Прочитайте текст и заполните пропуски подходящими по смыслу словами Benjamin Franklin 1 _______ of t...: ответ на тест 782137 - Английский язык

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An example of interaction between electric charges is lightning. During an 1 _______ storm, water and ice particles collide inside cumulonimbus clouds. As a result, the positive charges move to the top of the clouds and the negative 2 _______ move to the bottom. The movement generates static 3 _______. When the negative charges flow back to the positive charges they produce heat and emit light. Lightning is an electric discharge in the air. Thunder is a 4 _______ of pressure that occurs when the hot and violent lightning expands the cold air.

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The electrical system in a car can have either a positive or a negative 1_______. In both systems, the battery leads and terminals must be connected 2_______.
In a car with a positive earth, the positive terminal must be connected to the car body. The negative terminal must be connected to the electrical 3_______.
In a car with a negative earth, the positive terminal must be connected to the electrical system. The negative terminal must be connected to the 4_______ body.

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An example of interaction between electric charges is lightning. During an 1 _______ storm, water and ice particles collide inside cumulonimbus clouds. As a result, the positive charges move to the top of the clouds and the negative 2 _______ move to the bottom. The movement generates static 3 _______. When the negative charges flow back to the positive charges they produce heat and emit light. Lightning is an electric discharge in the air. Thunder is a 4 _______ of pressure that occurs when the hot and violent lightning expands the cold air.

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There are different shapes. They are triangles, squares, rectangles and circles.
Triangles have three sides and three angles. Squares and rectangles have four sides. Squares have four equal sides, but rectangles have two equal sides. Circles do not have angles and sides.
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How many equal sides do squares have?

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There are some basic types of fuel for motor vehicles. There is diesel fuel, there is petrol and there is fuel mixture.
A lot of buses have diesel engines but not only a few cars have such engines. There are also a few cars with two-stroke engines but most cars have four-stroke engines.
Most lorries have diesel engines. There are not many lorries with four-stroke petrol engines but there are lorries with two stroke engines.
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What engines do a lot of buses have?

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Many of the robots today perform different jobs. Robots are used in various branches of industry. A modern robot is a complex structure with a number of components. Each of them performs a certain task. Scientists have developed new models of robots. Such robots are used for various purposes.
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What have scientists developed?