3. переведите предложения. определите форму сослагательного наклонения, и тип предложения, в котором оно употреблено. 1. we insist that the problem be dealt with by the security council in its full composition. 2. without your help the work would have had much more mistakes. 3. in the entrance exams he missed some questions which a schoolboy could have answered. 4. it is not surprising, therefore, that rome should begin to take a greater interest in the affairs of greece. 5. the load finally became unbearable. the people refused to pay taxes and asked that all debts be cancelled.

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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.

if the earthquake is weak, stay at home.If you urgently need to take the necessary things and leave the house.And stay away from buildings

Close the doors, windows, balcony doors, window panes, and air vents tightly. ...

Turn off household appliances, gas.

If you have a basement or a cellar in your house: take the necessary things with you (documents, water, a flashlight, medicines) and hide there.

1. Create water reserves:

- in homes (using baths, any enameled containers of large capacity);

- on garden plots (by filling all available containers with water, placing them in the shade, or better buried in the ground).

2. Use water sparingly.

3. Determine the presence of lakes, swamps, and streams near homes and garden plots as additional water sources.

4. Keep pets in the premises (barn, barn), create in them

2-3-day supply of water.

5. Do not build an open fire near residential buildings, outbuildings and garden plots.

6. Carefully listen to the information of local executive authorities about the situation and perform the actions recommended in these conditions.