| 单词拼写。 |
| 1. Martin Luther King's speech was so exciting that the audience rose to a_____. 2. Afraid of the nuclear leak, they've spent a large sum of money to fit every room with systems that p______ the air and water. 3. Before the invention of aspirin, coffee was once used as a p_____. 4. Biggest doesn't n_____ mean best. Many rich countries are very small, while some big countries are not rich. 5. H_____ medicines have been used in China for thousands of years. 6. Your feet are _____(肿的). You must go to see a doctor. 7. A cough and a fever are usually _____(症状)of a bad cold. 8. How can such a large quantity of knowledge be _____(获得)? 9. He suddenly smiled, _____(露出)a set of amazingly white teeth. 10. The ten most _____(频繁)asked questions are listed below. |