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新综合科学学生用书：牛津原版（2）/牛津-远东不生新知文库（影印版）郑书皓杨坚望
内容提要：
教学——激发学生独立思考和创新的意识；
实验——鼓励学生探求新知和实际操作；
作业——提高学生解决问题的综合能力；
宗旨——培养学生的科学精神、创新思维和综合素质；
目录：
Unit 7 Living Things and Air
Common gases
Composition of the air
What is air?
Uses of the gases in air
Breathed and unbreathed air
What makes these differences?
Respiration
How air passes in and out of us
Breathing in and out
Different breathing systems
Do plants respire?
How do plants obtain energy?
Most plants contain starch
Photosy nthesis
Oxygen carbon dioxide balance
Photosynthesis and food chains
Food webs
The pollution of our air
Summary
Difficult words
Unit 8 Electricity
Use of electicity
Conductors insulators
Electric current
Resistance
Lighting and heating effects
Fuses and circuit breakers
Electricity at home
Magnetism
Electromagnets
Electrochemistry
Summary
Difficult words
Unit 9 Heat Transfer
Unit 10 Hydrogen,Acids and Alkalia
Unit 11 Detecting the environment
Unit 12 Forces and Movement
Index
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详细介绍
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