TAILIEUCHUNG - IElts foundation course part 8
Tham khảo tài liệu 'ielts foundation course part 8', ngoại ngữ, toefl - ielts - toeic phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | . inirives of purpose 4 Look at these extracts from the model answer and answer the questions. The balloon itself is ma de of rip proof nylon so as to be light and very strong. A crown rope is also attached so as not to launch the balloon before the pilot 5 ready. A propane gas heater sends powerful jets of flame upwards into the balloon. This heats the air inside the balloon in order to lift it. When the air is hot the balloon rises. 1 Look at the underlined phrase. Does it describe how something is used or why it is used What verb form follows the underlined expression Which other expression in the example does the same thing as so as o. What are the negative forms of these expressions Use the two expressions from the above exercise to improve these 2 3 4 5 sentences. 0 Pilots wear safety harnesses because they don t want to fall out of the basket. Pilots wear safety harnesses so as not to fall out of the basket. 1 Balloons are usually bright colours because they should be easily visible. 2 Many people use mobile phones because they want to stay in close contact with their friends and colleagues. 3 People use computers because they want to get information quickly. 4 The public must use their cars as little as possible because it s important that they don t cause unnecessary pollution and congestion. 6 Look at the diagram of How a hot air balloon works and complete the model answer using NO MORE THAN FOUR WORDS. A sports hot air balloon consists of a large bag attached by a 2. in which usually up to four people stand. The balloon itself is made of rip proof nylon so as to be light and very strong. A quick release rope a vehicle and the balloon fans blowing cold air. A crown rope is also attached so as not to launch the balloon before the pilot is ready. A propane gas heater sends powerful jets of flame upwards into the balloon. This heats the air inside the balloon in order to lift it. When the air is hot the balloon rises. When the balloon is .
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