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（1）用数字或符号填空： ①两个氮原子______，②标出CaSO 4 中钙元素的化合价______． （2）在氮气、甲烷、一氧化碳、熟石灰、纯碱中选择适当物质，用化学式填空： ①属于有机物的是______； ②改良酸性土壤的物质是______； ③通常用于食品包装的气体是______； ④2008年12月2日凌晨，陕西省榆林市定边县堆子梁镇中学一女生宿舍发生煤气中毒事件，引起该中毒事件的具体物质是______．
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【简答题】Complete the following summary of Text I, using the words in the text. Public relations (PR) (1) h_________ about bad news and (2) p___________ politicians, companies and celebrities is to secure posi...
【判断题】Bruce is talking to Bill about the new marketing plan. Watch the video clip and tick (√) those statements that are true. u01p41.mp4 clarify v. 澄清;阐明 objective a. 客观的 involve v. 包含;牵涉;使卷入;使参与 outstandi...
A.
正确
B.
错误
【单选题】(p. 10) Which of the following statements about services is true?
A.
A service economy produces services at the expense of other sectors.
B.
Service jobs are low paying and menial.
C.
Service production is labor intensive and low in productivity.
D.
Service is a necessary evil for manufacturing firms.
E.
Marketing and managing services presents issues and challenges not faced in manufacturing and packaged goods companies.
【简答题】Work in pairs and answer the following questions about the Text. 1. What is the definition of marketing? 2. How many marketing mix models are given in the text? What are they? 3. What elements does t...
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A.
segmentation
B.
categorization
C.
evaluation
D.
selection
【简答题】Before a company starts a new p___1____, they must collect and study information about what people want and need. So, they do m_____2________. The boss of the company needs a lot of information...
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