《2025年练习部分高中英语选择性必修第一册上外版》

Section B The following passage is about a science fiction, The Lost World. Ned and the other three men, Summer Lee, Lord John, Challenger were walking through a jungle and exploring the surroundings. Read and fill in each blank with the sentences given on the left side by changing them into proper passives. One example is given.
The Lost World
During their explorations, the men came upon a dinosaur around a volcano. They were attacked and escaped, only to find that their camp (0) had been damaged by an unknown creature. The next night they heard two dinosaurs fight and knew one of them had been killed. Professor Summer Lee was then insistent that all their energies be directed to finding a way off the island.
The next evening Ned went for a walk by himself and discovered a cave, which had light coming from it. He knew this was probably produced by human-like animals. On his return, he found the others gone. Because of this, he called to Zambo, the native who (1)_________.
The next morning Lord John returned to the camp and explained to Ned how he and the others (2)_________. The two of them arrived just in time to save Challenger and Summer Lee from death. They then joined the Accala tribe, whose lights Ned saw, in a fight to rid the plateau (高原) of the dangerous ape-men. They were successful and (3)_________ to leave the plateau, so they could return to London.
Once there, the report they gave to the Zoological Institute was met with doubts, until Challenger produced a live dinosaur for all to see. In a long period after that, the men (4)_________.
(Left side sentences: They asked Zambo to help them before Ned called to him. / Ape-men captured Lord John and the others before he explained to Ned. / The chief's son helped them. / People were treating them as conquering heroes.)

答案：
(1) had been asked to help them before Ned called to him
(2) had been captured by ape-men before he explained to Ned
(3) were helped by the chief's son
(4) were treated as conquering heroes
解析：
(1) 原句主动语态为“They asked Zambo to help them before Ned called to him”，改为被动语态，Zambo作主语，用过去完成时被动“had been asked...”；
(2) 原句主动语态为“Ape-men captured Lord John and the others before he explained to Ned”，改为被动语态，“he and the others”作主语，用过去完成时被动“had been captured...”；
(3) 原句主动语态为“The chief's son helped them”，改为被动语态，“they”作主语，用一般过去时被动“were helped...”；
(4) 原句主动语态为“People were treating them as conquering heroes”，改为被动语态，“the men”作主语，用一般过去时被动“were treated...”。