Unit 1 Plants
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Unit 2 Famous People
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Unit 3Festivals
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Unit 4 Animals -------------------------------------------------------------------------------------------
Unit 5Preserve
Wild
Life--------------------------------------------------------------------------------
Unit 6 Space
Exploration--------------------------------------------------------------------------
Unit 7
Health--------------------------------------------------------------------------------------------
Unit 8 Healthy
Diet---------------------------------------------------------------------------------------
Unit 9 Health and Lifestyle----------------------------------------------------------------------------
Unit 10 Marvel
Comics----------------------------------------------------------------------------------
Unit 11High
Tech--------------------------------------------------------------------------------------
Unit 12 Nature and
Environment-------------------------------------------------------------------------
Unit 13Read for
Fun------------------------------------------------------------------------------------
Unit 1 4 Jokes
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Unit 15 Singles
Day----------------------------------------------------------------------------------
Unit 1 6
Occupation-------------------------------------------------------------------------------------
Unit 1 7 Job
Hunting----------------------------------------------------------------------------------
Unit 18
Language----------------------------------------------------------------------------------------
Unit 19 Body
Language-------------------------------------------------------------------------------
Unit 20
Culture---------------------------------------------------------------------------------------
Unit 21 American
Culture-------------------------------------------------------------------------------
Unit 22
Business-----------------------------------------------------------------------------------------
Unit 23 Growing-up-------------------------------------------------------------------------------------
Unit 24
Entertainment-----------------------------------------------------------------------------------
Unit 25 Creatures Small and Large---------------------------------------------------------------------
答案与解析
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