2. 外语
  3. Complete the summary using the list of words, A-K, below. Write the correct letter, A-K, in boxes 7-10 on your answer sheet. Som

Complete the summary using the list of words, A-K, below. Write the correct letter, A-K, in boxes 7-10 on your answer sheet. Som

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问题 Complete the summary using the list of words, A-K, below.
Write the correct letter, A-K, in boxes 7-10 on your answer sheet.
Some scientists believe that laughter first developed out of【R1】______. Research has revealed that human and chimp laughter may have the same【R2】______. Scientists have long been aware that【R3】______laugh, but it now appears that laughter might be more widespread than once thought. Although the reasons why humans started to laugh are still unknown, it seems that laughter may result from the【R4】______we feel with another person.
A combat B chirps C pitch
D origins E play F rats
G primates H confidence I fear
J babies K tickling
【R2】
选项
答案D
解析 利用细节信息“human and chimp laughter”的比较及顺序性原则定位于原文第三段前半部分。第一句话提及人类的笑与黑猩猩的笑有所不同“chimp and human laughtervary”，然后提出问题“does this pant laughter have the same source as our own laugh-ter”，然后做出回答“New research lends weight to the idea that it does”，于是根据这里的信息可以判断人类与黑猩猩的笑具有same origins(origins对应原文source)，所以正确答案为D(origins).
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