Внутреннее строение насекомых

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Только не нужно присылать неадекватный перевод! (вроде того который выдает он-лайн переодчик например) 

MEALS IN ENGLAND
The usual meals in England are breakfast, lunch, tea and dinner or, in simpler houses, breakfast, dinner, tea and  supper. For breakfast Englishmen often have porridge or corn-flakes with milk or cream and sugar, bacon and eggs,
jam with buttered toasts and tea or coffee. For a change they can have a boiled egg, cold ham, or fish. English people usually have lunch about one o'clock. At lunch time in a London restaurant you can have a mutton chop, or steak and chips, or cold meat or fish with potatoes and salad, then a pudding or fruit. Afternoon tea can hardly be called a meal. It is a substantial meal only in well-to-do families. It is between five and six o'clock. It is rather a sociable sort of thing, as friends often come for a chat (поболтать) while they have their cup of tea, cake or biscuit. In some houses dinner is the biggest meal of the day. But in great many English homes, the midday meal is the chief one of the day, and in the evening there is usually a much simpler supper — an omelette, or sausages, some-times bacon and eggs and sometimes just bread and cheese, a cup of coffee or cocoa and fruit.

Что такое Олеум? какую массу оксида серы (vi) необходимо растворить в 300г раствора с W(H2SO4) = 49%, что бы получить олеум с W(SO3) =20%?