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diabetes (糖尿病). But researchers now know that whether or not you have diabetes, eating too much can
make your blood glucose go up and down and can increase the danger of heart disease. It may be even bad for
your memory.
This realization has greatly changed the way we understand food and health. Luckily, none of these things
happen ovemight, and even small changes in the food you eat every day can start you on a healthier path.
When you are hungry, do you reach for a chocolate cake or a box of biscuits? These "fast-acting" foods
are handy and they take no time at all to dissolve (溶化) in your stomach. Then they race into your blood,
running through your body with blood glucose. The trouble is the comfort doesn't last long, leaving you feeling
hungry again. As a result, your blood glucose will run out of control.
It's no wonder most of us have less energy than we'd like and feel tired too often. It's also no wonder that
most of us weigh more than we want to. Yes, eating too much and exercising too liLtle are main reasons, and
ever changing blood glucose will send you shopping for bigger jeans.
For most of us even when our blood glucose goes up and down after a large meal, our body can bring it
back to normal in a few hours. Only people with untreated diabetes have blood glucose levels that stay quite
high most of the time.
For a long time, doctors thought that only these people needed to take care of their blood glucose levels.
Now, we know that even in healthy people, high levels after meals can damage (损坏) the body, even if it
never causes diabetes.
B. It stays on high levels.
C. It goes up and down.
D. It comes back to normal.
B. He thinks they are easy to get.
C. He thinks they make us healthy.
D. He thinks they damage our body.
B. Have proper food and exercise every day.
C. Eat certain kind of medicine before meals.
D. Ask the doctor for help from time to time.
bigger than most men.
Life was not easy for Mr Black. He could seldom find clothes big enough. His feet were too large for
most shoes.
In buses, trains and planes, he could not stand up straight. The roofs (顶) were too low.
In cars, he could not move his legs. There was not enough room. At home, his bed was too short. Chairs
were always too small.
In fact, wherever he went and whatever he did, Mr Black had problems because of his size.
These problems were so bad that Mr Black stayed at home most of the time. Life was easier at home.
Then one day, a friend said,"You spend too much time at home. You should go out more. There's a good
movie at the theatre."
"I can't sit in theatre seats," Mr Black said. "I'm too big."
"That is no problem," his friend said. "I'll buy you two tickets. You can get them at the theatre when you
go."
The friend sent money to the theatre for two tickets. When the day came, Mr Black put on his best clothes
and went to the theatre.
"You have two tickets for me," he said to the woman in the ticket office."My name is Black."
"Oh, yes, Mr Black," the woman said. "Here you are, seats G4 and PI2. I'm sorry, you and your friend
can't sit together because we are very full this evening."
Poor Mr Black. He smiled sadly, walked out of the theatre and went home.
B. much bigger than most men
C. a giant
D. as big as most men
B. he was so fat
C. he was so big
D. he was so small
B. He saw doctors
C. He told his friends
D. He went on holidays
B. He sent him for a holiday
C. He gave him some money
D. He bought him two tickets for a movie
B. The woman in the ticket office was rude
C. Mr Black's friend was rude
D. Mr Black was too big to sit in only one seat
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