高考英语阅读理解专项训练-科技类(5)
Kinsley said he hoped public health officials and researchers will look to see if having had children protects a woman from Alzheimers and other forms of age-related brain decline. When people think
Kinsley said he hoped public health officials and researchers will look to see if having had children protects a woman from Alzheimers and other forms of age-related brain decline.
When people think about pregnancy, they think about what happens to babies and the mother from the neck down, said Kinsley, who presented his findings to the annual meeting of the Society of Neuroscience in Orlando, Florida.
They do not realize that hormones are washing on the brain. If you look at female animals who have never gone through pregnancy, they act differently toward young. But if she goes through pregnancy, she will sacrifice her life for her infantthat is a great change in her behavior that showed in genetic alterations(改变) to the brain.
1. How do scientists know Motherhood may make women smarter?
A. Some researchers have told them.
B. Many women say so.
C. They know it by experimenting on rats.
D. They know it through their own experience.
2. What does the phrase litters of pups mean in the second paragraph?
A. Baby rats. B. Animals. C. Old rats. D. Grown-up rats.
3. What can protect the brain of a woman according to the passage?
A. Estrogen. B. The hormones of pregnancy.
C. More exercise. D. Taking care of children.
4. Its rat data but humans are mammals just like these animals are mammals. What does the sentence suggest?
A. The experiments on the rats have nothing to do with humans.
B. The experiments on the rats are very important for animals.
C. The experiments on the rats are much the same on humans.
D. The experiments on the rats are much the same on other animals.
5. Which title is the best for this passage?
A. Do You Want to Be Smarter?
B. Motherhood Makes Women Smarter
C. Mysterious Hormones
D. An Important Study
【答案解析】
本文介绍了一个观点：母性特点能使妇女变得更加聪明灵敏。
1. C。细节题。根据Tests on rats show 可知科学家是通过做老鼠实验得出这个结论的。
2. A。词义猜测题。后面的对比who have no babies，实际上提供了一个相反的情况，所以我们可以推测those who raise two or more litters of pups中的litters of pups指的是刚出生不久的小老鼠。
3. B。细节题。根据文章第 3 段中的 the hormones of pregnancy(怀孕) are protecting the brain可得出答案。
4. C。句意理解题。科学家通过用老鼠做实验来说明人的问题。因为人和老鼠都属于哺乳动物，很多生理机能都相同。
5. B。主旨题。短文第 1 句 Motherhood may make women smarter 是主题句，据此我们可以得出答案。
(5)
To get cash out in the 21st century, you wont need a bank card, a PIN(个人识别编号) or even have to move a finger. You will simply have to look the cash machine straight in the eye, declares National Cash Registers, a multinational company that makes automated teller machines, or ATMs. NCR has shown its first example machine that is believed to be the future of banking. Instead of asking you for your PIN on a screen, the Super Teller-Stella for short, asks you orally through a loudspeaker to look straight ahead while an infrared camera turns to your head, then your eye, and finally takes an infrared photograph of your iris(虹膜). For identification(识别) purposes, an iris picture is better than a fingerprint, with around 256 noticeable characteristics compared with 40 for fingerprints. This means that the chances of someone else being recognized in your place is about 1 in 1020. Once youve been identified, Stella greets you by name and says: Would you like cash or a statement? An infrared port allows the machine to send a bank statement straight to your pocket computer.(责任编辑：www.360gaokao.com)
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