Choose the proper words and fill in the blanks. 1. Scientists solve a … of complicated mathematical problems.
A. origin B. variety C. universe D. cell
2. The researchers always try to … the facts.
A. refer B. measure C. satisfy D. unify
3. When people speak of technology they usually mean … technology.
A. medical B. nuclear C. educational D. industrial
4. … make our life and work easier.
A. Principles B. Laws C. Tools D. Facts
5. People had to get food, clothes and … .
A. shelter B. machines C. cars D. technologies
6. Science is … much to modern technology.
A. doing B. making C. contributing D. explaining
7. Science has great … on our lives.
A. attempt B. influence C. boundary D. discovery
8. Industrial technology began to develop with the … of the steam engine.
A. technology B. discovery C. invention D. structure
9. The boundaries between scientific fields have become … clear.
A. less B. more C. most D. almost
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10. All sciences are closely … .
A. investigated B. unified C. explained D. interconnected

2. Fill in the blanks with the proper grammatical forms.
1. The experiments … by him.
A. has been done C. have been done
B. were been done D. have done
2. The scientists … a wide variety of subjects.
A. were studied C. has studied
B. have studied D. are studied
3. The cell structure of the plants … by the scientists.
A. has been examined C. have examined
B. has examined D. had examined
4. … they already solved the problem?
A. Are B. Have C. Do D. Is
5. … he made observations?
A. Have B. Is C. Does D. Has
6. This theory has … a part of scientific knowledge.
A. become B. became C. becomes D. been become
7. Scientific knowledge has … greatly.
A. grow B. grown C. grew D. grows
8. All branches of science … closely interconnected.
A. have B. has C. are D. had
9. The tools and machines … our life and work easier.
A. makes C. have made
B. have been made D. are made
10. Since ancient times people … tools and machines.
A. have invented C. are invented
B. invented D. invents

3. The text contains different mistakes: 2 — in spelling, 5 — in grammar. Correct the mistakes and rewrite the text.
Computers has changed the way people work. Many tasks which was performed by a large number of people is done now by computers. They provide
scintists with understanding of nature. Computers produces new information
so quikly that they have change people’s views on the world.

4. Answer these multiple-choice questions about science and technology.
1. What does the word ‘science’ mean?
A. broad field
B. Latin word
C. knowledge
2. What do scientists do?
A. develop theories
B. only collect facts
C. only make observations
3. When does a theory become a part of scientific knowledge?
A. after experiments
B. after tests
C. after it has been tested experimentally and proved to be true
4. What do scientific theories consist of?
A. different technologies
B. observations and facts
C. general principles and laws
5. What groups can scientific study be divided into?
A. social and technical sciences
B. natural and technical sciences
C. natural, social, and technical sciences
6. Why have many new fields of science appeared?
A. because scientific knowledge has grown and become more complicated
B. because sciences influence our lives
C. because it proved to be true
7. When did industrial technology begin to develop?
A. with the development of the radio
B. with the development of the computer
C. with the development of the steam engine