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句子
For example, land clearing for agriculture is the largest single cause of deforestation; chemical fertilisers and pesticides may contaminate water supplies; more intensive farming and the abandonment of fallow periods tend to exacerbate soil erosion; and the spread of monoculture and use of high-yielding varieties of crops have been accompanied by the disappearance of old varieties of food plants which might have provided some insurance against pests or diseases in future.
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？
学会分析长难句 ----> 上朗播网 答案
1. 并列复合句
2. 原句中的各个子句，子句类型以及连接词
  • 子句-1
    For example, land clearing for agriculture is the largest single cause of deforestation.
    子句类型:
    并列句
    连接词:
  • 子句-2
    Chemical fertilisers and pesticides may contaminate water supplies.
    子句类型:
    并列句
    连接词:
  • 子句-3
    More intensive farming and the abandonment of fallow periods tend to exacerbate soil erosion.
    子句类型:
    并列句
    连接词:
  • 子句-4
    The spread of monoculture and use of high-yielding varieties of crops have been accompanied by the disappearance of old varieties of food plants.
    子句类型:
    并列句
    连接词: AND
  • 子句-5
    Old varieties of food plants might have provided some insurance against pests or diseases in future.
    子句类型:
    定语从句
    连接词: WHICH
3. 句子成分
  • 子句-1
    For example, [插入语] land clearing [主语] for agriculture [定语] is [系动词] the largest single cause of deforestation. [表语]
  • 子句-2
    Chemical fertilisers and pesticides [主语] may contaminate [谓语] water supplies. [宾语]
  • 子句-3
    More intensive farming [主语] and [连接词] the abandonment of fallow periods [主语] tend to exacerbate [谓语] soil erosion.[宾语]
  • 子句-4
    The spread of monoculture [主语] and [连接词] use of high-yielding varieties of crops [主语] have been accompanied [谓语] by the disappearance of old varieties of food plants. [状语]
  • 子句-5
    Old varieties of food plants [主语] might have provided [谓语] some insurance [宾语] against pests or diseases [定语] in future. [定语]
4. 句子翻译
  • 子句-1
    For example, land clearing for agriculture is the largest single cause of deforestation.
    例如，农业开荒是滥伐森林最大的一个原因。
  • 子句-2
    Chemical fertilisers and pesticides may contaminate water supplies.
    化肥和杀虫剂也许会污染供水。
  • 子句-3
    More intensive farming and the abandonment of fallow periods tend to exacerbate soil erosion.
    更加密集的农业以及休耕周期的放弃往往加剧了水土流失。
  • 子句-4
    The spread of monoculture and use of high-yielding varieties of crops have been accompanied by the disappearance of old varieties of food plants.
    单一作物的传播和高产作物品种的使用附带导致了旧粮食作物品种的消失。
  • 子句-5
    Old varieties of food plants might have provided some insurance against pests or diseases in future.
    就粮食作物品种有可能对未来的害虫或者疾病提供预防。
  • 全句
    For example, land clearing for agriculture is the largest single cause of deforestation; chemical fertilisers and pesticides may contaminate water supplies; more intensive farming and the abandonment of fallow periods tend to exacerbate soil erosion; and the spread of monoculture and use of high-yielding varieties of crops have been accompanied by the disappearance of old varieties of food plants which might have provided some insurance against pests or diseases in future.
    例如，农业开荒是滥伐森林最大的一个原因；化肥和杀虫剂也许会污染供水；更加密集的农业以及休耕周期的放弃往往加剧了水土流失；单一作物的传播和高产作物品种的使用附带导致了旧粮食作物品种的消失，而这些粮食作物有可能对未来的害虫或者疾病提供预防。
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考点解析
根据朗播专家权威分析，句子“For example, land clearing for agriculture is the largest single cause of deforestation; chemical fertilisers and pesticides may contaminate water sup 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：
并列复合句
并列复合句含有两套或者更多相互并列的主谓结构的句子。
①Water has weight; air has weight too, but it is very light.
②Heat is energy, so is electricity.
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.
表语
表语是用来说明主语的身份、性质、品性、特征和状态的成分。
①That remains a puzzle to me.
②The sun is up.
宾语
宾语是指一个动作（动词）的接受者，分为直接宾语和间接宾语两大类，直接宾语指动作的直接对象，间接宾语说明动作的非直接，但受动作影响的对象。一般而言，及物动词后面最少要有一个宾语，而该宾语通常为直接宾语，有些及物动词要求两个宾语，则这两个宾语通常一个为直接宾语，另一个为间接宾语。
①He didn't say anything.
②We sent him a letter.
插入语
在一个句子中间插入的一个成分,不作句子的何种成分,也不和句子的何种成分发生结构关系,同时既不起连接作用,也不表示语气，这样的成分是插入语。
①One advantage of his icebox, Moore explained, was something.
②The success of the Colorado beetle in infesting potatoes, for example, seems to be correlated with its high tolerance to alkaloids.
定语
定语是用来修饰、限定、说明名词或代词的品质与特征的成分。
①In science, a theory is a reasonable explanation of observed events.
②Possible solutions to the problem are formulated.
连接词
连接词是连接短语或子句的句子成分。
①That is, they become diseased and die.
②The baby boomers began streaming into the first grade by the mid-1940's and became a flood by 1950.
谓语
谓语对主语动作或状态的陈述或说明,指出“做什么”、“是什么”或“怎么样”。
①It is used by travelers and business people all over the world.
②I made your birthday cake last night.
系动词
本身有词义，但不能单独用作谓语，后边必须跟表语，构成系表结构说明主语的状况、性质、特征等情况。
①That is air wrung dry of moisture.
②There seem to have been several periods within the last tens of thousands of years.
主语
主语是句子陈述的对象，说明是谁或什么，表示句子说的是"什么人"或"什么事"。
①My school is not far from my house.
②To do such a job needs more knowledge.
状语
状语是谓语里的另一个附加成分,从情况、时间、处所，方式、条件、对象，肯定、否定、范围和程度等方面对谓语中心（或者整个句子）进行修饰或限制。
①In a way, any hypothesis is a leap into the unknown.
②It extends the scientist's thinking beyond the known facts.
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解密长难句真相 ----> 上朗播网 同样有并列句的句子
解密长难句真相 ----> 上朗播网 同样有定语从句的句子
长难句分析
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