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职称英语真题《理工C》阅读判断真题精选
不少考生开始备考2017年职称英语考试，为了帮助大家更好地备考职称英语考试，以下是yjbys网小编整理的关于职称英语真题《理工C》阅读判断真题精选，供大家备考。
ADHD Linked to Air Pollutants
Children have an increased risk of attention problems, seen as early as grade school, if their morns inhaled (吸入) a certain type of air pollution when they were pregnant. That's the finding of a new study. Released when things aren't burned completely, this pollution is known as polycyclic aromatic hydrocarbons, or PAHs. The biggest sources of these PAHs: the burning of fossil fuels,wood and trash. Frederica Perera works at Columbia University's Mailman School of Public Health in New York City. She researches how exposure to things in the environment affects children's health. In a new study, she and her team studied the exposure to air pollution of 233 nonsmoking pregnant women in New York City. Because burning tobacco can spew (排放) PAHs into the air and lungs, Perera's team focused on nonsmokers. The researchers wanted to probe (探查) other sources of PAHs, ones that would have been hard for an individual to avoid.
The team started by testing the blood of each woman during pregnancy. The reason: Any PAHs in a woman's blood would also be available to the baby in her womb. Nine years later, the researchers investigated signs of attention problems in these children, now age 9. They asked each child's mother a series of questions. These included whether her child had problems doing things that needed sustained (长期的) mental effort, such as homework or games with friends. The scientists also asked if the kids had trouble following instructions or made frequent, careless mistakes. All of these can be symptoms of a disorder called Attention Deficit Hyperactivity Disorder, or ADHD. About one in 10 U.S. children has ADHD. Among the women studied, traffic and home heating were the primary sources of air pollution exposure, Perera and her team suspect.
Some of these women had low levels of PAHs in their blood. Others had high levels. Those with high levels were five times as likely to have children who showed attention problems by age 9. The new findings were published on November 5 in the journal PLOS ONE.
16. Perera and her team chose nonsmoking pregnant women all over America.
A. Right
B. Wrong
C. Not mentioned
17. The main purpose of the research was to find out how exposure to PAHs played a role in harming the subjects'physical health.
A. Right
B. Wrong
C. Not mentioned
18. Nonsmoking mothers were selected because the effect of smoking on PAHs was unclear.
A. Right
B. Wrong
C. Not mentioned
19. The blood of each woman was tested once a month during pregnancy.
A. Right
B. Wrong
D. Not mentioned
20. Kids with ADHD commonly fail in school.
A. Right
B. Wrong
C. Not mentioned
21. The women with high levels of PAHs in their blood were more likely to have kids with ADHD.
A. Right
B. Wrong
C. Not mentioned
22. Traffic and home heating were considered to be the biggest sources of PAHs for the subjects in the research.
A. Right
B. Wrong
C. Not mentioned
答案与解析
16.B。题干：Perera和她的团队挑选了来自全美国的不吸烟的妇女。利用题干关键词Perera和non—smokin9可以定位到文章第二段第三句，意为“她和她的团队研究了纽约市233名非吸烟的孕妇暴露在空气污染中的情况”，由此可知只是纽约市而非全美国，题干所述与原文信息不一致，故该题答案为8。
17.B。题干：研究的主要目的是发现暴露于PAHs对研究对象的身体健康如何造成伤害。利用题干关键词purpose of research和harm the physical health可以定位到文章第二段最后一句，意为“研究者想探查PAHs的其他来源”，由此可知题干所述与原文信息不一致，故该题答案为B。
18.B。题干：选择不吸烟的妈妈们是因为吸烟对于PAHs的影响还不清楚。利用题干关键词non—smoking mother和effect ofPAHd可以定位到文章第二段倒数第二句，指选择不吸烟的孕妇妈妈是“因为吸烟会导致环芳香烃(PAl-I)排入空气中或吸入肺中，所以她们的团队关注不吸烟者”，由此可知吸烟对于PAl-Is的影响是清楚的，所以题干所述与原文信息不一致，故该题答案为B。
19.C。题干：每个妇女的血液在怀孕期问每个月检测一次。利用题干关键词blood和once a month进行定位，发现没有相关信息，由此可知该题答案为C。
20.C。题干：患有ADHD的孩子通常在学校学业不好。利用题干关键词kinds withADHDs和school进行定位，发现没有相关信息，由此可知该题答案为C。
21.A。题干：血液中有较多PAHs的妇女所生的孩子更可能会患有ADHD。利用题干关键词levels ofPAHs和have kids with ADHD可以定位到最后一段的倒数第二句，意为“血液中含有较多PAHs的女性所生的孩子到9岁时，孩子出现注意力不集中问题的概率提高了五倍”，由此可知题干所述与原文信息一致，所以该题答案为A。
22.A。题干：对研究对象来说，交通和家庭采暖被认为是PAHs的最主要的来源。利用题干关键词traffic and home heating可以定位到最后一段的第一句，意为“在所研究的妇女中，交通和家庭采暖是主要的空气污染的来源”，由此可以推知交通和家庭采暖是PAHs的主要来源，所以该题答案为A。
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