Mountain biking demands hill — walking strength as well as track-riding skills. Initially, choose gentle routes among familiar t

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问题 Mountain biking demands hill — walking strength as well as track-riding skills. Initially, choose gentle routes among familiar terrain or risk______shoulder-carriers!

选项 A、long-term
B、elongated
C、prolonged
D、lengthened

答案C

解析 本题后半句的意思是,“要在熟悉的范围内选择比较平缓的路线,否则有可能长时间地用肩扛着自行车。”Shoulder-carriers在这里指“(骑车人成了)扛车的人”。A项long—term用于指“(从现在到将来持续的)很长一段时间”或者“与将来发生的事件有联系”,如:long-term plan,而本句指的是一次性事件,所以不合适。其他3个选项的共同点都是“把……拉长”,但B项elongated仅指在空间上拉长,如:The nose is too much elongated. D项lengthened可以指空间也可以指时间,如:The road could be lengthened.和He lengthened his stay in Beijing。但C项prolonged与elongated和lengthened不同的是,它指“持续到超过正常的时间限度”或“延长正常的时间限度”,恰好符合本句的意思,因为,在骑车爬山运动中,有时扛车是难免的,但如果选择路线正确,扛车的时间就不会太长,反之,扛车的时间就会延长。
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