大学英语习题,请英语达人求助Ⅲ．标出主题句(15 points,5 points each)16.Choose the best topic sentence from the group below by writing A,B,C or D.A.Alcohol numbs（使麻木）the areas of the brain responsible for mood control.B.Alc

大学英语习题,请英语达人求助Ⅲ．标出主题句(15 points,5 points each)16.Choose the best topic sentence from the group below by writing A,B,C or D.A.Alcohol numbs（使麻木）the areas of the brain responsible for mood control.B.Alc
大学英语习题,请英语达人求助
Ⅲ．标出主题句(15 points,5 points each)
16.Choose the best topic sentence from the group below by writing A,B,C or D.A.Alcohol numbs（使麻木）the areas of the brain responsible for mood control.B.Alcohol often triggers（引起）feelings of confusion,sadness and so on.C.There is indeed a relationship between alcohol and depression.D.Many alcoholics have a difficult time living on their own.17.Read the following paragraph and write the topic sentence on the Answer Sheet.Crying has also served other social purposes.Rousseau wrote in his “Confessions” that while he considered tears the most eloquent testimony（有力证据）of love,he also just liked to cry over nothing.As the story of the wrapped onion suggests,crying can be used to manipulate（影响）the emotions of others.Notions of manipulative crying endure（持续）to this ay.“When a woman cries,” a writer named Angela Epstein declared in September,in an article in The Daily Mail,“she’s on her way to getting what she wants.” 18.Read the following paragraph carefully and choose the best topic sentence from the four possible answers that follow the paragraph by writing A,B,C or D.Data from both Russia and the United States show Arctic sea ice extended to about 4.2 million square miles in June,the lowest ice coverage recorded for that month in the satellite data record,which began in 1979.If the melting trend continues,sea ice levels could fall by September to less than l.6 million square miles,the lowest recorded in 2007.The fast pace of the melting could mean that the North Pole could be ice-free during the summer within just a few decades,far sooner than previously estimated.Arctic waterways（航道）typically choked（堵塞）with ice are now opening up.A.Sea ice in the Arcticis in rapid retreat（消退）．B.Melting ice may clear new waterways in theArctic.C.Scientists fromRussiaand theU.S.work together in theArctic.D.Rapid retreat of ice in theArcticis harmful.

大学英语习题,请英语达人求助Ⅲ．标出主题句(15 points,5 points each)16.Choose the best topic sentence from the group below by writing A,B,C or D.A.Alcohol numbs（使麻木）the areas of the brain responsible for mood control.B.Alc
16.B
17.Crying affects human beings not only by serving other social purposes,but also by manipulating their emotions of others.
18.B

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