The thesis is mainly to analyze the reliability and validity of the reading part in the model test of CET 4 along with the types,purpose,source,and scoring.From the analysis,it is obvious that there are still disadvantages in the reliability and validity,thus,some suggestions are put forward to improve the quality of CET-4 and promote the teaching.
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机译:Assessing Correlation between PM2.5 and Meteorological Variables and Projecting the Impact of Climate Change on PM2.5 =PM2.5与气象因子的相关性分析及气候变化对PM2.5的影响