例：A +[recent/new/nationwide]+[study/survey/poll/investigation]+[conducted/taken]+[at a factory/by officials]...
        
        6. 权 威（专 家）
        例：As one +[scientist/writer/doctor/psychologist]+[wrote/commented/pointed out/noted], ...
        
        7. 分 析
        例：It seems +[quite/almost]+[(un)likely/(im)possible/(in)credible/(in)conceivable]+ that...
        
        文章的整体结构框架搭建好，再填入精炼的句子和优美的词汇表达，相信你一定会写出优美的文章！赢得高分！