Question

17．In Australia there is a famous island called Fraser Island．A great many visitors come here for holidays every year．Why？The reason is that it is special．（56）C．In fact，it is the largest sand island in the world．It's about 200 kilometers long and 240 kilometers wide．
     Though the island is a popular place of  interest，there is no airport on the island．The long beach along the east coast works as the airport．（57）A．
     On the island there are sand hills without any plants，but there are forests with old trees，beautiful flowers and over a hundred lakes，too．（58）E．
     Every year，visitors come to enjoy the island's natural beauty．People like camping and hiking there．（59）D．Animals were killed for food and this made them in danger of extinction （灭绝）．They threw rubbish everywhere，and the lakes were seriously polluted．
    （60）F．Rules have been set up．For example，visitors are not allowed to use motorboats （摩托艇） or go fishing in the lakes，and they mustn't leave any rubbish．
A．Planes arrive and leave from here
B．Anyone who breaks the rules w il be pun i shed
C．The island is completely made of sand
D．Unluckily，visitors have caused many problems
E．Many kinds of birds and animals live in the forest
F．So it is time to protect the environment of the island．

Answer 1

分析 文字大意：这是一篇说明文，主要介绍澳大利亚的弗雷泽沙岛，它很特别，岛上完全由沙子构成的．没有任何植物，有老的树和森林，美丽的鲜花和一百多个湖泊，鸟类和动物很多生活在森林里．游客来享受岛上的自然美景．人们喜欢露营和远足．但是游客制造了很多环境问题，杀死了很多岛上的动物，因此要建立规则，保护这座岛的环境．

解答 56．答案：C．选句题．根据下句In fact，it is the largest sand island in the world．事实上，它是世界上最大的沙岛．可知，上句应是"这个岛完全是沙子制造的"，选C．
57．答案：A．选句题．根据上句The long beach along the east coast works as the airport．沿东海岸的长滩是机场．可知，下句应该是"飞机从这里起飞离开．"，选A．
58．答案：E．选句题．根据上句but there are forests with old trees，beautiful flowers and over a hundred lakes，too．但是这里有古老的树木，美丽的花朵和超过一百个湖泊．可知，介绍岛上的生物，下句应该是"多种鸟类和动物生活在森林里"，选E．
59．答案：D．选句题．根据下句Animals were killed for food and this made them in danger of extinction （灭绝）．动物被杀死作为食物，这使它们处于灭绝的危险之中．可知，上句应该是"不幸地是，游客已经造成了许多问题"，选D．
60．答案：F．选句题．根据下句Rules have been set up．已经制定了规则．可知，上句应该是"所以是时候保护该岛的环境了．"，选F．

点评 阅读选句，要注重句子与句子之间、段落与段落之间逻辑关系以及对篇章的整体理解．结合语境，根据所给句子，完成答案．