P14 5-1 I. 含短元音/e/的单词 I. 含短元音/e/的单词 P15 5-2 II. 含短元音/I/的单词 II. 含短元音/I/的单词 P15 5-3 III. 奇想法 III. 奇想法 P16 5-4 I. Listen and tick. I. Listen and tick.