| 1. | Gas prices would double in 1979 .
汽油价格在1979年要上涨一倍。 |
| 2. | His money doubled in three years .
他的钱三年增加了一倍。 |
| 3. | Statistics suggest that the population of this country will double in ten years' time .
统计显示，这个国家人口在十年内将增加一倍。 |
| 4. | The land has doubled in value ten times over again, since i came in on it and improved it .
自从我接手了这土地，加以改善以来，土地的价值已经涨上10倍了。 |
| 5. | Will you play single or double in the tennis game
（网球比赛你单打还是双打？ ） |
| 6. | The number of members has doubled in five years
会员人数五年中翻了一番。 |
| 7. | The drummer doubles in brass as a violinist
这鼓手还是一个小提琴手。 |
| 8. | Chance of pre - term delivery is double in pregnant smokers
早产的机会率是不吸烟孕妇的两倍。 |
| 9. | The price of a barrel of oil doubled in two thousand seven
2008年一桶油的价格将是2007年的两倍。 |
| 10. | Production of computers has increased double in the last few weeks
近几周来电脑的产量增加了一倍。 |
