Text-1 Read the text. Then choose the correct answer for questions 1-2


Read the text. Then Choose the correct answer for each question below (70-73)



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Variant reading 2008-201328,05,2018 (3)

Read the text. Then Choose the correct answer for each question below (70-73).
Helicopters are very different from airplanes. They can do tree things that airplanes cannot do. First, when airplanes move upward, they must also move forward, but helicopters can move straight up without moving ahead, Second helicopters can fly backward, which airplanes cannot do. Third helicopters can use their rotors to hover in the air which is impossible for planes. Because they can perform action that airplanes cannot, they are used for different tasks. Since helicopters can take off without moving forward, they do not need a runway for take off. They are used is congested areas where there is no room for airplanes or in isolated areas which do not have airports. Because they can hover they are used on firefighting missions to drop water on fires. They are used in logging operations to lift trees out of forest. Helicopters are used as air ambulances to airlift patients out of sit nations which are difficult to reach by conventional ambulances. The police use helicopters to follow suspects on the ground or to search for cars on the ground. Of course, helicopters have military uses because their design and capabilities.

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