詞形詞性變化記憶：reactions名詞，反應—reactionist名詞，反動分子—reactiinary 形容詞，反動的，保守的—reaction名詞，反應；反應力；保守思想；反抗
常見詞組：
詞根詞源：react作出反應 ion名詞後綴，表示狀态→reaction反應
前綴：re回，往後，對立
詞根：act驅動，引導，行動，由ag而來後綴：ion名詞後綴，表示行為，狀态，結果，與-tion同
Those only repeating words performed 執行the same as those with no distraction幹擾，but those with the more complicated比較 task showed even worse更壞的 reaction 反應times.
His reaction反應 to this event事件 was unexpected 出乎意料的。
常用詞組：
reaction to對…的反應
chain reaction（化學上的）鍊（式）反應…
Reaction反應 to the president's總統 visit 訪問is mixed好壞參半.
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Recruit 
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Yellowpages 
sport 
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shopping 
name 
game 
directory 
literature 
Word 
tour 
furnish 
Lottery 
tftnews 
lyrics 
News 
digital 
car 
dir 
Edu 
Finance 
