ĐỀ KIỂM TRA CHẤT LƯỢNG HKI – ĐỀ SỐ 5 Clean air provides us with a healthy supply of oxygen. When wastes are poured (1) ______ the atmosphere, the air becomes contaminated and unpleasant to breathe. This is air pollution. Water vapour and carbon dioxide occur in the air naturally. Examples of air pollution are dust storms, volcanic eruptions, forest fires (2) ________ by lightning, pollen, and marsh gases. A large (3) ______ of air pollution in cities comes from sources other than industry, mainly automobiles, home heating, and garbage disposal Vehicles also account (4) ______ air pollution in the cities. Automobiles exhaust and some industrial processes contain carbon monocide, an odourless gas which cannot be seen or tasted. Nitric oxide is another tail – pipe emission that is highly poisonous and may sometimes (5) _____ into the even more dangerous nitrogen dioxide. Lead andsmoke are emitted in engine exhausts as tiny particles. Smog - originally a combination of smoke and fog – also (6) ____ in the atmosphere when nitrogen oxides and organic gases combine under the influence of sunlight. This is photochemical smog. It may not sound familiar, but it is commonly found in most major cities (7)___ there are large concentrations of industry and automobiles. Industrial smoke stacks throw out sulphur and nitrogen oxide. Burning coal and oil releases other gases harmful (8) _____ humans. The most serious of these gases is sulphur dioxide. In the atmosphere it can (9) _______ with water vapour and oxygen to turn into a sulphuric – acid mist. Hydrogen fluoride is produced in the manufacture of phosphate fertilizers and some metals. Burning garbage and paper wastes pollute the air with unpleasant odours. Dangerous chemicals can be released (10) _______ burning plastics or hairspray containers. New words Contaminate Pollen Disposal Nitrogen dioxide ( NO2) Vapour Exaust photochemical Oxygen ( O ) Emission ( Emit ) Account for Carbon monoxide ( CO) Sulphur ( S ) Release Stag Hydrogen fluoride ( HF ) Sulphur dioxide (SO2 ) Marsh Organic Nitric oxide ( NO) Sulphuric acid ( H2SO4) Comprehension 1.Paragraph 1 gives you a way of understanding air pollution. What is it ? _______________________ 2. What two gases occur naturally ? _______________________ 3. What are some sources of air pollution in cities ? _______________________ 4. How do vehicles pollute the air in cities ? _______________________ 5. Where can smog be found ? _______________________ 6. What does sulphur dioxide combine with water vapour and oxygen turn into ? _______________________ Grammar 1. Word Blending ( Smog = Smoke + Fog ) Medicare = Medical + Care _________ = Formal + Tranlation _______ = Breakfast + Lunch _________ = European + Television _______ = Helicopter + Airport _________ = International + Police _______ = Motor + Pedal _________ = Motor + Hotel _______ = News + Broadcast _________ = Television + Broadcast 2. Adjectives + Prepositions a. Your father was very kind ______________us. k. He was successful ________ his job. b. Hurry or you will be late _____________ school. l. The child is very quick ______ arithmatic c. Were they present ___________ the meeting ? m. The day seems perfect ______ a picnic. d. She was confused ____________ the dates. n. He was sad _______ his friend’s failure. e. His book is different _________ mine . o. The country is rich ______ oil. f. Your plan is similar __________ his . p. The museum is now open ____ all visitors g. Miss Lan is very popular ________ her colleagues. q. Are you aware ________ the time ? h. The boy was afraid ____________ the horse . r. Are you acquainted _______ this man? i. She is accustomed __________ rising early. s. He has been absent ______ class lately. j. The house was crowded ________ students. t. Attending all the lectures is important ____ us 3. Hoµn tÊt c©u ®· cho b»ng mét tÝnh tõ thÝch hîp a. They don’t appear ___________ in buying a house b. Why are these two schools so ________ from each other ? c. Smoking is _________ to your health. d. Are you _________ of snakes ? e. He’s ________ at learning and understanding things. f. Are you _______ with the works of Shakespeare ? g. Is she ________ about learning to be a pilot ? h. Is he ________ of the dark ? 4. Hoµn tÊt c©u ®· cho b»ng mét ng÷ giíi tõ ( Are you aware ________ ? ) of the time a. Why do you pay too much attention to that matter? Is it important ___________? b. I juct couldn’t believe what he said. It was contrary _______________________? c. Don’t give up hope yet. Be confident __________________________________ d. Please wait here. I’ll have some tickets available _________________________ e. Do you really want to change your job? Are you capable ___________________? f. If you want to make your life worth living, make yourself useful _____________? g. When he’s a child, he was deprived of parental affection. Love was absent _____? h. Smoking is harmful _______________ i. Hurry up or you will be late _________________ 5. The suffix – Less . ( means Without ) Care – Careless Colour – Colourless Harm – Harmless Child – Childless Help – Helpless Odour – Odourless Hope – Hopeless Rest – Restless Use – Useless Speech – Speechless Tree –Treeless Worth - Worthless Sleep – Sleepless End – Endless Friend – Friendless Point – Pointless Mother – Motherless Count – Countless Spot – Spotless Home – Homeless Need – Needless Fear – Fearless 1. This machine doesn’t work any more. It’s a _________ machine. 2. John isn’t popular with everybody. He’s ________ with everybody. 3. The floor is very clean. It’s ________ to sweep a clean floor. 4. I like to see the sky at night. There are _________ stars. 5. We have a _______ night because tomorrow morning we are leaving for HCM City with parents. 6. He is so angry that he can’t speak. He is __________ with angry. 7. His notebook is very clean. It’s a __________ book. 8. _______ drivers can cause accidents. 9. The birthday party was happy. It seemed ___________. 10. It is ________ to hang out washing when it is raining. 11. In the old days, orphans and other ______ people lived in workhouses run at public expenses. 12. Oliver Twist was so ________ that he ran away to London. 13. Water has no colour. It is a __________ liquid. 14. The girl has no mother. She is a _________ girl. 15. He’s very lazy. He doesn’t help his father with farming. He is ________ to his father. 6. Word – Building. 1. Air pollution / cause of / ill health / human beings. 2. In / countries / there / laws / limit / the amount of smoke / factories / produce. 3. Although there / not enough information / the effect / smoke in the atmosphere / doctors / prove / air pollution / cause / lung disease. 4. Gases / the exhausts of cars / also increase / air pollution / most cities. 5. The lead / petrol / produce a poisonous gas / which often collect / busy streets / surround / by high buidings. 6. There / other long term / effects / pollution. 7. If gas / atmosphere / continue / earth’s climate / become warmer. 8. A lot of ice / Poles / melt / cause serious floods. 7. Put in the correct forms of the infinitive or V - ing. This way ! That way In a split second, when no one was paying attention, the two prisoners escaped from the back of a police van. They were handcuffed to each other. It was minutes before a policeman saw them ( 1 – run ) _____ down the street. “ We’ll follow”, two policemen said, “ Have the driver ( 2 – bring ) ______ the van to the end of the road. Tell him ( 3 – not let ) _______ them ( 4 – go ) ______ away. If we’re not careful, we’ll have the whole neighbourhood ( 5 – complain ) ______ that we’ve been careless”. The prisoners were still running side by side. The policemen saw them ( 6 – race ) _____ up the hill and ( 7 – disappear ) ______ round a corner. “ We’ll never catch them now! One of the policemen said, “ I told you ( 8 – not leave ) ______ them unattended” . The prisoners were running up at top speed. Suddenly they saw a lamp post in front of them. “ Go left! Go right!”, they shouted at the same time. They ran on either side of the lamp post. It just took time for police ( 9 – find ) _____ them, flying on the pavement, unhurt, dazed, and with silly grins on their faces. . ĐỀ KIỂM TRA CHẤT LƯỢNG HKI – ĐỀ SỐ 5 Clean air provides us with a healthy supply of oxygen. When wastes are poured. _________________ 5. The suffix – Less . ( means Without ) Care – Careless Colour – Colourless Harm – Harmless Child – Childless Help – Helpless Odour – Odourless Hope – Hopeless Rest – Restless. Use – Useless Speech – Speechless Tree –Treeless Worth - Worthless Sleep – Sleepless End – Endless Friend – Friendless Point – Pointless Mother – Motherless Count – Countless Spot – Spotless