阅读理解。 [1] Teenagers who spend hours in front of the television may have a poorer diet, a new study shows. It is not clear, researchers say, whether televis-高中英语-n多题

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阅读理解。

     [1] Teenagers who spend hours in front of the television may have a poorer diet, a new study shows. It is
not clear, researchers say, whether television itself is the reason, but it is possible that things like snacking in
front of the TV or seeing ads for junk food influence young people's diets.
    [2] The study included nearly 1,400 high school students. It showed that those who watched TV for five
hours or more every day had less healthy diets than other students five years later. As a group, they ate fewer
fruits and vegetables, but ate more fast food, snack products and fried foods.
     [3]"We're not able to tell why," lead researcher Dr. Daheia J. Barr-Anderson said."But we have some
speculations(推测)." People who spend a lot of time in front of the TV, especially teenagers, may have more
snack. It may influence their long-term diet quality. It's also possible that TV ads for fast food, sweets and
snacks make teenagers eat more of those foods. TV time might also replace exercise time for some kids.
     [4] The researchers found a clear relationship between TV time during high school and diet quality of the
young. The heaviest TV viewers five years later, and those who'd watched fewer than two hours every day
had the most fruits and vegetables.
     [5] According to Barr-Anderson, the findings support experts' advice that children should watch no more
than two hours of television every day."Parents should cut the TV time." Barr-Anderson said. She advised that
parents set a good example by eating right, being physically active and controlling their own TV time.

1. Complete the following sentence according to the underlined one in Paragraph 3.(no more than 5 words)
Some children may spend much time watching TV instead of _____.
2. What does" it" refer to in Paragraph 1 line2 mean? (no more than 3 words)
__________________________________________________________________________________
3. According to Barr-Anderson, what should parents do to set a good example for their children?
(no more than 15 words)
_________________________________________________________________________________
4. Fill in the blank in Paragraph 4 with proper words. (no more than 6 words)
_________________________________________________________________________________
5. What is the passage mainly about? (no more than 12 words)
_________________________________________________________________________________

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