41. | What the real cause was is open to conjecture. |
| 真正的原因是什么尽可任凭猜测。
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42. | What courses are open to us? |
| 我们可以采取什么办法?
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43. | The Minister cut the tape to open a new section of the motorway. |
| 部长为一段新高速公路的竣工剪綵。
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44. | The door defied all attempts to open it. |
| 这门用什么办法也打不开。
|
45. | She got the door open , but only with some difficulty. |
| 她倒是把门打开了,但却花了些力气。
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46. | Their conclusions are open to dispute. |
| 他们的结论可供商榷。
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47. | David gave the door a kick and it flew open . |
| 大卫一脚向门踹去,那门猛地开了。
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48. | He flicked the knife open . |
| 他轻触一下把刀刃弹出。
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49. | He flung open the door. |
| 他猛然推开了门。
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50. | Open the window and let in some fresh air. |
| 打开窗户放进些新鲜空气。
|