7. 将下面的短文译成汉语。
gestures
A gesture is any body action that conveys a message to an observer. the body action may be accompanied by a spoken message or it may occur alone. the important thing is that it communicates the thoughts or feelings of one person to another looking on. people consciously use many different kinds of gestures to communicate with each other. they smile or nod, and they shake hands to convey feelings of pleasure at meeting someone. often, however, people are unaware of how much information their unconscious body actions communicate about them. these gestures may reveal their thoughts and feelings ever when they don t mean to communicate them. for example, people sometimes yawn(打呵欠), when they are bored and anxious to leave. some gestures, like smiling, seem to be a part of human nature. they are common to all cultures. other gestures, like saluting, are learned, and they vary from situation to situation.
8. 将下面的句子译成英语。
1) 在美国，除了所得税以外，有些州还有销售税。
2）核心家庭通常由父亲、母亲和他们的孩子们构成。
3）左边的大脑强烈影响一个人的用词能力。
4）这个变化是如此之快以致我们谁都没有看清楚。
5）这篇文章的主要目的是告诉你怎样计划时间。
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