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)
Loga
Sinh Học lớp 12
