7．Ali is from a Middle Eastern country．He now stays in the USA．He smokes a lot of cigarettes every day．He has smoked for nine years．Ali says，"I tried to quit （放棄） smoking in my hometown，but it was impossible．My parents smoke．My brothers smoke．All my friends smoke．At parties and at meetings，almost all the men smoke．Here in the United States，not as many people smoke．（31）B"
Many smokers are like Ali：they want to stop smoking．（32）DThey know it can cause cancer and heart disease．But it is difficult for them to give up smoking because cigarettes have a drug in them．The drug is nicotine．People who smoke a lot need nicotine．
（33）E The nicotine makes him sick．In a few days，the smoker's body is used to the nicotine，and he feels fine．Later，the smoker needs nicotine to keep feeling fine．Without nicotine，he feels bad．
 （34）AMany people who quit will soon smoke again．At a party or at work they will decide to smoke"just one"cigarette．Then they will smoke another cigarette，and another．Soon they become smokers again．（35）F     

A．It is very hard to quit smoking．
B．It will be easier to change the smoking habit here．
C．Thus nicotine makes smokers addicted to cigarettes．
D．The smokers know that smoking is bad for their health．
E．When a person first begins to smoke，he usually feels terrible．
F．Maybe there is only one easy way to quit smoking：never start．
G．But it is said that medicine is needed to stop them from smoking．

分析 本文敘述了吸煙的人成癮的原因以及吸煙的害處．香煙里有一種叫作尼古丁的毒．許多人剛開始吸煙，感到難受，過了一些日子他們就習慣了尼古丁．然后離不開它了．吸煙容易引起癌癥和心臟�。墙錈熀茈y，很多人戒了煙不久有吸起來了．

解答 31--35 BDEAF
31．B 考查上下文理解判斷能力．根據(jù)本段中I tried to quit smoking in my hometown，but it was impossible．和Here in the United States，not as many people smoke可知，Ali因為家鄉(xiāng)的人都吸煙，所以戒煙是不可能的，比較一下，在美國，吸煙的人沒那么多，空格處應是：這兒戒煙要容易．故選B．
32．D 考查上下文理解判斷能力．根據(jù)下文They know it can cause cancer and heart disease可知，他們知道吸煙能產(chǎn)生癌癥和心臟病，上文應是：吸煙的人知道吸煙有害健康．故選D．
33．E 考查上下文理解判斷能力．根據(jù)下文The nicotine makes him sick可知，尼古丁使人惡心，上文應是：第一次吸煙讓人感到難受．故選E．
34．A 考查上下文理解判斷能力．根據(jù)下文Many people who quit will soon smoke again可知，戒了煙的人不久很快又開始吸煙，上文應是：戒煙很難．故選A．
35．F 考查上下文理解判斷能力．根據(jù)前文Soon they become smokers again可知，他們成為煙民后，沒有有效的戒煙方法，下文應是：最好的方法就是一開始就不吸煙．故選F．

點評 七選五題型看似簡單，實際上有時完全作對并不容易，需要方法和分析能力及足夠的耐力，有必要進行專門練習．首先，快速瀏覽一遍七個備選答案，先確定哪個選項適合放在文章的什么位置．其次，快速瀏覽文章，確定文章體裁，抓住文章結(jié)構，分析篇章結(jié)構，找出各段的主題句或主旨大意．其三，注意各選項中出現(xiàn)的句子銜接手段，尋找句中銜接標志詞，七選五備選答案中有兩個多余的選項，會對文章中兩個空的選擇構成干擾，這時要特別細致地比對相似選項．最后，用代入法，檢查答案是否合理，將所有選擇答案放回空白處，通讀全文，檢查文章內(nèi)容是否語義連貫合理、緊扣主題，語篇結(jié)構是否通順連貫、具有一致性、合乎邏輯，寫作思路是否清晰明了，格式以及用語是否恰當貼切，從而判斷選擇的答案是否正確．

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