Прочитайте текст и заполните пропуски подходящими по смыслу словами Bikes planes and cars have wheel...: ответ на тест 439289 - 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.

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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There are 1_______ types of chisel for metalwork and for woodwork. Woodwork chisels have a smaller angle at the point of the tool Although this is suitable for soft materials such as 2_______, a tool point with a small 3_______ is too weak for hard materials. 4_______ metal, a stronger point is necessary, so the angle is greater at the point of a metalwork chisel.

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Most cars use 1_______ to cool the engine. Water 2_______ from the radiator through a system of water passages and rubber hoses. A water 3_______ pushes the water round. This system is known a 4_______ system.

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The raw materials for plastics are coal and 1_______, and many plastic materials today are produced from oil. Plastics can be divided into two main 2_______. The first group, called thermoplastics, includes well-known plastics such as PVC, nylon and polythene. These can be treated (heated, softened and cooled) several times, and can be formed into combs, pipes and bags, in addition to many other similar 3_______.
Thermosetting 4_______ include melamine, polyurethane and phenolic resin, and can be made into tableware, foams and plugs respectively. However, this group differs from thermoplastics because they can be treated only once and harden when they are heated.

Прочитайте текст и заполните пропуски подходящими по смыслу словами 1_______ metals are based on iron. They are usually 2_______ with carbon because it increases the strength of 3_______ and makes it much more useful to the engineer. Slight variations in carbon content can make very great differences in the properties of the metal. Wrought iron is a ferrous metal with carbon content of less than 0,05 %. Chains and 4_______ can be produced from this alloy.