目录
Unit1
Listen?and?Speeak:Greetings?and?Responses
Text
China''''''''s?Reform?and?Opening-up?Policy
Grammar
时态小结(The?Summary?of?Tenses)
Word?Study?Ⅰ
look,see,hear,listen
word?Study?Ⅱ
business,trade
Reading
Reform?in?China
Unit2
Listen?and?Speak:?Introductions
Text
International?Trade
Grammar
基本句型结构（Sentence?Construction)
Word?Study?Ⅰ
speak,say,talk,tell
Word?Study?Ⅱ
deal,transact
Reading
Invisible?Trade
Unit3
Listen?and?Speak:?Taking?Leave
Text
The?Guangzhou?Fair
Grammar
不定代词（Indefinite?Pronouns)
Word?Study??Ⅰ
arrive,reach,accept,receive
Word?Study?Ⅱ
economy,contract
Reading
The?Chinese?Export?Connodities?Fair
Unit4
Listen?and?Speak:?Thankd?and?Responses
Text
Tariffs
Grammar
情态动词（Modal?Verbs)
Word?Study?Ⅰ
become,turn,go,come
Word?Study?Ⅱ
market,price
Reading
Customs?Duties
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