Unit 11: SOURCES OF ENERGY Word family electric (adj): có điện, hoạt động điện Ex: electric guitar/light electric shock electrical (adj): thuộc điện Ex: electrical equipment/appliances electrical power/energy electrical fault electrical plug/socket/switch electrically (adv): hoạt động điện electrician (n): thợ điện electricity (n): điện electronic (adj): điện tử electrify (v): cung cấp điện electrification (n): điện khí hóa sun (n): mặt trời sunny (adj): có nắng solar (adj): thuộc mặt trời consume (v): tiêu thụ consumption (n): tiêu thụ consumer (n): người tiêu dùng limit (n,v): giới hạn, hạn chế limited (adj): hữu hạn unlimited (adj): không giới hạn, có số lượng cực lớn, vô cùng, vô tận environment (n): môi trường environmental (adj): thuộc môi trường environmentally (adv) environmentalist (n): người bảo vệ môi trường alter (v): thay đổi alternative (n): vật/người thay thế, lựa chọn alternative (adj): chọn để thay cho vật khác, khác, thay alternatively (adv): để thay đổi gradual (adj): từ từ, chầm chậm gradually (adv): TEST Pronunciation A machine A splat A sprite A shrill A split A primitive A amount A section A harvest 10 A research B shrill B splay B spring B shrimp B splinter B particular B mental B grammar B circumstances B ability C sugar C splash C sprint C shrine C splint C continuous C dependence C unsuccessful C produce C companion D slide D splatter D sprinkle D shrink D splice D connected D opinion D demonstrate D ceremony D understand Multiple choice She was the last applicant _ A to interview B to be interviewing C to be interviewed D to have interviewed I’m hungry Is there any food _? A to be eaten B for me eating C eating D to eat English is an important language _ A to master B for us to master C which we have to master D All are correct “What’s all that noise about?” “We had a bad accident _at the factory.” A happening B happened C happen D has happened I wrote to the company _the them for a catalogue A asking B demanding C enquiring D applying I have heard nothing from him since _ A he had left B he leaves C he has left D he left Lack of rain early in the season means that the field _a poor crop A surrendered B yielded C generated D suffered Can you find any _equipment in this department? A electric B electrified C electrical D electricity You cannot grow crops on _land A exhaustion B exhaust C exhausting D exhausted Error Identification The world’s rain forests are being cut down at the rate on 3,000 acres per hour A B C D Many scientists fear that the earth will run out essential natural resources before the end of the 20th century A B C D Because much species of plants and animals in Hawaii are threatened with extinction within a short period A B C of time, scientists are trying desperately to rescue them D Her many friends, among who I like to be considered, gave her encouragement A B C D Gap filling There is now increasing concern about the world’s energy _(1), particularly about those involving fossil _(2) In less than a hundred years we shall probably _(3) all the present _(4) of oil and gas The world’s coal _(5) should last longer but, once used, these cannot be _(6) It is important, therefore, that we should develop such _(7) sources of energy as solar energy as well as water and wind _(8), (classed as _(9) energy) Until these energy _(10) are widely used, it is important for developed countries to reduce energy consumption as much as possible A possessions A fuels A end A findings A reserves A updated A traditional A force A repeatable 10 A goods B resources B powers B compete B productions B stores B repeated B alternative B strength B continual B supplies C goods C forms C total C amounts C mines C renewed C revolutionary C power C renewable C provisions D materials D energies D exhaust D sources D contents D produced D surprising D motion D continuous D materials Word forms He’s just bought a car with _operated windows (electric) The railway line was _in the 1950s (electric) _is the process of changing something so that it works by (electric) You can be paid in cash weekly or by cheque monthly, those are the tow (alter) Gas and oil _always increases in cold weather (consume) Health-concious want more information about the food they buy (consume) We should pay more attention to renewable sources of energy such as wind and _power (sun) We are doing our best with the _resources available (limit) _damage threatens the whole of civilization (environment) 10 The weather _improved (gradual) Fill in each gap with a suitable preposition Zoology is more closely related _biology than it is to botany Are you interested _working with them? I certainly hope that David is aware _all the problems imvolved Mr Minh is responsible _hiring and firing employees Bred is capable _doing better work than he’s doing at the present Reduce the relative clauses to participle phrases I don’t like people who arrive late I I live in the house which was built a century ago I The people who work here are very interesting The The handkerchief which was embroidered by my sister was really beautiful The I want you to meet the woman who taught me how to drive I Do you know the woman who is coming toward us? Do Rewrite the following sentences, using infinitive phrase We had a river in which we could swim We My brother is the only one that realized the danger My He is always the first that comes and the last that goes He The Queen Elizabeth is the largest ship which has been built on the island The Rewrite the following sentences, using relative clause The last person to be interviewed yesterday was Jack The Valentine was the first woman to fly into space Valentine The only person to remain in the classroom was Peter The Is there any place for us to stay tonight? Is This is the second person to be killed in that way This