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①Do you know your small intestine (小腸) is nearly six meters long?Do you know there are many muscles(肌肉) in your face?How about the fact that our hearts beat over 100,000 times each day?Your body is really amazing!
   ②The human body is a complex(復(fù)雜)machine.The body has many different parts that work together to allow us to breathe,move,see,talk and eat.Most of the time we don't know what's happening in our bodies;usually it's only when we get sick or feel the pain that we notice it.
   ③Many people don't care for their complex machines.Bad habits like smoking,drinking and eating junk food can be bad for our bodies.Stress can also cause health problems.People who worry a lot or have busy jobs often don't get enough sleep,or don't eat properly.We can also hurt our bodies when we play sports or get into accidents.It's true that many people go to hospital because of serious illnesses,but far more people end up there simply because they aren't careful.
   ④Like machines,different body parts sometimes wear down from old age.They are less able to repair themselves.People over the age of 65 are more likely to fall and hurt themselves.As the population of elderly people increases,gerontology (老年病學(xué)) has become one of the fastest growing areas of medicine.There are many treatments available to help older people now.Older people can lead happier and more comfortable lives.

(1)The writer organizes Paragraph 1 by
D
D

A.explaining some problems.
B.comparing some facts.
C.giving some facts about himself.
D.a(chǎn)sking readers some questions.
(2)To know about the causes of health problems,we can read
C
C
.
A.Paragraph 1
B.Paragraph 2
C.Paragraph 3
D.Paragraph 4
(3)What can we learn from the passage?
A
A

A.We can know the conditions of our body early.
B.Gerontology receives increasing attention nowadays.
C.Serious illnesses are the main reason why people go to hospital.
D.Our small intestine is only two meters tong.
(4)What's the best title for the passage?
A
A

A.Our body machines.
B.How to look after our bodies.
C.How to care for older people
D.Our health problems.

【考點(diǎn)】說(shuō)明文;科普知識(shí)
【答案】D;C;A;A
【解答】
【點(diǎn)評(píng)】
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發(fā)布:2024/5/27 14:0:0組卷:5引用:1難度:0.5
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