Вопрос № 912163 - Английский язык

Прочитайте текст и заполните пропуски подходящими по смыслу словами
Bikes, planes and cars have wheels and tyres. 1_______ have wheels; they do not have tyres. Bikes have two wheels and two tyres. 2_______ have wings. Bikes, locomotives and cars do not have wings. Planes and 3_______ have engines. 4_______ do not have engines.

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The two most common types of engines for cars are the petrol engine and diesel engine.
Petrol engines are usually lighter and smaller than diesel engines. This makes them cheaper, and this is why most cars use petrol engines. Petrol engines are also led noisy than diesel engines. They usually go faster. On the other hand, diesel engines use less fuel than petrol engines, and this is why trucks use them. They are also safer than petrol engines, because there is less danger of fire.
There are two main types of petrol engine – 4-stroke and 2-stroke. All cars use 4-stroke engines. But most motorbikes use 2-stroke engines. They are lighter and smaller than 4-stroke engines, and are therefore cheaper.
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All cars use …

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Heat causes liquids to expand. This effect is used in the thermostat in Fig. 21.2. An increase in air temperature causes the liquid to expand in the heat sensor. This expansion causes the valve to close and consequently the flow of hot water is reduced.
After a time, the temperature will go down and consequently the liquid will cool and contract. The spring load will now be greater than the liquid pressure and consequently the valve will open. Once again, the hot water flow is increased.
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Heat causes liquids to …

Заполните пропуски в инструкции следующими словами:
1. Turn the gear wheel anticlockwise to raise the 1_______.
2. Press the top button to 2_______ the motor.
3. Pull the handle down to cut the 3_______ bar.
4. Turn the bolt 4_______ to tighten it.

Заполните пропуски в инструкции следующими словами:
1. Turn the jack handle 1_______ to lower the car.
2. Press the largest pedal to stop the 2_______.
3. Push the bar down to raise the 3_______.
4. Turn the handle clockwise to 4_______ the vice jaws.

Словом, которое не относится к теме «Metals» является …