【正文】 tures: ? Part 1: definition and varieties of stamps ? Part 2: history of stamps ? Part 3: evolution of stamps and postage stamps Spelling ? emblem ? monarch ? issue ? gum ? affix ? indicate ? deed ? postage ? document ? impose ? liquor ? cigarette ? tobacco ? finance ? colonist ? purchase ? luxury ? mercial ? pamphlet ? revenue ? civilian ? adhesive ? effective ? transmission ? isolate ? device ? twopence ? mismanagement ? royal ? courier ? originate ? reform ? inaugurate ? Switzerland ? denomination Maps From Macow ? Postmaster ? provisional Word Derivations ? document(n.)—documentary(adj.) ? luxury(n.)—luxurious(adj.) ? merce(n.)—mercial(adj.) ? transmit(v.)—transmission(n.) ? require(v.)—requirement(n.) ? impose(n.)—imposition(n.) ? responsible(adj.)—responsibility(n.) ? divide(v.)—division(n.) Language Points ?1. impose on : to establish ( an additional payment ) officially: 征稅等 ?A new tax has been imposed on wines and tobaccos. ?The government would not dare to impose taxes on such necessities as bread or milk. ?2. relating to : about ?He showed me all the documents relating to the matter. ?The government just passed a law relating to noise. ? 3… .by requiring that special internal revenue stamps be affix to… 表示命令 ， 決定 ， 建議等詞語之后的 that –分句中 ， 不管主語是什么人稱 ， 動詞 一律用原形 。 spelling 176。Unit 6 Reading I Stamps and Postage Stamps Stamps faithfully reflect a nation’s history and c