07年职称英语考试全真模拟试题卫生类B级一(4)

第3篇

in-line skating and injuries

Increasing number of children are taking up in-line skating，and it is those new skaters who are most at risk for injuries，according to a statement from an American research institute．
Some 17.7 million people younger than age 18 participated in the sport in the US in 1996， 
a 24％ increase over the previous year．
Also in 1996，in-line skating injuries sent 76，000 skaters under the age of 21 to the emergency room．Inexperienced skaters accounted for 14％ of all injuries requiring treatment．
The most common reasons for injuries were losing one’s balance due to road debris，being unable to stop，out-of-control speeding，or falls while doing a trick．
One third of skating injuries are to the wrist，and two thirds of wrist injuries are fractures．Wearing wrist guards could reduce the number of these injuries by an estimated 87％，according to the AAP．
Likewise，elbow pads could reduce elbow injuries by 82％，and knee pads could reduce the number of knee injuries by 32％，advise the experts．
Helmet used by young skaters is required by law in New York and Oregon，and the research institute also recommends that young skaters wear a bicycle helmet or a similar approved sports helmet．
The age at which children are ready to use in．1ine skates depends upon a number of conditions，including the child’S foot size and body strength，general athletic ability and muscle coordination，and the ability to judge traffic and pay attention to the condition of the skating surface ahead，the expels advise．
The most dangerous skating practice，called‘truck—surfing’，involves skating while holding onto a moving vehicle．Few skaters have fatal injuries, but 31 out of 36 deaths reported since 1992 involved being knocked down by a motor vehicle，according to data from the US Consumer Product Safety Commission．

词汇：
inexperienced /adj．缺乏经
helmet／n．防护帽，帽盔验的，不熟练的
skate／n．冰鞋，四轮溜冰鞋，旱冰鞋
debris／n．垃圾，碎片
athletic／adj．运动的，体育的
fracture／n．骨折，破裂，折断
muscle／n．肌肉
pad／n．垫，衬垫，护垫

1．How many people took part in in-line skating in the US in 1995?
A)About 17．7 million．
B)More than 17．7 million．
C) Fewer than 17．7 million．
D)Exactly 17．7 million．

2.Which of the following is NOT mentioned as one of the most common reasons for injuries?
A)Skating with wrist and elbow wounds．
B)Losing one’s balance due to road debris．
C)Being unable to stop due to high speed．
D)Falling down when doing a trick．

3．What are the things experts might NOT advise youngsters to wear?
A)Wrist guards．
B)Elbow and knee pads．
C)Helmets of some kind．
D)Boots and thick clothes．

4．“Truck-surfing”means
A)skating inside a truck while it is moving．
B)skating while holding onto a moving truck．
C)skating at a speed faster than a truck．
D)skating at the end of a moving truck．

5．According to the last paragraph，bumping with a motor vehicle took up deaths reported since 1 992．
A)over 80％
B)below 80％
C)about 31％
D)about 36％

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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.