Iron and carbon is not as simple as one might think. Steel

а) has b) are c) haven’t d) have

0. 
   Each tomb … an underground part for the mummy.
   

а) was b) were c) had d) will be
Task 10. Choose the correct answer

1. …. Is heavy buildings materials

A. concrete;

B. Glass wool;

C. sand;

D. Water.

2. At first ….of materials should be checked.

A. Bio stability;

B. bronze;

C. Crazy;

D. Wavy.

3. Stone does not have the property of …..

A. Water absorption;

B. Hydroulicity;

C. opaque;

D. Transparent.

4. He can easily carry ….

A. Roll of glass wool;

B. Concrete panel;

C. column;

D. House.

5. …. Are used in building.

A. Sealants;

B. book;

C. bread;

D. Pencil.

6. One cannot build a house without checking the ….. of materials.

A. Hydrophobicity;

B. Gypsum;

C. bitumen;

D. Bronze.

7. ...is type of metal.

A. Bronze;

B. sand;

C. water;

D. Glass.

8. Father works in a factory that produces …. sheet.

A. Gypsum;

B. water;

C. sand;

D. Stone.

9. …. is light.

A. Glass wool;

B. Concrete;

C. Big stone;

D. reinforced concrete.

10. …. Is heavy building material.

A. Concrete;

B. Glass of water;

C. table;

D. Paper.

11. A man can bend a… tile.

A. Rubber;

B. concrete;

C. Gypsum board;

D. Gypsum tile.

12. … is flexible but concrete is rigid.

A. Rubber;

B. wood;

C. sand;

D. Flashing.

13. Rubber is flexible but … is rigid.

A. Concrete;

B. Rubber;

C. water;

D. Milk.

14. … can burn.

A. Wood;

B. metal;

C. Iron;

D. Bronze.

15. Wood is ….

A. combustible;

B. noncombustible;

C. transparent;

D. Wavy.

16. Wood can burn but concrete cannot …

A. Burn;

B. light;

C. spark;

D. Turn.

17. Concrete is ….

A. Non-combustible;

B. combustible;

C. flexible;

D. every.

18. …vapor may pass through stone

A. Water;

B. milk;

C. bronze;

D. binders.

19. Water vapor cannot easily pass through ….

A. Bitumen;

B. stone;

C. sand;

D. Cotton.

20. Stone is ….

A. permeable;

B. impermeable;

C. light;

D. white.