P29 10-1 I. 含/ju:/的单词 I. 含/ju:/的单词 P29 10-2 II. 含长元音/A:/的单词 II. 含长元音/A:/的单词 P30 10-3 III. 奇想法 III. 奇想法 P31 10-4 I. Listen and number. I. Listen and number.