| 欢迎学校、团体订购，联系人王先生010-51236217 |
| unit 1 home and family unit 2 advertising unit 3 life experience unit 4 a defining moment unit 5 customs unit 6 the internet: its benefits and problems unit 7 achieving success unit 8 seeking a job and career unit 9 human relationships unit 10 smart machines and people's life |
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