2. 外语
  3. Complete the summary below using words from the box. Write your answers, A-H, in boxes 10-13 on your answer sheet. Though often

Complete the summary below using words from the box. Write your answers, A-H, in boxes 10-13 on your answer sheet. Though often

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问题 Complete the summary below using words from the box. Write your answers, A-H, in boxes 10-13 on your answer sheet.
Though often doubted, the self-medicating behaviour of animals has been supported by an increasing amount of evidence. One piece of evidence particularly deals with【R1】______, a soil-consuming behaviour commonly found across animals species, because earth, often clay, can neutralize the【R2】______content of their diet.
Such behaviour can also be found among humans in Africa, where people purchase【R3】______at market stalls as a kind of medication to their illnesses. Another example of this is found in chimps eating leaves of often【R4】______taste but with no apparent medicinal value until its unique structure came into light.
A mineral B plants C unpleasant D toxic
E clay tablets F nutritional G geophagy H harmless
【R3】
选项
答案E
解析 利用细节信息“Africa”和“market stalls”定位于原文倒数第二段第四句话“Themedical stalls in African markets frequently sell tablets made of different sorts of clays，appropriate to different medical conditions”，所以正确答案为E(clay tablets)。
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