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Unit 3 健康/ 积极的生活方式/ 态度
Unit 3 健康 / 积极的生活方式 / 态度
序号 标题 题型 体裁 词数 难度
A 不同的蛋白质对人体健康的影响 阅读理解 说明文 301 ★★★★☆
B 如何缓解生活压力 阅读理解七选五 说明文 306 ★★★☆☆
C 凯亚通过努力成功减重的故事 完形填空 记叙文 264 ★★★★☆
D 极端减肥方式的危害 语法填空 说明文 189 ★★★☆☆
E 平凡也是一种美 读后续写 记叙文 319 ★★★★☆
A (限时:8 min)
阅读下面短文,从短文后各题所给的四个选项(A、B、C 和 D)中,选出最佳选项。
Diets high in protein, particularly protein from plants, have been linked to lower risks of
developing diseases like diabetes, heart disease and stroke, while regular consumption of red meat and
high intake of animal protein have been linked to several health problems.
But data on the association between different types of proteins and health are conflicting. So
researchers based in Iran and the USA set out to measure the potential relation between intake of total,
animal, and plant protein and the risk of death from all causes, cardiovascular(心血管的) disease,
and cancer.
They reviewed the results of 32 studies that reported risk estimates for all-cause, cardiovascular,
and cancer mortality(死亡率) in adults 19 years of age or older. During the follow-up period of up to
32 years, 113,039 deaths occurred among 715,128 participants. The results show that high intake of
total protein was associated with a lower risk of all-cause mortality. Intake of plant protein was
associated with an 8% lower risk of all-cause mortality and a 12% lower risk of cardiovascular disease
mortality. Intake of animal protein was not significantly associated with risk of cardiovascular disease
and cancer mortality.
Possible reasons for the beneficial effects of plant proteins include their association with favorable
changes in blood pressure, cholesterol and blood sugar levels, which might help to lower the risk of
conditions like heart disease, say the researchers. They say these findings “ support current dietary
recommendations to the general population”.
Their study excluded differences in the way studies assessed diet and the possibility that some
effects may have been due to unmeasured factors. What s more, as most of the included studies were
from Western nations, the findings may not be applicable to other countries.
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