1. Totally without light and subjected to intense pressures hundreds of times greater than at the Earth ’ s surface，the deep— ocean bottom is a hostile environment to humans，in some ways as forbidding and remote as the void of outer space ．(定语后置 in some ways⋯) 由于完全没有光， 而且承受着比在地球表面大数百倍的极大压力，深海底部对人类而言是一个充满敌意的环境，在某些方面就像外层空间一样险恶和遥远。分句 1： Totally without light and subjected to intense pressures 分句 2： hundreds of times greater than at the Earth’s surface分句 3： the deep— ocean bottom is a hostile environment to humans 分句 4： in some ways as forbidding and remote as the void of outer space 分句 2 修饰分句 1 结尾的短语intense pressures，分句 1 是分句 3 的原因状语分句 3 是整个长句子的主句分句 4 是分句 3 的后置定语，修饰分句3 的 a hostile environment to humans 整个句子结构是：原因状语 +主句 +后置定语这是主句前后分别有状语和定语的修饰成分，但是本句其实不是复合句。句子的核心意思是深海对于人类而言是一个充满敌意的环境。2.Basic to any understanding of Canada in the 20 years after the Second World War is the country's impressive population growth ．(倒装结构 Basic to any understanding⋯ is ⋯)要理解二战之后20 年中的加拿大，就必须了解该国惊人的人口增长。分句 1： Basic to any understanding of Canada in the 20 years after the Second World War 分句 2： is 分句 3： the country's impressive population growth 分句 1，2，3 共同构成倒装句， 正常的语序应该是3，2，1，即：该句的正常语序是The country's impressive population growth is basic to any understanding of Canada in the 20 years after the Second World War．本句是一个简单句，只不过使用了倒装，谓语动词是is. 3.As a result ，claims that eating a diet consisting entirely of organically grown foods prevents or cures disease or provides other...
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