Prehistoric temples of malta

Task 10. Choose correct answers.
1. ___ is an artificial building material
A. concrete;
B. stone;
C. lime;
D. marble.
2. There are many ___ IN Uzbekistan
A. concrete mixing plants;
B. cage of reinforcement;
C. armature;
D. -.
3. Buildings are ___
A. cold-resistant;
B. heavy concrete;
C. plasticizing;
D. part land cement.
4. Water ___ at 100 Calcium
A. boils;
B. isotherm;
C. -.
D. cold.
5. First of all, you must check ___
A. water cement ratio;
B. cold resistant;
C. hot resistant;
D. aggregate.
6. ___ is the most important thing in building construction
A. quality;
B. water;
C. quantity;
D. quantify.
7. ___ is a natural building material
A. stone;
B. concrete;
C. plastics;
D. roof.
8. ___ air – it is a mix of gas and steam
A. tumid;
B. saturated;
C. hot;
D. cold.
9. A ___ is an electrical device by which the electromotive force of a source of alternating current maybe increased or decreased
A. transformer;
B. transmission;
C. heat generation;
D. current.
10. Pure water consist of …
A. hydrogen and oxygen;
B. several states of combination;
C. permanent hardness or incrust ants;
D. turbidity.
11. Girl are going to draw a picture on a _____
A. easel;
B. ground;
C. curtain;
D. Ceiling.
12. … cement is the most common type of cement in general use around the world
A. Portland;
B. stone;
C. marble;
D. home.
13. … concrete uses heavy natural aggregates such as barites or magnetite or manufactured aggregates such as iron or lead shot
A. heavy concrete;
B. light concrete;
C. easy concrete;
D. difficult concrete.