如根据化学知识，可以理解科普读物Water is made from oxygen and hydrogen.；根据生活经验可以理解Green plants let out oxygen and breathe in carbon dioxide.。

根据逻辑推理理解短文

逻辑推理实际上就是文章的“弦外之音”、“言下之意”。如闸北区中考模拟卷阅读C篇回答问题中，根据Have the police taken your driving licence away，too?可以推断问题6：Why was the other man riding a bicycle instead of diving a car?的答案为：Because the police had take his driving licence away.。

再如Then they cam e to the second picture. The assistant was going to draw the cloth ashe did before.As soon ashe touched the cloth，he cried，″Wonderful It's the best picture I have ever seen！″据此可以推断出第二张画画的是一块布。

条分缕析理解长句

长句是初中生阅读理解的难点之一，长句中通常包含并列、复合、倒装等结构，对于这类句子要分清主次，先找出句子的主、谓、宾、定、状、补，再找出修饰它的从句或短语等。如，Parents whose children show a special interestina particular sport have a difficult decision to make about their children's career.，先找出本句的主、谓、宾为Parents have a cision.，再找出修饰语W hose children show a special interestina particular sport为Parents的定语从句，difficult修饰decision，to make about their children's careers为不定式做decision的定语。经过分析，化整为零，化繁为简，此句就不难理解了。

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