................................... 10.The market has refresh vegetables. I usually go to it (........................................................................................ *Fill in the blank with the correct form of the word in brackets. 1. Fax (transmit) . has now become a cheap and convenient way to transmit texts over distances. 2. The Pandas(nature) .habitat is the bamboo forest. 3. Id like to help you but ( fortune )., theres nothing I can do. 4. Nuclear energy can provide enough (electric) for the world's need for hundreds of years.

Đốt cháy hoàn toàn 5,8 g ankan X, sau phản ứng thu được 8,96 lít CO2 điều kiện tiêu chuẩn và m gam H2O a. Tìm CTPT của X b. Tính mH20 c. Tính VO2(đktc) cần dùng

Cho hình chóp S.ABC có đáy là tam giác vuông góc với B và SA vuông góc với đáy, AE,À lần lượt là các đường cao trong tâm giá SAB,SAC.           a, Chứng minh BC vuông góc với mặt phẳng SAB.             b,Chứng minh AE vuông góc với mặt phẳng SBC          c,Chứng minh SC vuông góc với mặt phẳng AEF

Giá trị nhân đạo trong tác phẩm Quên Điều Độ

Hai nguồn điện có suất điện động 3V và 1,5V. Điện trở trong lần lượt là 0,6 ôm và 0,4 ôm. Mắc nối tiếp hai nguồn điện trên với 1 điện trở mạch ngoài R (N)=4 ôm tạo thành mạch kín. a. Tính suất điện động và điện trở trong của bộ nguồn? b. Xác định cường độ dòng điện chạy trong mạch kín? c. Tính hiệu điện thế U (N) ở đầu mạch ngoài?