题目内容

紫外光谱是带状光谱的原因是()

A. 紫外光能量大
B. 电子能级跃迁的同时伴随着振动及转动能级的跃迁
C. 电子能级差大
D. 波长短

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Cl-CH2CH=CH-CO-C2H5在紫外光谱中产生吸收带,分别是____带和_____带。

在紫外-可见光谱中,极性溶剂会使苯环的精细结构()----(填更明显、消失或无影响)

共轭数目越多的烯烃,摩尔吸收系数()---(填越大、越小或不变)

1. pre-reading taskSurveying and predictingTitle -------- Paths of globalization from Berbers to BachAuthor---- YoYo MaSource------ New Perspective quarterly2. While-reading task: text structure and analysis.Part 1 IntroductionThe importance of cultural tradition: cultural tradition form an essential framework for 1)__________, social2)___________________, and compassionate3)__________________________.Question: How can habits and cultures evolve to join a bigger planet, without 4)____________distinct identities and individual pride?Part 2Answer: The interactions brought about by globalization can create 5)___________ culturesand invigorate and spread6)________that have existed for agesThesis statement: globalization makes it possible for cultures to develop by means of interactionSupporting evidence: Through his music journey of the Silk Road Project (pattern of exposition: 7) _________)Part 3 The priorities of education that will prepare students for living in a globalized worldThe four priorities:First, making the content 8)_______Second, passion-driven educationThird, the development of 9)____________imaginationFourth, 10)__________

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