Most of us might think that the world’s oldest colour is black or dark grey. However

第二节 (共10小题;每小题1. 5分, 满分15分)
阅读下面短文, 在空白处填入1个适当的单词或括号内单词的正确形式。
Most of us might think that the world’s oldest colour is black or dark grey. However, 36. (scientist) have discovered that bright pink is the oldest 37. (know) colour. Researchers looked at 1. 1-billion-year-old rocks deep beneath the Sahara Desert. 38. (make) powder from the rocks, they found a bright pink colour. Dr Nur Gueneli 39.  came from the Australian National University led the research. She said the colour was produced by ancient organisms(有机体) that lived in old oceans that are so old and no longer exist. At that time, tiny organisms were 40.  largest life forms on the earth.
Dr Gueneli said her first 41. (react) was complete amazement. She said her team thought the rock powder might turn black in their experiments. Instead, it turned pink. Another researcher said, “Dr Gueneli came running into my office and said, ‘Look at this, ’ and she showed this bright pink material. ‘It turned out 42. (be) a real colour, 1. 1 billion years olD. ’” The rocks could contain other colours, from a blood red 43.  a deep purple. Gueneli 44. (explain) how important her find was. She said, “Imagine you could find a fossilized dinosaur skin that still has its original colour—green or blue. That is 45. (exact) the type of discovery that we’ve made.”
【语篇解读】世界上最古老的颜色是什么?
答案解析
36. scientists  scientist为可数名词且在此表泛指, 根据谓语动词have discovered可知此处填scientists。
37. known  设空处作定语修饰colour, 表示“已知的”, 故填known。
38. Having made  分析句子结构可知, 设空处作状语, 又因为they与make之间是逻辑上的主谓关系, 且make所表示的动作发生在found之前, 故填Having made。
39. who/that  设空处引导限制性定语从句, 先行词Dr Nur Gueneli指人, 在从句中作主语, 故填who/that。
40. the  形容词最高级前常用定冠词the。
41. reaction  设空处作宾语从句中的主语, 表示“反应”, 故填reaction。
42. to be  turn out to be...意为“结果是……”。
43. to  from...to...意为“从……到……”。
44. explained  根据下文中的She said可知, Gueneli对她的发现做出解释这一动作发生在过去, 故填一般过去时。
45. exactly  此处用副词作状语修饰整句话, 故填exactly。

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