Look at the following statements (Questions 37-40) and the list of researchers below. Match each statement with the correct rese

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问题 Look at the following statements (Questions 37-40) and the list of researchers below.
Match each statement with the correct researcher, A, B, C or D.
Write the correct letter, A, B, C or D, in boxes 37-40 on your answer sheet.
NB You may use any letter more than once.
List of Researchers
A Cameron Petrie
B Ravindanath Singh
C Yama Dixit
D David Hodell
Rough calculations indicate the approximate length of a period of water shortage.

选项 A、 
B、 
C、 
D、 

答案D

解析 题目:粗略计算出缺水期的时长。通过题干length of a period可知描述所在段落应当有时间长短出现,需要在原文中找到描述时长的词汇,如几年、几天、几小时等;文中在提到夏季雨季影响了河流水位之后,引发了河流旱季,drought对应题干water shortage,而这样的情况,持续了200多年(lasted about 200 years);estimate替换了calculations,about替换了approximate。因此答案为D。
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