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consumed four or more  soft drinks per day，we see an association between aggressive behaviors，attention problems and withdrawn behaviors．"Shakira Suglia says．The aggressive behaviors included destroying possessions belonging to others，taking part in fights and physically attacking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 本文主要公布了一项新的调查结果，即关于孩子的攻击性行为与他们喝的饮料有关，每天喝四杯或以上软饮料的孩子在行为上容易表现得更具攻击性；文中还介绍了研究人员发现造成这种状况的原因是由于软饮料中含有的咖啡因会让人精力旺盛，从而让儿童产生了好斗的行为．

解答 答案：
66．Soft drinks could cause aggressive behavior in children．
主旨大意题   根据第一段中的第一句"A new study has found evidence of aggressive behavior in children who drink four or more servings of soft drinks every day（一项新的调查研究表明，每天喝四杯或以上软饮料的孩子在行为上容易表现得更具攻击性）以及下文详细介绍了调查的情况可知，本文旨在说明：软饮料可能会造成孩子好斗的行为，故答案为：Soft drinks could cause aggressive behavior in children
67．The children/Their children/The mothers'children．
细节推理题     根据第二段中的"The mothers of…their children drank over a two-month period and keeprecords of howthey behaved"可知，参与调查的母亲要记录孩子在两个月期间喝过的饮料的数量，以及记录孩子们的行为，由此可知they指代"孩子们"；故答案为The children； Their children； The mothers'children．
68．①destroying others'possessions；②taking part in fights；③physically attacking people．
细节理解题   根据第三段中的"The aggressive behaviors included destroying possessions belonging to others，taking part in fights and physically attacking people．"可知，孩子们的攻击性行为包括破坏属于他人的财产，参与打架和对他人进行人身攻击；故答案为：①destroying others'possessions；②taking part in fights；③physically attacking people．
69．other possible influences（factors）/other factors（influences）
细节推理题     根据第四段中的"Shakira says the researchers identiffed the link after they considered the factors like the child's age and sex．They also considered…"可知，研究人员在考虑到了孩子们的年龄、性别这样的因素之后，他们应该还考虑到了像"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．如孩子们平时是否吃甜食或喝果汁饮料．此外，研究人员还调查了父母教育子女的方式以及家庭中可能出现的社会因素．"等一些其他的因素，故答案为：other possible influences（factors）/other factors（influences）
70．energetic/aggressive
 细节理解题     根据第五段中的"a substance oftell found…make people feel energetic．Doctor Suglia suggests that caffeine could be causing the children to be more aggressive．"可知，咖啡因会使人精力充沛，也可能使孩子更具有攻击性；故答案为：energetic/aggressive．

点评 本题主要考查了学生综合运用英语的能力，尤其是运用英语进行的概括能力；做本题时，首先要快速浏览全文，把握文章主旨大意；其次，根据问题到相应的段落去寻找答案，或归纳概括出主要的内容；答题的要求是：回答要准确简洁，并且不能超出题目要求的字数．