Прочитайте текст и выполните задания The Best Building Materials 1. Building materials are very impo...: ответ на тест 975927 - Английский язык

Прочитайте текст и выполните задания
The Best Building Materials
1. Building materials are very important in the construction. But it is more important for any designer to select and adapt such building materials of construction that will give the most effective result by the most economical means. In this choice of materials for any work of constructions many factors must be considered by the civil engineer. These factors include availability, cost, physical properties of materials and others.
2. Practically, all buildings materials have their advantages and disadvantages. That's why some materials are used most widely in building construction for the purpose of binding together masonry units. Among them are lime, gypsum and cement.
3. Last material forms very important elements in all masonry structures, such as stone, a brick. Since the time of its introduction a gradual improvement of Portland cement quality has led to the elaboration of rapid hardening Portland cement, or «high early strength». Later developments include low heat and sulphateresisting cements. The scope for such purpose-made cements has led to the development of an increasing variety such as high alumina cement, blast-furnace slag. They may be also white and coloured cements.
Определите, какое утверждение соответствует содержанию текста.
Варианты ответов
  • Cement is rarely used in building construction.
  • Portland cement cannot be improved.
  • All cements are white.
  • There is a great variety of cement.
Правильный ответ
Помогли ответы? Ставь лайк 👍
Расскажи другу:
Вопрос задал(а): Анонимный пользователь, 13 Ноябрь 2020 в 16:52
На вопрос ответил(а): Анастасия Степанова, 13 Ноябрь 2020 в 16:52
Все Предметы (168)