本期重點單詞：Deteriorate,Extinguish,Fluctuate
　　Deteriorate 惡化,變壞
　　His health had deteriorated while he was in prison.
　　Extinguish 使消亡,使破滅,熄滅,破滅
　　Nothing could extinguish his faith in human nature.
　　Fluctuate 波動,漲落,起伏
　　The price of vegetables and fruits fluctuates according to the season.　　
　　本期重點句型：倒裝句,賓語從句,定語從句等
　　1.Among the most powerfui engines of modern economic growt have been
　　technological changes that raise output relative to inputs.
　　2.But what really needs to done is to share these
　　lessons learned so that other parts of the world can also
　　benefit and learn about what does work at the community
　　level.
　　3.This difference between ape and human has been noted by research
　　who have observed that the former
　　will do anything to avoid making eye contact with a fellow troop member.
　　答案解析：
　　1.他在獄中時健康已經惡化.2.沒有什么能使他喪失對人性的信心.3.蔬菜和水果的價格隨季節波動.
　　1.本句是倒裝句,主語是technological changes,that引導的定語從句修飾主語.短語output relative to inputs意思是投入產出比率.2.本句中,what引導的是主語從句so that 引導的是目的狀語從句,第二個what引導的是賓語從句,做learn about的賓語.3.本句中,who 引導的是定語從句修飾researchs,該定語從句中又包含了一個由that引導的賓語從句做observe的賓語.