1. The minorities live in peaceful___________ within one nation. (exist)
2. The number of rare animals is decreasing so______ that they are in danger of becoming extinct. (rapid)
3. The center offers a___________ of leisure activities. (vary)
4. This energy can be changed into_____________. (electric)
5. Fuel supplies are nearly_____________. (exhaust)
6. Fax _____________ has now become a cheap and convenient way to transmit texts. (transmit )
7. He had spent his_____________ life in China to work as an energy researcher. (entirely)
8. Gas and oil_____________ always increases in cold weather. (consume)
9. Solar energy is not only_____________ and infinite but also clean and safe. (plenty)
10. How to make full use of energy is a question for_____________ all over the world. (research)
1. Existence
2. Rapidly
3. Variety
4. Electricity
5. Exhausted
6. Transmissions
7. Entireness
8. Consumption
9. Plentiful
10. Researchers
1, existence
2, rapidly
3, variety
4, electricity
5, exhausted
6, transmissions
7, entireness
8, consumption
9, plentiful
10, researchers