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问题 单项选择题 B1型题

我国制定的六种毒物的生物限值，其中哪项是甲苯的生物监测指标（）。

A.尿中镉

B.尿中三氯乙酸

C.尿中甲基马尿酸

D.尿中马尿酸

E.血中铅

答案

参考答案：D

解析：1.尿中马尿酸是毒物甲苯的代谢产物。2.铅进入体内后的存在成分是血铅和尿铅，但后者的浓度受许多因素影响，有时不能准确反映机体内的剂量。血铅是毒物铅的毒物原形，因此，血铅作为优先选择的生物监测指标。3.尿中三氯乙酸是毒物三氯乙烯的代谢产物。

阅读理解
Abby, Steven, Jonathan, 和 Tina都想去电影院看电影。阅读下面的电影介绍（A、B、C和D），选出最适合他们的电影。
小题1:Abbyis 8 years old and shows great interest in cartoon films.
小题2:Steven is going through a difficult time in his life and needs a film to inspire him.
小题3:Jonathan is a college graduate and prefers science-fiction（科幻）films.
小题4:Tina hopes to enjoy an adventurous and thrilling film this weekend.
A 
Charlotte’s Web
A live-action/ computer-animated（电脑动画）feature film, based on the popular book with the same name by E.B. White. Fern is one of the only two living beings who sees that Wilbur is a special animal as she raises him into a terrific and bright pig. As Wilbur moves into a new barn （畜棚）, he begins a second deep friendship with a spider named Charlotte and their bond inspires the animals around them to come together as a family.
B
Babel
Richard and Susan are a couple from California who are vacationing in Morocco while their two children are at home with their Mexican housekeeper, Amelia. Meanwhile, a local young man, shot at a tour bus and hit Susan in the shoulder, causing her severe injury.  Richard calls home to tell Amelia of the situation, who shortly leaves for Mexico to attend her son’s wedding along with their children. Disaster thus multiplies (增加), with the situation in Morocco owing to terrorists in the media, Amelia meets with trouble at the Mexican border when she returns.
C
Children of Men
Set in 2027, when no child has been born for 18 years and science is at loss to explain the reason, African and East European societies break down and their decreasing populations migrate to England and other wealthy nations. In a climate of violence, a London peace activist joins forces with his revolutionary ex-wife Julian in order to save mankind by protecting a woman who has mysteriously became pregnant(怀孕).
D
The Pursuit of Happiness
Chris Gardner is a bright and talented, but marginally （在边缘）employed salesman. Struggling to make ends meet, Gardner finds himself and his five-year-old son evicted（逐出）their San Francisco apartment with nowhere to go. He and his son endure many hardships, including living in shelters, dreaming of a better life for the two of them. Gardner finally becomes successful.
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单项选择题

外交部部长杨洁篪就中美关系答记者问时说：“我既喜欢油画，也喜欢中国的水墨画，但是如果有人用油画的标准来欣赏中国的水墨画，那恐怕就要出错。”用油画的标准来欣赏中国的水墨画，之所以会出错，这是因为（）

A.不同的人对同一事物的反映是不同的

B.实践才是检验认识真理性的唯一标准

C.事物总是一分为二的

D.矛盾具有特殊性
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