Question

8．[1]A new study has found evidence of aggressive behaVior in children who drink four or more servings of soft drinks every day．
[2]The mothers of 3，000 five-year-olds took part in the study．They were asked to keep a record of how many servings of soft drinks their children drank over a two-month period and keeprecords of howthey behaved．The researchers found that 43 percent of the boys and girls drank at least one daily serving of soda．Four percent of the youngsters had four or more sodas to drink every day．
[3]Children who drank the most soda were more than two times hkely to show signs of aggression．"For the children who consumed four or more  soft drinks per day，we see an association between aggressive behaviors，attention problems and withdrawn behaviors．"Shakira Suglia says．The aggressive behaviors included destroying possessions belonging to others，taking part in fights and physically attacking people．
[4]Shakira says the researchers identiffed the link after they considered the factors like the child's age and sex．They also considered     ，such as whether the boys and girls were eating sweets or given fruit drinks on a normal day．In addition，the researchers examined parenting styles and other social conditions that might be taking place in the home．
[5]It is not quite clear why young children who drink a lot of soda have behavior pmblems．However，a substance oftell found in soft drinks is caffeine，which helps to make people feel energetic．Doctor Suglia suggests that caffeine could be causing the children to be more aggressive．
[6]The research is part of a larger study called the Fragile Families and Child Welibeing Study．It follows 5，000 poor mothers and their children in 20 American cities．

66．What is the main idea of the text？（no more than 10 words）Soft drinks could cause aggressive behavior in children．
67．What does the underlined word"they''in Paragraph 2 probably refer to？The children/Their children/The mothers'children
68．List three aggressive behaviors according to the text．（no more than 10 words）
①destroying others'possessions；②taking part in fights；③physically attacking people．
69．Fill in the blank in Paragraph 4 with proper words．（no more than 3 words）other possible influences（factors）/other factors（influences）
70．Complete the following statement with one word from Paragraph 5．
    People will often becomeenergetic/aggressive when they have some coffee，in which caffeine is the major chemical．

Answer 1

分析 本文主要公布了一項新的調查結果，即關于孩子的攻擊性行為與他們喝的飲料有關，每天喝四杯或以上軟飲料的孩子在行為上容易表現(xiàn)得更具攻擊性；文中還介紹了研究人員發(fā)現(xiàn)造成這種狀況的原因是由于軟飲料中含有的咖啡因會讓人精力旺盛，從而讓兒童產生了好斗的行為．

解答 答案：
66．Soft drinks could cause aggressive behavior in children．
主旨大意題   根據(jù)第一段中的第一句"A new study has found evidence of aggressive behavior in children who drink four or more servings of soft drinks every day（一項新的調查研究表明，每天喝四杯或以上軟飲料的孩子在行為上容易表現(xiàn)得更具攻擊性）以及下文詳細介紹了調查的情況可知，本文旨在說明：軟飲料可能會造成孩子好斗的行為，故答案為：Soft drinks could cause aggressive behavior in children
67．The children/Their children/The mothers'children．
細節(jié)推理題     根據(jù)第二段中的"The mothers of…their children drank over a two-month period and keeprecords of howthey behaved"可知，參與調查的母親要記錄孩子在兩個月期間喝過的飲料的數(shù)量，以及記錄孩子們的行為，由此可知they指代"孩子們"；故答案為The children； Their children； The mothers'children．
68．①destroying others'possessions；②taking part in fights；③physically attacking people．
細節(jié)理解題   根據(jù)第三段中的"The aggressive behaviors included destroying possessions belonging to others，taking part in fights and physically attacking people．"可知，孩子們的攻擊性行為包括破壞屬于他人的財產，參與打架和對他人進行人身攻擊；故答案為：①destroying others'possessions；②taking part in fights；③physically attacking people．
69．other possible influences（factors）/other factors（influences）
細節(jié)推理題     根據(jù)第四段中的"Shakira says the researchers identiffed the link after they considered the factors like the child's age and sex．They also considered…"可知，研究人員在考慮到了孩子們的年齡、性別這樣的因素之后，他們應該還考慮到了像"such as whether the boys and girls were eating sweets or given fruit drinks on a normal day．In addition，the researchers examined parenting styles and other social conditions that might be taking place in the home．如孩子們平時是否吃甜食或喝果汁飲料．此外，研究人員還調查了父母教育子女的方式以及家庭中可能出現(xiàn)的社會因素．"等一些其他的因素，故答案為：other possible influences（factors）/other factors（influences）
70．energetic/aggressive
 細節(jié)理解題     根據(jù)第五段中的"a substance oftell found…make people feel energetic．Doctor Suglia suggests that caffeine could be causing the children to be more aggressive．"可知，咖啡因會使人精力充沛，也可能使孩子更具有攻擊性；故答案為：energetic/aggressive．

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