Lesson 52:The power of a smile

课文目录与封面
Unit1 :Stay healthy
　　Lesson 1:What's wrong, Danny?
　　Lesson 2:A visit to the Dentist
　　Lesson 3:Good food, good health
　　Lesson 4:Don't smoke, please!
　　Lesson 5:Jane's lucky life
　　Lesson 6:Stay away from the hospital
　　Review:Unit Review
Unit 2:Great people
　　Lesson 7:What is the meaning of life?
　　Lesson 8:A universe of thought
　　Lesson 9:China's most famous 'farmer'
　　Lesson 10:Touch the world
　　Lesson 11:To China, with love
　　Lesson 12:Guess my hero!
　　Review:Unit Review
Unit 3:Safety
　　Lesson 13:Be careful, Danny!
　　Lesson 14:Accidents happen
　　Lesson 15:My helmet saved my life!
　　Lesson 16:How safe is your home?
　　Lesson 17:Staying safe in an earthquake
　　Lesson 18:Never catch a dinosaur
　　Review:Unit Review
Unit 4:Stories and poems
　　Lesson 19:A story or a poem?
　　Lesson 20:Say it in five
　　Lesson 21:The fable of the woodcutter
　　Lesson 22:The Giant(II)
　　Lesson 23:Writing a poem
　　Lesson 24:Writing a poem
　　Review:Unit Review
Unit 5:Look into science
　　Lesson 25:Let's do an experiment!
　　Lesson 26:Keep the candle burning
　　Lesson 27:Planet Danny
　　Lesson 28:The study of living things
　　Lesson 29:DNA - The story of you
　　Lesson 30:Science affects us
　　Review:Unit Review
Unit 6:Movies and theatre
　　Lesson 31:A movie or a play
　　Lesson 32:Moving pictures
　　Lesson 33:The Fisherman and the Goldfish(I)
　　Lesson 34:The Fisherman and the Goldfish(II)
　　Lesson 35:Theatres are fun!
　　Lesson 36:Making plays is fun
　　Review:Unit Review
Unit 7:Work for peace
　　Lesson 37:Don't fight!
　　Lesson 38:Making school a better place
　　Lesson 39:The dove and the olive branch
　　Lesson 40:The UN - The power of words
　　Lesson 40:Jenny's good advice
　　Lesson 42:Peace at last
　　Review:Unit Review
Unit 8:Culture shapes us
　　Lesson 43:A visit to Chinatown
　　Lesson 44:Popular sayings
　　Lesson 45:Different manners
　　Lesson 46:Home to many cultures
　　Lesson 47:Good manners
　　Lesson 48:Supper with the Bradshaws
　　Review:Unit Review
Unit 9:Communication
　　Lesson 49:Get along with others
　　Lesson 50:Tips for good communication
　　Lesson 51:What could be a wrong?
　　Lesson 52:The power of a smile
　　Lesson 53:Working in groups
　　Lesson 54:How embarrassing!
　　Review:Unit Review
Unit 10:Get ready for the future
　　Lesson 55:Look into the future
　　Lesson 56:Manage your time
　　Lesson 57:Best wishes
　　Lesson 58:Ms. Liu's speech
　　Lesson 59:Keep your choices open
　　Lesson 60:Get a good education
　　Review:Unit Review
Vocabulary and Structures
Grammar