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UNIT2主题训练健康的生活方式、积极的生活态度
一、主题下的语篇训练
1.阅读理解
(2023,湖南长郡中学二换)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 ()a stress indicator,was reduced by 17 percent.Average serum
insulin(I血清胰岛素)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。文章主要介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 reade