TPO20Fossil Preservation
5.Why does the author mention "aragonite" in the passage?
答案O To explain that some marine organisms must undergo chemical changes in order to fossilize
把 原文a mineral variety of calcium carbonate改写成chemical changes ,考试时间紧,有点反应不过来,大家是怎么解决这个问题的
我也一直对这种修辞题很来火,现在刚发现一些规律,错了请大家帮忙改正。
修辞题好像经常处在相关联的句子间,就是两个相邻的句子。那好做题就先用关键词定位。接下来就是看句子与谁相关,好心的句子就是中间有逗号,那么就不用找下一句了,因为逗号已经分割了句子,成为两句,推理就在逗号前与逗号后的两个句子间进行。类似的题如TPO20 Fossil Preservation的2.In paragraph 1, what is the author's purpose in providing examples of how organisms are destroyed?和TPO20Westward Migration的6.According to paragraph 3, what was the significance of the land law passed in 1820?,以上的两个题。
回到现在这一题,这一题原文In many marine creatures, however, the skeleton is composed of a mineral variety of calcium carbonate called aragonite.只有这一个完整的句子,没有用逗号分割。那么however给我们的逻辑指明了方向,看上面一句,两句构成对比。如果不能根据上一句的are known from deposits over 100 million years old判断出这是答案fossilize的改写,那么原句的Indeed,可以表明再向上看一句,从而可以读懂原文。希望大家说说自己做题的方法和思路,尤其是在限制时间时的思路,那个最重要,求回帖