【正文】 。 污染對我們的生存造成一大威脅。Overwork　does　harm　to 　。三十二、Have　a　great　influence　on　~~~?。▽Α泻艽蟮挠绊懀├洌篠moking　has　a　great　influence　on　our　health.抽煙對我們的健康有很大的影響。二十九、Due　to/Owing　to/Thanks　to　+　N/Ving,　~~~?。ㄒ驗椤├洌篢hanks　 to　his　encouragement,　I　finally　realized　my　dream.因為他的鼓勵，我終于實現(xiàn)我的夢想。二十七、be　closely　 related　to　~~?。ㄅc……息息相關）例句：Taking　exercise　is　closely　related　 to　health.做運動與健康息息相關。二十五、Spare　no　effort 　to　+　V?。ú贿z余力的）例句：We　should　spare　no　effort　to　beautify　our　 environment.我們應該不遺余力的美化我們的環(huán)境。）例句：It　pays　to　help　others.幫助別人是值得的。例句：Since　he　went　to　senior　high　school,　he　has　 worked　very　hard.自從他上高中，他一直很用功。二十一、For　the　past+　時間，S　+　現(xiàn)在完成式……（過去……年來，……一直……）例句：For　the　past　two　years,　I　have　been　busy　preparing　for 　the　examination.過去兩年來，我一直忙著準備考試。二十、That　is　the　reason　why　~~~　（那就是……的原因）例句：Summer　is　sultry.　That　is　the　reason　why　I　don’t　like　it.夏天很燠熱。十八、be　+　forced/pelled/obliged　+　to　+　V?。ú坏貌弧├洌篠ince　the　examination　is　around　the　corner,　I　am　pelled　to　give　 up　doing　sports.既然考試迫在眉睫，我不得不放棄做運動。十六、Those　who　~~~ ?。ā娜恕├洌篢hose　who　violate　traffic　regulations　should　be　 punished.違反交通規(guī)定的人應該受處罰。十四、On　no　account　can　we+　V　~~~　（我們絕對不能……）例句：On　no　account　can　we　ignore　the　value　of　knowledge.我們絕對不能忽略知識的價值。 借著做運動，我們能夠始終保持健康。The　more　books　we 　read,　the　more　learned　we　bee.我們書讀愈多，我們愈有學問。十、Adj + as + Subject（主詞）+ be, S + V~~~ （雖然……）例句：Rich as our country is, the qualities of our living are by no means satisfactory. {by no means = in no way = on no account 一點也不}雖然我們的國家富有，我們的生活品質絕對令人不滿意。八、The reason why + 句子 ~~~ is that + 句子 （……的原因是……）例句：The reason why we have to grow trees is that they can provide us with fresh air./ The reason why we have to grow trees is that they can supply fresh air for us.我們必須種樹的原因是它們能供應我們新鮮的空氣。六、There is no doubt that + 句子~~ （毫無疑問的……）例句：There is no doubt that our educational system leaves something to be desired.毫無疑問的我們的教育制度令人不滿意。四、There is no denying that + S + V ……（不可否認的……）例句：There is no denying that the qualities of our living have gone from bad to worse.不可否認的，我們的生活品質已經(jīng)每況愈下。三、~~~ cannot emphasize the importance of ~~~ too much.（再怎么強調……的重要性也不為過。Mr. Chang is the kindest teacher that I have ever had.張老師是我曾經(jīng)遇到最仁慈的教師。s ______________, and at the same time, made great contributions to our national development.53. In my opinion, to solve this problem there might be two ways. One way to tackle this question is ______________. Another way that is worth adopting is ______________.54. As far as I am concerned, I trust the advantages mentioned above exceed the disadvantages.55. For me, ______________ is a glory and it is the most important thing I have to take into feasible consideration.56. As regards me, I tend to pick ______________, for ______________. What39。 30. Although it is affected by many factors, still there are certain ways that can make the situation better. The most import is ______________. Another way is ______________. Still another one is ______________.31. Many solutions are offered here, all of them make some sense, but none is adequate enough. The problem should be studied in depth.32. No easy method can be at hand to solve the problem of ______________. But the mon recognition of the importance of ______________ might be the first step on the right way.33. It is clear, therefore, that the task of ______________ demands great attention.34. We may have a long way to go before we reach the final goal. But once we are on the way, the chance to reach it is greater.35. Bu