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A helicopter has a big advantage over an airplane, especially when people might be trapped in a tight place like on a mountain, where there is not much space to land, or on the water. They are also used for rescuing people from burning buildings or from trees when there are floods. Without the helicopter as a rescue vehicle, many people would lose their lives because the rescuers would be unable to reach them.
Ответьте на вопрос:
What advantage over an airplane does a helicopter have?
It can land in a wide place.
It is less in size.
It costs less money.
It can land in a tight place.