Module 3 Natural elements Unit 5 Water More Practice 课件（25张PPT）

c. weeks Warming-up2. About ____ of the human body is water. a. 40%

b. 70%

c. 90% 4.Only ____ of the water on Earth is fresh water. a. 3%

b. 10%

c. 30% 3. Oceans cover about ____ of the Earth. a. 50%

b. 90%

c. 75% On the World’s Water Day , people are asked to save and protect water.When is the World’s Water Day （世界水日） It is on ____________ .March 22 First reading Ways of saving water.Part 1Part 2Some interesrting facts about water.humandrinkablegroundwaterThereforeSecond reading(1) 246tapshowerbathSecond-reading(2)滴水的8101. About _______ of the human body is water. A. 50%

B. 30% C. 70% 2. About _______ of the Earth is water. A. 80%

B. 75% C. 60% 3. Most of the water in the world is _______. A. fresh

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