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Six men have been trapped in a mine 51 seventeen hours. If they are not brought to the surface soon they may lose their lives. 52 , rescue operations are 53 difficult. 54 explosives (炸藥) are used, vibrations (振動) will cause the roof of the mine to collapse. Rescue workers are 55 drilling a hole on the north side of the mine. They 56 . to bring the men up in a special capsule. If there had not been a hard layer of rock 57 the soil, they would have completed the job in a few hours. 58 .it is, they have drilled for sixteen hours and they still have a long way to go. 59 , a microphone, which was lowered into the mine two hours ago, has 60 the men to keep in touch with their closest relatives. Though they are running out of food and drink, the men are cheerful and confident that they will get out soon.They have been told that rescue operation are progressing smoothly. If they knew how difficult it was to drill through the hard rock, they would lose heart.
B.根據(jù)課文的內(nèi)容在每個空白處填入一個恰當(dāng)?shù)脑~。
“You are all such dear 61 of mine,” Colin went on reading out Henry Ground’s words 62 a flat tone, which, if they weren’t so interested, would have sent everyone to sleep, “that I cannot decide which of you to leave my 63 to.” Colin paused. In the 64 , you could have heard a pin drop. He went on, “so, dear friends, I have set you a little 65 . Each of you in 66 must tell the 67 joke he or she can think of, and the one who gets the most 68 will get 69 my money. Colin will be the 70 of the best joke.”