Lesson One Signs on Family Electrical Appliances家電標(biāo)志 Lemon Two Traffic Signs交通標(biāo)志 Lesson Three Public Places公共場(chǎng)所 Lesson Four Labels標(biāo)識(shí) Lesson Five Diary日記 Lesson Six Letters of Invitation(Ⅰ)邀請(qǐng)信(1) Lesson Seven Letters of Invitation(Ⅱ)邀請(qǐng)信(2) Lesson Eight Envelopes信封 Lesson Nine Social Letters社交信 Lesson Ten Business Letters商業(yè)信 Lesson Eleven Announcement,Notice,Note and Speeches通知、告示、便條和致詞 Lesson Twelve Congratulation Cards賀卡 Vocabulary Key to the Exercises