Choose one variant (a, b, c or d) which could be used in place of the word or phrase underlined without changing the meaning of the sentence

1. You have to prepare a thesis on your investigation.

a) research c) dissertation

b) publication d) examination

2. You will have to meet your scientific advisor.

a) head c) manager

b) scientist d) supervisor

3. It is important to employ the most suitable techniques in your study.

a) use c) provide

b) promote d) unite

4. He will help you to select a promising topic.

a) productive c) perspective

b) prominent d) principal

5. In order to solve this problem we must be provided with all necessary data.

a) prevented c) proposed

b) supplied d) suggested

6. The message was transmitted by electronic mail.

a) received c) transformed

b) sent d) translated

7. Metals are conductors of heat and electricity.

a) careers c) presenters

b) insulators d) carriers

8. Newton's discoveries affected the science of Western civilizations for several centuries.

a) applied c) influenced

b) introduced d) contributed

9. Heat can convert solid to a liquid.

a) change c) cause

b) condense d) conduct

10. The plant generates electricity for the entire surrounding area.

a) produces c) removes

b) obtains d) extracts