Unit 2 Be sporty be healthy
A beginner's guide to exerci
You want to start doing exerci？Congratulations①！ You have just taken your first step towards a new and improved you!
Understanding the benefits of exerci
Most people assume② that regular exerci does wonders③ for the body and mind—but what exactly are its health benefits? To start with④，physical activity increas the efficiency of your heart and lungs⑤.During exerci，your heart and lungs must work harder.This extra effort makes them grow stronger over the long term⑥.It has also been proven that active people tend⑦ to have better immune⑧ systems and are at lower risk of dias⑨.【1】 Moreover⑩，exerci is good for your mental health.Working out can help you reduce⑪ stress and get over negative feelings.Some studies even show that exerci improves certain brain functions，meaning you could actually exerci your way t
o better performance at school！【2】
【1】 It has ...been 事实已经证明……， it 为形式主语，that从句是主语从句。
【2】Some studies even show that ...一些调查甚至表明爱人用英语怎么说……，that从句为宾语从句；为分词短语作状语。
Planning your exerci routine⑫
When you plan an exerci routine，the first thing to consider is what you expect to improve: heart and lung efficiency，muscle⑬ strength or flexibility. 【3】Aerobic activities，like jogging⑭，swimming and skiing⑮，develop your heart and lungs.Strength training，such as pullups⑯ and weightlifting，increas muscle strength and encourages bone⑰ development.Flexibility training，including gymnastics⑱ and tai chi，helps stretch⑲ your muscles and improve your body's range⑳ of movement.The types of exerci all play a role in a healthy routine.Above all科学计数法转换，choo activities you enjoy becau，in this way，you're more likely to stick with them.
【3】句中的不定式to consider 作定语，修饰the first thing; what you expect to improve 为表语从句。
Eating and drinking right
Like cars that run on petrol，your body burns carbohydrates for energy.Foods like noodles，rice，fruit and vegetables give your body plenty of carbohydrates to keep up your energy during a long workout.To help your muscles recover and repair themlves after exerci，you need to eat foods rich in protein，such as fish，eggs and milk products.When to eat is also of great importance. 【4】In general，you should have your meal an average of 1.5 to 2.5 hours before exercising.【5】 Do not eat immediately after exerci; instead，wait at least 30 minutes after a typical routine，or as much as an hour after a hard workout.Remember to drink throughout exerci to make up for water lost to sweat.
【4】此句中“When to eat”作主语；of great importance表示很重要，其中“of＋抽象名词(importance)”，相当于形容词(important)。声母韵母拼读全表
【5】before exercising 为状语从句的省略。
Avoiding injury
To prevent soft tissue injury，make sure that you wear proper clothes and equipment when exercising.【6】You should also start small and slowly work your way to a longer and harder exerci routine to avoid getting hurt.Finally，remember to warm up before exercising and stretch at the end of your workout.免费彩铃怎么弄
【6】To prevent ...injury 意为“为了防止……受伤”，动词不定式作目的状语。
So，now you know the benefits of exerci and how to do it safely and effectively.What are you waiting for？
词语助读
①congratulation n．祝贺，恭喜；贺辞；恭贺
②assume vt.假定，认为；承担(责任)，就(职)；呈现，显露
③do wonders 创造奇迹，产生神奇作用
④to start with 首先，作为开端
⑤lung n．肺
⑥over the long term 长期
⑦tend 手枪vi.往往会；趋向 vt.照看
⑧immune adj.有免疫力的；不受影响的，免除的
⑨dia n．病，疾病
毕设开题报告
⑩moreover adv.此外，而且
⑪reduce vt.减少，缩小
⑫routine n．常规，惯例 adj.常规的，例行的；乏味的
⑬muscle n．肌肉，肌
⑭jogging n．慢跑锻炼
⑮skiing n．滑雪(运动)
⑯pullup n．引体向上
⑰bone n．骨头，骨
⑱gymnastics 最有成就感的事情n．体操，体操训练
⑲stretch vt.&vi.伸展，舒展；拉长；伸出；(使)延伸
⑳range n．(变动或浮动的)范围，界限，区间；一系列
movement n．活动，转动；移动；运动
play a role in 起作用，扮演角色
above all 首先，尤其是
stick with 持续，坚持
petrol n．汽油
carbohydrate n．碳水化合物，糖类
energy n．能，能量；精力；能源
keep up 维持，继续
protein n．蛋白质
average n．平均水平，一般水准 adj.平均的；典型的
throughout prep.自始至终；各处，遍及
make up for 弥补，补偿
