编 者 的 话...................................................................... 1 目 录..................................................................... 2 自然发音练习(26个字母)............................................... 3 Starter Unit ....................................................................... 5 Unit 1............................................................................... 13 Unit 2 ...............................................................................19 Test 1................................................................................25 Unit 3 ...............................................................................29 Unit 4 ...............................................................................35 Test 2................................................................................42 Cultures & Festiveals........................................................45 版权页.............................................................................47