4 1. Is concrete a natural or artificial stone? 2. What kind of properties it has? 3. In what way can concrete be used in moulds? 4. Does it resist fire? 5. Is concrete used in skeleton structures? 6. How many functions have aggregates? 5. 1. In other words aggregates CAN be defined as a mass of practically inert mineral materials, which ... 2. All aggregates both natural and artificial which have sufficient strength and resistance to watering and which do not contain harmful impurities MAY be used for making concrete. 3. As aggregates such materials as sand, pebbles, broken stone, broken brick, gravel,slag, sinder, pumice and others CAN be used. 4. It sets under water, CAN be poured into moulds so as to get any desirable form. 6. 1. can 2. may 3. must 4. can 5. has to help 7. sets,can be poured, has, resists.- Present Simple.
1.Я бы простила тебя, если бы ты тогда сказал правду
I would have forgiven you if you had told the truth then
2. Можешь остаться дома, если тебе плохо
If you are unwell, you can stay at home
3. Ты всегда можешь спросить дорогу, если заблудишься
If you lose your way, you can always ask for directions
4. Я люблю читать в кровати
I love reading in bed
5. Извините, я не хотел прервать вас
I am sorry, I didn’t mean to interrupt you
прекратите играть
Please, stop playing
7. Я остановился, чтобы поговорить с другом
I stopped to talk to a friend
8. Я с нетерпением ожидаю получения денег
I can’t wait to receive the money
9. Ты бы не был голоден, если бы съел что-то раньше
You wouldn’t be hungry if you had eaten something earlier
10. Если бы я вышла за него замуж, я бы жила счастливо
If I had married him, I would live happily
1. Is concrete a natural or artificial stone?
2. What kind of properties it has?
3. In what way can concrete be used in moulds?
4. Does it resist fire?
5. Is concrete used in skeleton structures?
6. How many functions have aggregates?
5.
1. In other words aggregates CAN be defined as a mass of practically inert mineral materials, which ...
2. All aggregates both natural and artificial which have sufficient strength and resistance to watering and which do not contain harmful impurities MAY be used for making concrete.
3. As aggregates such materials as sand, pebbles, broken stone, broken brick, gravel,slag, sinder, pumice and others CAN be used.
4. It sets under water, CAN be poured into moulds so as to get any desirable form.
6.
1. can
2. may
3. must
4. can
5. has to help
7.
sets,can be poured, has, resists.- Present Simple.