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英 语 (A )
1.答题前,先将自己的姓名、准考证号填写在试题卷和答题卡上,并将准考证号条形码粘贴在答题卡上的指定位置。用2B 铅笔将答题卡上试卷类型A 后的方框涂黑。
第一部分 听力(共两节,满分 30 分)(略) 第二部分 阅读理解(共两节,满分40分) 第一节(共15小题:每小题2分,满分30分)
阅读下列短文,从每题所给的四个选项(A 、B 、C 和D )中选出最佳选项,并在答题卡上将该项涂黑。 A
It has long been thought that elephants rely on their large ears and bathing in rivers to stay cool in hot climates. New research ,
however ,has showed that the world's largest land animals have a secret trick of controlling their body temperatures.
Scientists have long been puzzled by temperature regulation(调节)in elephants. Generally ,animals with large bodies tend to hold more heat because ,compared to their size ,they have a small surface area for heat to escape from. Elephants ,with their heavy-weight frames ,would appear to be at a disadvantage in the heat of their African and Asian habitats ,especially because they have thick fur to protect them from bushes and trees.
Scientists thought that these creatures ,which weigh up to 13 tons when fully-grown,grow large ears to help them stay cool. The skin on the ears is thinner ,so blood which flows into them cools down more easily. But findings by researchers at two universities in Vienna have showed that elephants are also able to cool down by increasing the blood flow to skin patches(斑) in other parts of their bodies.
The researchers studied six African elephants at Vienna Zoo as they moved between outdoor and indoor environments to see how the temperature on their skin surface would change. They found up to 15 “hot spots” all over an elephant's body surface,in addition to large patches on the ears. The study shows how these patches expand as the air temperature increases and more blood flows nearer to the skin surface. Other experiments show that elephants in the wild use the same “windows” to control their body temperature.
Elephants have two additional ways to stay cool: flapping(拍打)the ears and bathing. Together with these tricks ,the skin hot spots allow the animals to keep their body temperature always at about
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36 degrees —one degree less than humans'.
21. What can we know about the elephants? A. They have thick fur to protect them.
B. They live in cool areas in Africa and Asia.
C. They can weigh up to 3 tons when fully-grown.
D. They are afraid of water and rivers.
22. The function of the thinner skin on elephants' ears is to________.
A. control their body temperature
B. help hold more heat
C. drive away insects
D. keep sensitive hearing 23. The new research________. A. studied six Asian elephants
B. studied elephants in a zoo and in the wild
C. aimed to discover the elephants' disadvantages
D. proved that scientists' earlier beliefs were totally true
MySpace ,the social networking website ,is different from other websites which only provide stories about other people. MySpace is a place that allows you to broadcast your own stories and personal information to as many people as you like. Started two years ago ,it is a big source of information for and about American kids. Teenagers and their parents feel very different about it. Teens are rushing to join the site ,not sharing their parents’ worries. It signals yet another generation gap in the digital era.
For teenagers ,it is reliable network to keep in touch with their friends. They will often list their surnames ,birthdays ,
after-school jobs ,school clubs ,hobbies and other personal information.
“MySpace is an easy way to reach just about everyone. I don’t have all the phone numbers of my acquaintances. But if I want to get in touch with one of them ,I could just leave them a message on MySpace ,”said Abby Van Wassen. She is a 16-year-old student at Woodland Hills High of Pittsburgh ,Pennsylvania.
Parents on the other hand are seriously concerned about the security problems of MySpace. “Every time we hold a parents meeting,the first question is always about MySpace ,”said Kent Gates,who travels the country doing Internet safety seminars(研讨会).The National Centre for Missing and Exploited Children has received at least 288 MySpace - related complaints,according to Mary Beth Buchanan ,a lawyer in Pittsburgh.
“Your profile on MySpace shows all your personal information to anyone on the Web. And MySpace even lists this information by birthplace and age. It’s like a free checklist for troublemakers and it endangers children ,” Buchanan said.
24. From the passage, we can learn that MySpace ________. A. brings about the generation gap
B. is very carefu l about people’s privacy
C. encourages you to list your personal information
D. lists the telephone numbers of your friends 25.Why are some parents against MySpace?
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