初中英语Section 4教案设计

这是一份初中英语Section 4教案设计，共17页。PPT课件主要包含了目录页标题等内容，欢迎下载使用。
Learning bjectives
通过本课时学习，学生能够：1. 读懂文章，获取关键信息，理解水对于人体的重要性以及人和动物如何依赖水分来维持健康。2. 综合运用所学知识写一篇水与人体关系的小短文。3. 通过学习水对于生命体的作用和意义，强化科学饮水意识，提升健康意识。
What percentage f a cucumber is water?A. 65% B. 75% C. 85% D. 95%
What is the percentage f water in ur bdy weight when we are brn?A. 30%-40% B. 50%-60% C. 70%-80%
Let’s find ut mre facts abut water in the human bdy!
What is the main idea f the passage?
It mainly intrduces the significance f water fr living things and water in the human bdy.
Read the passage and cmplete the ntes.
abut 70%-80%
Q1: Why d wmen usually have less water in their bdies than men?Q2: Hw much water shuld adults drink every day t stay healthy?
Wmen usually have mre bdy fat than men.
They need t drink abut 2-3 litres per day t stay healthy.
Q3: Why d we sweat?Q4: What will happen if we lse mre than 10% f ur bdy weight in water?
T help ur bdies cl dwn.
We will feel ill.
What else des the bdy use water fr?
It keeps yur muth wet and washes away dirt n yur eyes.
Water in ur bld (血液) carries nutrients (营养物质) and xygen (氧气) t cells thrughut the bdy.
Water helps remve (排出) waste (废物) frm the bdy thrugh urine and sweat.
Water keeps jints (关节) lubricated (润滑) s they can mve smthly.
Sme peple dn’t drink enugh water every day.
Sme peple drink sda water r fruit juice instead f water.
Sme peple wait until they feel very thirsty t drink water.
What are bad drinking habits?
Sme peple drink t much water quickly instead f sipping (小口喝) it slwly.
Sme peple drink t much water right after eating meals.
Sme peple drink water that is t ht r t cld.
Write a cmpsitin
Write a shrt cmpsitin abut the relatinship between water and the human bdy.
Intrduce water in the human bdy and explain why peple need water.List sme bad drinking habits and the disadvantages.Call n peple t develp gd drinking habits and keep their bdies healthy.
The Imprtance f Water t the Human BdyWater is like fuel fr the human bdy. Just as a car cannt run withut gasline, ur bdies cannt wrk prperly withut water. In fact, abut 60% f ur bdy weight is water. Water helps carry nutrients, cntrl bdy temperature, and remve waste. Withut enugh water, peple may feel tired, get headaches, r even face serius health prblems.Hwever, many peple have bad drinking habits. Sme wait until they feel thirsty t drink water. Others replace water with sugary drinks like sda r juice. Drinking t much water at nce is als unhealthy. It may hurt yur kidneys(肾). These habits can harm ur bdies.T stay healthy, we shuld develp gd drinking habits. First, drink enugh water every day—6-8 glasses. Secnd, drink small amunts f water regularly instead f waiting until yu’re thirsty. Third, chse clean water instead f sweet drinks. Take a water bttle with yu r set alarms. These can help yu develp gd habits.In cnclusin, water is imprtant t life. Let’s value this “invisible her”(隐形英雄) in ur bdies by drinking wisely. Start tday, and yur bdy will thank yu with better energy and health!
talk abut water in the human bdy.
realize the imprtance f develping gd drinking habits t keep my bdy healthy.
knw mre facts abut water in the human bdy.
After learning this lessn, I can
1. Find ut mre facts abut hw water helps ur bdies wrk.2. Design a persnal water-drinking schedule fr ne day. Present yur plan t the class.3. Wrk in grups t make a pster t call n peple t develp gd drinking habits.