americans take direct eye contact as a sign of honesty and sincerity, although it ( )
A. should not be too intense
B.is seldom kept
C.is the way show their interest
D.may be seen as intrusive
出自:河南工业职业技术学院酒店英语

完成拼图验证

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拼图背景,将小拼图拖到缺口处
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