Английский язык. Барабанова Н.Е - 24 стр.

    5. blast furnace cement - доменный шлачный цемент                                1. We know steel, stone, concrete , wood and brick to be the most
                                                                                  commonly used building materials.
                                   CONCRETE                                          2. The properties of the new material arc known to be determined next
     1. It is difficult to imagine modern structure without concrete. Concrete    month.
is the very building material which led to great structural innovations. The         3. All the problems to be discussed at the conference are of great
most important quality of concrete is it’s properly to be formed into the         importance for our company.
large and strong monolithic units. The basic materials for making concrete
are cement, aggregate and water.
     2. Cement is the most essential material and the most important one for          II. Перепишите и письменно переведите на русский язык
making concrete of high quality. Cement is made of limestone and clay. It is      следующие предложения. Обратите внимание на перевод зависимого и
burnt (calcined) at high temperature and ground up into powder.                   независимого (самостоятельного) причастных оборотов (см. образец
     3.     Depending on the kind and composition of the raw materials            выполнения 2).
different types of cement are obtained. Portland cement, blast furnace                1. Working with machines, sharp tools, motors one must always be
cement is suitable for pulling up marine structures.                              careful.
     4. Concrete is made by mixing cement, water, sand, and gravel in the             2. The new material finding its way in construction now is called
right amount. As soon as it is thoroughly mixed it is poured into forms that      chemically resistant concrete.
hold it in place until it hardens. The crystals forming in the process of             3. The powerful machine-building factory having been built in our
making concrete stick together in a very hard artificial stone. Cement starts     country, we began to produce new types of machines and equipment.
hardening one hour after the water has been added and the process of
hardening lasts for about twenty-eight days. The process is called concrete           III. Перепишите и письменно переведите на русский язык
curing. The characteristics of concrete depend upon the quality of the            следующие предложения. Обратите внимание на то, как переводятся
materials used, grading of the aggregates, proportioning and amount of            условные предложения (см. образец выполнения 3).
water.                                                                                1. If you had translated the article you could have used valuable data in
     5. The most important requirements for concrete are: it should be hard,      your research.
strong, durable, fire-resistant and economical. Concrete can be divided into          2. If the quality of the equipment were higher the results of the
two classes: mass or plain concrete and reinforced concrete            (ferro -   experiment would be more accurate and complete.
concrete) where it is necessary to introduce steel.                                   3. It would be impossible to make cement without limestone and clay.
                                                                                      IV. Перепишите и устно переведите с 1-го по 6-й абзацы текста.
    V. Прочитайте 5-й-абзац текста и ответьте письменно на                        Перепишите и письменно переведите 1,2,3 и 4-й абзацы.
следующий вопрос:
    What classes can concrete be divided into?                                                              Пояснения к тексту
                                                                                      1. ferrous       - черный
                                ВАРИАНТ 3                                             2. non-ferrous - цветной
                                                                                      3. an alloy -сплав
    I. Перепишите и письменно переведите на русский язык                              4. cast iron   - чугун
следующие предложения. Помните, что объектный и субъектный                            5. a curriculum - учебный план, программа (института, универ-
инфинитивные обороты соответствуют придаточным предложениям                           ситета)
(см. образец выполнения 1).