VI. C. Answer the questions

1. How is concrete made? 2. What binding agent is used for making concrete? 3. What is the density of concrete depend upon? 4. What aggregates are dense concretes composed of? 5. What classes may concrete be divided into? 6. Where can mass concrete be used for? 7. Where is concrete used in enormous masses? 8. What is another classification of concrete? 9. What is reinforced concrete? 10. What are the types of reinforced concrete? 10. Where is ferro-concrete used? 11. What are the principal materials used for reinforced concrete?

VI. D. Speak on concrete and reinforced concrete using the text and the tables

Table 1

C oncrete

Ingredients characteristics types use

cement, water hardness plain / mass concrete foundation

fine aggregate durability reinforced concrete columns, pipes

coarse aggregate fire resistance prestressed concrete beams, dams

Table 2

Reinforced Concrete

c ement fine aggregate coarse aggregate shuttering water reinforcement

P ortland cement sand crushed sandstone precast concrete drawn wire

b last furnace cement crushed limestone planed boards steel welded fabric

r apid hardening cement crushed brick steel deformed steel bars

VI. E Answer the questions

1. Who has phoned you? 2. What books have you already read? 3. Will you have written any course papers by the end of this or next term? 4. Have you ever been to Great Britain? 5. Has your family been abroad? 6. Have you got many friends? 7. Have you phoned them recently? 8. Have you got the family library? 9. Have you passed your exams well or not? 10. And what about your friends? 11. Has your got mother higher education? 12. Has she been the student of our University? 13. Had your father studied at this higher school before the army? 14. Have you got any relatives? 15. Have they visited you recently?

U n I t 24. Is she going out to do some shopping?

I. A. Study new words

cold простуда cry [krai] плакать flu [flu] грипп lie down лежать lung [l∧ŋ] легкое voice [′vɔis] голос	arrangement [əreindʒmənt] соглашение, договоренность conclude [kən′klu:d] заключать, прийти к заключению health insurance [in′uərəns] страхование от болезней hurt [hə:t] – hurt – hurt повредить, ушибить, болеть supervision [,sju:pə′viʒən] надзор, наблюдение, контроль trouble [′tr∧bl] беспокоить; беспокойство, болезнь
blood [bl∧d] кровь faint [feint] слабый		breathless [′brelis] задыхающийся, запыхавшийся strike a transaction [trænzækən] заключать сделку
ache [eik] боль, болеть health [hel] здоровье treaty [′tri:ti] договор			grateful [greitful] благодарный, признательный prescribe [pri′skraib] прописывать, предписывать responsibility [ris,pɔnsə′biliti] обязанность, долг
bed rest постельный режим chest [test] грудная клетка expenses [ikspensiz] расходы stomach [′st∧mək] живот swallow [′swɔlou] глотать treatment [′tri:tmənt] лечение				be wrong не в порядке, неисправный depressed [di′prest] подавленный, унылый health resort [ri′zɔ:t] курорт, санаторий pain [pein] боль, болеть, причинять боль participate in [pα:′tisipeit] участвовать respect [ris′pekt] отношение; уважать
hit [hit] – hit – hit ударять injection [in′dʒekən] инъекция painful [′peinful] болезненный transaction [trænzækən] сделка					fruitful [′fru:tful] плодотворный headache [′hedeik] головная боль recollect [′ri:kə′lekt] вспоминать wrong [rɔŋ] неисправный, дурной