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The hypothesis that begging calls have evolved properties that reduce their potential for attracting predators yields a prediction: baby birds of spec
句子
The hypothesis that begging calls have evolved properties that reduce their potential for attracting predators yields a prediction: baby birds of species that experience high rates of nest predation should produce softer begging signals of higher frequency than nestlings of other species less often victimized by nest predators.
问题
句子分析（俗称“长难句分析”）是训练提高基础阅读能力的有效手段。我们通过对托福(TOEFL)、雅思(IELTS)、GRE、考研以及四六级等考试中真实出现过的句子（如真题、TPO，剑桥系列）进行结构化分析，可以有效提升句子理解的准确性和效率。朗播通过近百万的用户实际数据分析发现，练习 300-400 个句子，会让阅读能力有显著提升。请按顺序阅读句子，并思考：
1. 句子属于哪种结构类型？简单句？并列复合句？主从复合句？
2. 句子由哪些子句构成，连接这些子句的关联词是什么？
3. 每个子句中各个语法成分分别是哪些？
4. 句子的中文意思是什么？
1. 句子属于哪种结构类型？简单句？并列复合句？主从复合句？
2. 句子由哪些子句构成，连接这些子句的关联词是什么？
3. 每个子句中各个语法成分分别是哪些？
4. 句子的中文意思是什么？
1. 主从复合句
2. 原句中的各个子句，子句类型以及连接词
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分句-4The properties reduce their potential for attracting predators.子句类型:定语从句连接词: THAT
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子句-1The hypothesis yields a prediction.子句类型:并列句连接词:
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子句-2Baby birds of species should produce softer begging signals of higher frequency than nestlings of other species less often victimized by nest predators.子句类型:并列句连接词:
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子句-3Begging calls have evolved properties.子句类型:同位语从句连接词: THAT
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子句-5Baby birds of species experience high rates of nest predation.子句类型:定语从句连接词: THAT
3. 句子成分
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分句-4The properties [主语] reduce [谓语] their potential [宾语] for attracting predators. [定语]
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子句-1The hypothesis [主语] yields [谓语] a prediction. [宾语]
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子句-2Baby birds of species [主语] should produce [谓语] softer begging signals [宾语] of higher frequency [定语] than nestlings of other species [状语] less often victimized by nest predators. [定语]
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子句-3Begging calls [主语] have evolved [谓语] properties. [宾语]
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子句-5Baby birds of species [主语] experience [谓语] high rates of nest predation. [宾语]
4. 句子翻译
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分句-4The properties reduce their potential for attracting predators.这些特性减小了吸引捕食者的可能性。
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子句-1The hypothesis yields a prediction.这种假设产生了一种预测。
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子句-2Baby birds of species should produce softer begging signals of higher frequency than nestlings of other species less often victimized by nest predators.与那些较少被捕食者猎杀的种类的雏鸟相比，一些种类的雏鸟需要发出声音更轻、频率更高的乞食信号。
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子句-3Begging calls have evolved properties.乞食叫声逐渐进化形成一些特性。
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子句-5Baby birds of species experience high rates of nest predation.这种雏鸟的鸟巢经常遭到捕食者破坏。
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全句The hypothesis that begging calls have evolved properties that reduce their potential for attracting predators yields a prediction: baby birds of species that experience high rates of nest predation should produce softer begging signals of higher frequency than nestlings of other species less often victimized by nest predators.一种假设认为乞食叫声逐渐进化形成某些特性，可以减小吸引捕食者可能性，这假设产生一种预测：与那些较少被捕食者猎杀的种类的雏鸟相比，经常面临捕食者威胁的种类的雏鸟会发出声音更轻、频率更高的乞食声。
考点解析
根据朗播专家权威分析，句子“The hypothesis that begging calls have evolved properties that reduce their potential for attracting predators yields a prediction: baby birds of spec 英语长难句解析 ”主要针对以下知识点进行考查，关于这些知识点的讲解如下：
主从复合句
含有两套或更多的主谓结构，其中有一个是主要的主谓结构，其他主谓结构从属于它并且担任起句子成分。
①They believe that the computer will finally take the place of human beings.
②He asked me where he could get such medicine.
并列句
并列句是构成并列复合句的简单句。
①I like action movies but I don't like thrillers.
②Take the chance, or else you will regret it.
定语从句
在主从复合句中，对名词（或者整个句子）限定修饰，起定语作用的句子，就是定语从句。
①They rushed over to help the man whose car had broken down.
②The school that he once studied in is very famous.
同位语从句
在主动复合句中，作同位语的句子，表示与之同位的名词（短语）的实际内容，它的作用相当于名词，对前面的名词（短语）加以补充说明或进一步解释。
①But now the question comes to their minds, “Did she die young because she was a clone?”
②The girls were surprised at the fact that ocean ships can sail up the Great lakes.
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学员笔记
笔记分享
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本句的难点在于句子层次比较复杂，先是主语由一个同位语从句修饰，而同位语从句中还嵌套了一个定语从句，使得整个句子的主语和谓语被分隔开。我们面对这样的句子，需要先跳过同位语（从句）、定语（从句）等修饰性成分，找到句子的主语和谓语，然后再理解之前的修饰性成分。翻译的时候可以先理解各个子句含义，然后再用一句话将整个意思翻译一遍。3
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yield 产生 victimize 使受害0
举一反三
解密长难句真相 ----> 上朗播网
同样有定语从句的句子
- 并列复合句
- 主从复合句
- 主从复合句
- 主从复合句
- 主从复合句
解密长难句真相 ----> 上朗播网
同样有同位语从句的句子
- 并列复合句
- 主从复合句
- 主从复合句
- 主从复合句
- 主从复合句