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. “It’s 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。 www.kuaixue5.com
(5)
To get cash out in the 21st century, you won’t 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 you’ve 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.
1. What does this passage mainly talk about?
A. A new medical instrument
B. A new type of talking machine.
C. A new type of cash machine.
D. National Cash Register
2. What is this new machine called?
A. StellaB. ATMC. PIND. NCR
3. When you want to get cash out in the 21st century, you will _______.
A. need a bank cardB. have to put in your PIN
C. move your fingerD. just look directly at the teller machine
【答案解析】
本文介绍了自动取款机的新型的识别储户方法。
1. C。主旨题。阅读全文可知本文介绍的是新型取款机的设计原理及工作方式，故选 C。
2. A。细节题。根据 Instead of asking you for your PIN on a screen, the Super Teller-Stella for short, asks you orally… 及 Once you’ve been identified, Stella greets you by name and says… 可知答案为 A。
3. D。细节题。根据 To get cash out in the 21st century, you won’t need a bank card, a PIN or even have to move a finger. You will simply have to look the cash machine straight in the eye,…可知仅仅径直看着取款机就可以了，故选答案 D。
(6)
Weather changes when the temperature and the amount of water in the atmosphere change. We can see and feel water coming from the atmosphere when we have rain. But the water must somehow get back to the atmosphere. Meteorologists call this the water cycle.
There are many stages in the water cycle. Rain falls when water vapour in clouds condenses(凝结). Drops of water form and fall to the ground. The water soaks into the ground and feeds streams and rivers. A lot of rain falls into the sea. The heat of the sun evaporates some of the water in the ground and in the rivers, lakes, and the sea. It changes the liquid water into water vapour. The vapour rises onto the air. Water vapour is normally invisible. On a very damp or humid day, however, you can sometimes see water vapour rising from a puddle(水坑) or pond in a mist(薄雾) above the water. Water vapour also gets into the air from living things. Trees and other plants take in water through their roots and give off water vapour from their leaves. People and land animals drink water and breathe out water vapour. In all these ways the water returns to the air. There it gathers to form clouds and condenses to form rain. The rain falls to earth, and the cycle starts again. It continues even if snow or hail(冰雹) fall instead because both eventually melt to form water. The amount of water vapour in the air depends on the temperature. The air is more moist(潮湿) in the tropics(热带) than in the cold polar regions.
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