_________(49)A.it can be a sign of respectB.they
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_________(49)
A.it can be a sign of respect
B.they become more intimate
C.We assume these actions are occasional
D.Americans are careful about how and when they meet one another’s eyes
E.who are engaged in the study of communication through body movement
F.they do not mean that
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答案:E
此空白处前面是句子主语Researchers,后面是表语部分,因此缺少的部分可能是修饰主语的成分,选项中只有E是定语从句,其他选项都是完整的句子放在这里不符合语法,本句的意思是:致力于研究通过肢体动作沟通的研究人员意外地发现了手势动作的确切含义。
