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(2o23·湖南长郡中学二模Can snacking be a key element of a healthy lifestyle?
If your first response is"No !here's a chance to update your opinions.Some of
us were raised with the advice of"Never eat between meals".which can protect
our teeth from sweets.Yet there can be significant advantages of snacking on
healthy foods.Researchers have found that eating frequent mini-meals offers
health benefits.Dr.David Jenkins and colleagues at the University of Toronto have
reported some remarkable advantages.
In one study,participants were randomly divided into two groups and both
groups were given the same type and amount of food over a two-week
period.One group consumed three meals a day.For those having a
"Nibbling Diet",food was divided into 17 mini-meals a day.After two weeks,
the nibblers had reduced their blood cholesterol (levels by more than 15
percent..Cortisol(皮质醇),a stress indicator,was reduced by 17 percentAverage
serum insulin(血清岛素)levels of nibblers were reduced by28 percent..With less
insulin,the body is less likely to convert loads of calories into body fat
Also,you may think eating concentrated sources of fat or sugar (or both)will
pack the weight into your body.However,see below for some examples of healthy
snacks
Nuts are high in fat so keep portions moderate.
However,the fat comes with a wealth of minerals and protective
substances.For growing youngsters,high-energy adults,athletes and those who
have difficulty maintaining their weight,nuts are a great solution.
Dried fruits(raisins,currants,apricots)help you stock up on iron.If you tend
to feel cold in winter,keep raisins handy.When your blood sugar drops,you'll
have an instant remedy.Fresh fruit is also a great choice.
语篇解读:本文是一篇说明文。文章主要绍了一项新的研究发现。经常吃迷你餐对健康有
益并介绍了一些健康零食。
1.Why does the author propose a question at the beginning of the passage?
A.To raise the readers'awareness of refusing snacks.
B.To arouse the read