LESSON ONE Text:Australia and the United States:A Comparison Dialogue Grammar:句子類型(Types of Sentences) Word study:have,begin Exercises LESSON TWO Text:How Plants and Animals Help Each Other Dialogue Grammar:狀語從句(The Adverbial Clause)Ⅰ Word Study: Exercises LESSON THREE Text:Can a Computer Think? Dialogue Grammar:形容詞和副詞的級(The Degrees of Com-parison of the Adjective and the Adverb) Word Study:make,think Exercises LESSON FOUR Text:Television:Blessing or Curse Dialogue Grammar:Ⅰ.動詞非謂語形式(The Non-finite Forms of the Verb) Ⅱ.動詞不定式(The Infinitive)Ⅰ Word Study:talk,get Exercises LESSON FIVE Text:Polar bears Dialogue Grammar:定語從句(The Attributive Clause)Ⅰ Word Study:see,meet Exercises LESSON SIX Text:The Museum of Failures Dialogue Grammar:賓語從句(The Object Clause) Word Study:find,play Exercises Revision Examination(Lessons 1-6) LESSON SEVEN Text:The Maid Dialogue Grammar:Ⅰ.過去進(jìn)行時(shí)(The Past Continuous Tense) Ⅱ.一般過去將來時(shí)(The Past Future Indefinite tense) Word Study:remember,want Exercises LESSON EIGHT …… LESSON NINE LESSON TEN LESSON ELEVEN LESSON TWELVE Revision Examination(Lessons 7-12) Supplementary Reading Vocabulary(詞匯表)