Which of the following statements best summarizes the main idea of the passage（）
A. Colors are meaningful in different cultures
B. Colors have changed its meanings over time
C. Different colors may affect one’s mood in different ways
Different colors may have different meanings to different people
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Which punctuation mark is rarely seen in academic textbooks（）
A. ! an exclamation mark
B. a colon
C. ; a semi-colon
D. a question mark
Which of the following is NOT true as for the preparation of products before attending a trade show（）
A. One should be knowledgeable about the products
B. One should be prepared to answer the visitors’ questions about the products
C. One should be prepared to make a product presentation to the potential customers
D. One should prepare a formal suit
Which of the following is NOT the appropriate trade show etiquettes（）
A. Greeting the visitors warmly
B. Wear professional uniform
Chat with other booth staff and ignore the coming visitors
D. Engaging the trade show visitors
Which of the following booth type is superior in location and can attract most of the visitors（）
A. Peninsular booth
B. Island booth
C. Standard booth
D. Perimeter booth
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