1. 关于语音的几个概念
1) 字母：语言的书写形式。元音字母a, e, i(y), o, u,
2) 音标：词的语音形式。
3) 音素：音的最小的单位。英语中有48音素。
4) 音节：由元音和辅音构成的发音单位。ap'ple, stu'dent, tea'cher, un'der'stand
5) 元音：发音响亮，是乐音；口腔中气流不收阻碍；是构成音节的主要音。英语中有20元音。
6) 辅音：发音不响亮，是噪音；口腔中气流受到阻碍；不是构成音节的主要音。英语中有28辅音。
7) 开音节：a) 辅音+元音+辅音+e name bike home due ;b) 辅音+元音 he, go, hi
8) 闭音节：a) 辅音+元音+辅音 bad, bed, sit, hot, cup; b)元音+辅音it
9) 重读音节：单词中发音特别响亮的音节。
2. 元音：(注意：下面空方括号是电脑无法输入的音标)
1) [i:] sea, he, see, piece, ceiling
2) [i] sit, build, miss, myth
3) [e] bed, desk, head,
4) [ ] bad, land, bank, stamp
5) [a:] car, fast, class, plant, calm, aunt
6) [ ] hot, want
7) [ ] door, more, sport, ball, warm, author, court, bought, caught
8) [u:] good, who, blue, soup,
9) [u] look, put, women, could
10) [ ] cup, come, blood, rough
11) [ ] girl, work, serve, nurse
12) [ ] cadre, ago, forget, polite, dollar, doctor, famous, Saturday
13) [ei] cake, they, play, eight, great,
14) [ai] bike, die, neither, light, try, find, height, eye
15) [ ] phone, cold, boat, soul, grow
16) [au] house, town
17) [ ] boy, oil
18) [ ] dear, idea, deer, here, fierce,
19) [ ] pear, care, there, fair
20) [ ] tour, poor