使用方法

说明
Part 1 , 2 , 3
Part 4 , 5 , 6
Part 7 , 8 , 9
Part 10, 11

单词练习
1, 2, 3, 4, 5,
6, 7, 8, 9, 10,
11, 12, 13, 14,
15, 16, 17, 18,
19, 20, 21, 22,
23, 24, 25, 26,
27, 28, 29, 30,
31, 32, 33, 34,
35, 36, 37, 38,
39, 40, 41, 42,
43, 44, 45, 46,
47, 48, 49, 50,
51, 52,

句子练习
1, 2, 3, 4, 5,
6, 7, 8, 9, 10,
11, 12, 13, 14,
15, 16, 17, 18,
19, 20, 21, 22,
23, 24, 25, 26,
27, 28, 29, 30,
31, 32, 33, 34,
35, 36, 37, 38,
39, 40, 41, 42,
43, 44, 45, 46,
47, 48, 49, 50,
51, 52,