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句子
In several countries they have become interested in the possibility of using fuel produced from crop residues either as a replacement for petrol (as ethanol) or as fuel for power stations (as biomass).
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. 简单句
2. 原句中的各个子句，子句类型以及连接词
  • 简单句
    In several countries they have become interested in the possibility of using fuel produced from crop residues either as a replacement for petrol (as ethanol) or as fuel for power stations (as biomass).
    子句类型:
    简单句
    连接词:
3. 句子成分
  • 简单句
    In several countries [状语] they [主语] have become [系动词] interested in the possibility of using fuel [表语] produced from crop residues [定语] either [连接词] as a replacement for petrol [宾语补足语] (as ethanol) [同位语] or [连接词] as fuel for power stations [宾语补足语] (as biomass). [同位语] [注：这两处宾语补足语是use的宾语fuel的补语]
4. 句子翻译
  • 简单句
    In several countries they have become interested in the possibility of using fuel produced from crop residues either as a replacement for petrol (as ethanol) or as fuel for power stations (as biomass).
    在一些国家，人们变得对使用作物残余物制造的燃料感兴趣，这种燃料既可以作为汽油代替物（如乙醇），也可以作为发电站的燃料（如生物燃料）。
  • 全句
    In several countries they have become interested in the possibility of using fuel produced from crop residues either as a replacement for petrol (as ethanol) or as fuel for power stations (as biomass).
    在一些国家，人们变得对使用作物残余物制造的燃料感兴趣，这种燃料既可以作为汽油代替物（如乙醇），也可以作为发电站的燃料（如生物燃料）。
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考点解析
根据朗播专家权威分析，句子“In several countries they have become interested in the possibility of using fuel produced from crop residues either as a replacement for petrol (as e 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：
简单句
英语中，只含有一个主谓结构并且句子各成分都只由单词或短语构成的独立句子或分句叫做简单句。
①Things change.
②She became a lawyer.
简单句
英语中，只含有一个主谓结构并且句子各成分都只由单词或短语构成的独立句子或分句叫做简单句。
①Things change.
②She became a lawyer.
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.
宾语补足语
在英语中有些及物动词，接了宾语意义仍不完整，还需要有一个其他的句子成分，来补充说明宾语的意义、状态等，称为宾语补足语，简称宾补。
①He proved that theory very important.
②I'd prefer you to leave him alone.
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.
同位语
一个名词(或其它形式)对另一个名词或代词进行修饰，限定或说明，这个名词（或其它形式）就是同位语。
①A new household convenience, the icebox, a precursor of the modern refrigerator, had been invented.
②Most of them range in size from $5,000 to $12,500, a welcome sum to many young practitioners.
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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