| 21. | One group was treated with the new drug, and a second group was treated with the old one as a control . |
| 对一组使用新药,对另一组则使用旧药以资对照。
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| 22. | Mission control ordered the spacecraft to return to earth. |
| 指挥部命令宇宙飞船返回地球。
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| 23. | Our papers are checked as we go through passport control at the airport. |
| 我们通过机场查验护照的关卡时,查验了我们的证件。
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| 24. | She may be old, but she's still in control (of all that is happening). |
| 她尽管人已老了,然而仍由她掌管(一切事情)。
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| 25. | Who's in control of the project? |
| 谁是这个项目的负责人？
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| 26. | Enemy forces are in control of the city. |
| 敌军控制着这座城市。
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| 27. | The children are out of control . |
| 管不住这些孩子了。
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| 28. | Inflation has got out of control . |
| 通货膨胀已失去控制。
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| 29. | You must get your spending under control . |
| 你必须节制开支。
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| 30. | The fire has been brought under control . |
| 火势已受到控制。
|