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PTE阅读FIB中的题目是很多考生的备考难点，小编的建议是多做真题，今天小编就以FIB真题为例，为大家讲解解题步骤！
Fish dispersal
Small lakes with a surface area of less than 100 square meters represent the majority of global freshwater ecosystems. Many of these lakes1 in remote, often mountainous areas with no inflow and outflow. Yet in most of these lakes, there are fish. So2 do fish reach lakes and ponds that are not connected to other bodies of water?
This question3 addressed by some of the leading natural scientists of the 19th century such as Charles Darwin, Alfred Russel Wallace and Charles Lyell, who all came to the same conclusion---water birds must be4 fish dispersal.
And they had a plausible explanation for this: fish eggs of some species are sticky and can survive for some time out of water. The theory is thus that the fish eggs5 to water birds' feathers or feet; the birds then fly from one body of water to the next, where the fish hatch from their eggs.
挖空
空1：find are found was foundfound
空2：how what why where
空3：was been was was already has already
空4：responsibility to responsibility in responsible to responsible in
空5：stick stuck was stuck were stuck
第一步：通读全文，确定主题并理解文章内容
这道题的话题还是比较有意思，不属于难以读下去的题目
第二步：挖空处句子重点分析- 分析句子结构并逐句翻译、词义辨析并选词填空【根据语法、词性、词义判断】
判断挖空处类型，是否可以根据语法或词性来作答，若不能判断，则将干扰项带入到挖空处来判断。
空1
Many of these lakes1 in remote, often mountainous areas with no inflow and outflow.
干扰项
此空需要填动词，从四个选项看，区别在于【过去还是现在】【主动还是被动】【单数还是复数】。
意思上来说，湖水和发现必然是被动的关系。
同样从意思上来说，此空并没有描述过去的某件事儿，它讲的是一个常态的过程，一般现在时是可以表示一个常态的事件的，所以我们选择一般现在时的被动语态，Lakes为复数，所以我们选择are found。
翻译
许多这样的湖泊位于偏远地区，通常是山区，没有流入和流出。
空2
Yet in most of these lakes, there are fish. So2 do fish reach lakes and ponds that are not connected to other bodies of water?
干扰项
空2
此空是理解题，得结合上下文，然后大部分的湖水里是有鱼的。
看到此空的后文，那些水都是不相连的，鱼他是怎么跨越这种地理的障碍抵达新湖水里的呢？怎么做到的呢？How？
翻译
那么，鱼类是如何到达与其他水体没有联系的湖泊和池塘的呢?
空3&4
This question3 addressed by some of the leading natural scientists of the 19th century such as Charles Darwin, Alfred Russel Wallace and Charles Lyell, who all came to the same conclusion---water birds must be4 fish dispersal.
干扰项
空3 强调的是，这个问题已经被一些科学家解决了。
又因为此处的主语是this question，所以，一定是被动语态。
要么 was addressed,要么has already been addressed，后者不在选项中，选择前者。
空4 从全文的意思看，水鸟是这个事件的关键，我们采用【be responsible for】的意思。
它不仅是对……负责，还有是……的原因的意思。
翻译
这个问题已经被19世纪一些著名的自然科学家解决了，如查尔斯·达尔文、阿尔弗雷德·拉塞尔·华莱士和查尔斯·莱尔，他们都得出了同样的结论——水鸟必须对鱼类的扩散负责。
空5
The theory is thus that the fish eggs5 to water birds' feathers or feet；the birds then fly from one body of water to the next, where the fish hatch from their eggs.
干扰项
此空需要一个动词，这个动词应该和后面句子的时态保持一致，后面用的是fly，此处也应该是一般现在时。
If one thingstickstoanother, it becomes attached to it and is difficult to remove.粘住
我们发现stick这个单词可以不用被动语态，加上eggs是复数，我们选择stick
翻译
这个理论是这样的:鱼卵会粘在水鸟的羽毛或脚上;然后这些鸟从一个水域飞到另一个水域，鱼在那里孵化。
以上就是小编为大家带来的PTE阅读FIB真题讲解，如果还想了解更多PTE考试时间、PTE考试报名的资讯，欢迎添加我们的微信kewo11咨询，获取留学申请指导！
