1. The small amount of water and food in this area cannot sustain the large population.
a) guarantee c) support
b) survive d) decrease
2. These modern computers have only some of human traits.
a) beings c) characteristics
b) organs d) qualifications
3. He performed experiments to confirm what they had proposed.
a) verify c) contradict
b) disprove d) approve
4. The project was postponed due to adverse economic conditions.
a) appropriate c) adequate
b) contemporary d) unfavourable
5. The subject was controversial for a long time, and there will probably never be complete agreement.
a) disputed c) discussed
b) interesting d) topical
6. The concept is difficult to grasp from a definition alone, but a description makes it easier to visualize.
a) depict c) explain
b) understand d) interpret
7. The goal of all scientific investigation is to predict the future.
a) cause c) use
b) result d) aim
8. We can give other examples of scientific achievements that were a result of joint efforts.
a) competition c) cooperation
b) conversation d) contradiction
9. Mathematics gives precision to science.
a) accuracy c) challenge
b) significance d) prominence
10. In the 20th century, Britain developed gradually from an industrial economy into a service economy.
a) progressed c) upgraded
b) modified d) evolved