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汞最高价态的离子是()。
A.+1
B.+2
C.+3
D.+4
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第4题
案例分析 Directions: In this section you are supposed to analyze the following cases from the perspective of intercultural communication. Then write down the answers on the Answer Sheet. In 1998, U.S. President Bill Clinton visited China. During his visit, he gave a speech to university students in Beijing. His remarks were generally well received and were followed by a lively question and answer session. After the speech, one student remarked, “During the question and answer session, I did not understand why the president pointed his finger at us to select a person. We would not use such a rude gesture.” Puzzled, the American reporter asked the student what gesture the president should have used. The student answered using a sweep of the open hand---palm upward. What can we learn from this case? What does Clinton’s gesture mean in Chinese culture? How about in American culture?
第8题
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