BÀI TẬP TỰ LUẬN TIẾNG ANH LỚP 11 UNIT 11 SOURCES OF ENERGY I Complete each sentence with the correct form of the word in brackets Remember to turn off all the lights before you leave to save (electric) Scientist are searching for fuels, such as the energy of the sun (alternate) People should conserve resources because once used up, it can never be replaced (nature) .energy is not only plentiful and infinite but also clean and safe (sun) Farmers add to their land to make it productive (fertilize) Vehicles are one of the causes of air pollution in big cities (majority) An important part of conservation is of waste (prevent) Many people think that the world's resources will never be up II Reduce the relative clauses to participial phrases I don't like people who arrive late I live in a house which was built a century ago The people who work here are very interesting The handkerchief which was embroidered by my sister was really beautiful Do you want to meet the man who taught me how to drive? The cake which was made by my mother was very delicious This morning I received a letter which upset me a lot The composition which was written by Jane was really interesting (use) III Rewrite the sentences, using relative clauses The last person to be interviewed yesterday was Jack Valetina Tereskova was the first woman to fly into space The only person to remain in the classroom was Peter Is there any place for us to stay tonight? This is the second person to be killed in that way He hasn't got anything to wear He was the first man to tell me the truth There are some reports for you to type right now IV Make sentences from the cues given Water / create electricity / when / move / a high place / a lower place Waterpower / give / energy / without / pollution The sun / release / large amounts / energy every day Many countries / solar energy / their daily life The potential / alternative sources / energy / nature / great Fossil fuels / will / exhausted / within / relatively short time Once / use up / natural resources / can never / replace The sun / provide / light / heat V Fill in each gap with a correct preposition We should prevent everyone exploiting minerals Polluted environment is harmful our health My father is fond reading newspapers every morning 4 The energy of the sun can be changed electricity Forests are useful man in several ways Natural resources are divided two groups: renewable and nonrenewable Using natural resources wisely depends everybody's awareness His illness accounts his absence