A)the parents—child relationship is more exclusive in modem societies．
B)a child more often grows up with his(her brothers or sisters in traditional societies．
C)mother brings up children with the help of her husband in traditional societies．
D)children in modem societies are more likely to develop mental illness in later years

4． Which of the following statements is NOT an argument against Bowlby,s theonr?
A)Many studies show that day care has a positive effect on children’S development．
B)The fact that there are so many nursery schools today shows that day care is safe．
C)The separation of young children from their parents is common in some traditional
societies．
D)Parentsfindtheimmediate effects ofearlyday caredifficultto dealwith．

 第五部分：补全短文（每题2分，共10分）
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Why do people shrink?


Did you ever see the movie Honey, I shrunk the kids? It's about a wacky dad (who's also a scientist) who accidentally shrinks his kids with his homemade miniaturizing invention. Oops! ____1____.
For older people, shrinking isn't that dramatic or sudden at all. It takes place over years and may add up to only one inch or so off of their adult height (maybe a little more, maybe less), and this kind of shrinking can't be magically reversed, although there are things that can be done to stop it or slow it down. ___2___.
There are a few reasons. As people get older, they generally lose some muscle and fat from their bodies as part of the natural aging process. Gravity (the force that keeps your feet on the ground) take hold, and the bones in the spine, called vertebrae, may break down or degenerate, and start to collapse into one another. ___3___. But perhaps the most common reason why some older people shrink is because of osteoporosis.
Osteoporosis occurs when too much spongy bone tissue (which is found inside of most bones) is broken down and not enough new bone material is made. ___4___. Bones become smaller and weaker and can easily break if someone with osteoporosis is injured. Older people --especially women, who generally have smaller and lighter bones to begin with -- are more likely to develop osteoporosis. As years go by, a person with osteoporosis shrinks a little bit.
Did you know that every day you do a shrinking act? You aren't as tall at the end of the day as you are at the beginning. That's because as the day goes on, water in the disks of the spine gets compressed (squeezed) due to gravity, making you just a tiny bit shorter. Don't worry, though. ___5___.

A. They end up pressing closer together, which makes a person lose a little height and become shorter.
B. Once you get a good night's rest, your body recovers, and the next morning, you're standing tall again.
C. Over time, bone is said to be lost because it's not being repl