Английский язык. Болсуновская Л.М - 60 стр.

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62
4. They burnt coal to warm the house.
а) сжигали; б) был сожжен; в) сожгут
5. In spite of all the difficulties the people were saved.
а) спаслись; б) буду спасены; в) были спасены
6. The tube will be tunneled through the mountain.
а) будут проложены; б) будет проложена; в) прокладывается
II. Переведите предложения, обращая внимание на времена группы
Perfect.
1. Joan has played in the school team for two years.
2. He decided to become a writer when his first story had been
published.
3. The street had been widened.
III. Переведите предложения на английский язык, обращая
внимание на модальные глаголы и их эквиваленты.
1. Children must go to bed early.
2. My friend can type very fast.
3. I couldn’t swim when I was five.
Прочитайте текст и выполните задания после текста.
THE FIRST NON-FERROUS METALS
Non-ferrous metals are the metals not composed of or containing iron.
Copper was one of the first metals to be used. In its natural form, copper
occurs in the ground as copper ore, a mineral. But this ore contains only 0.5 -
1 per cent of the metal. The rest is rock. The world produces 9.6 million tons
of copper a year. This means that more than a thousand million tons of ore
have to be removed from the ground and the pure copper extracted.
Most copper is extracted from a compound of iron, sulphur, and copper
called sulphide ore.
Copper is a good conductor of heat and electricity. We use it to make
cooling utensils and all sorts of pipes for carrying hot water, both in homes
and in industry. We also use it to make different kinds of electrical devices,
such as lightning conductors and the electric coils in motors. Copper does not
rust easily, so it lasts a very long time.
Such metals as lead and tin were widely known in Roman times. Lead is
a soft malleable, ductile, bluish-white, dense metallic element, extracted
chiefly from galena and used in containers and pipes for corrosives, in solder

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