ответ

Привет! Давай разберёмся с заданием.

Тебе нужно вставить правильные слова в текст. Давай посмотрим на варианты:

1. "float" (плавать)
2. "invented" (изобрел)
3. "pressure" (давление)
4. "air" (воздух)

Теперь вставим слова:

1. "Christopher Cockerell’s idea was to build a vehicle that would travel just above the surface of land or water on a cushion of air."

2. "He showed that with fan inside the craft to blow air from one side to the other, and a hairdryer to show that air could produce enough pressure."

3. "In 1959, in the English Channel, Christopher Cockerell invented the first hovercraft which has been used throughout the world ever since for commercial and military reasons."

Отлично, текст вставлен. Если есть вопросы, не стесняйся!