单项选择题A．They expect that XP will attract users to use their new productB．They expect that XP will enhance American economyC．They expect that XP will slow down computer salesD．They expect that XP will replace the old editions

单项选择题A．It is not sure whether the Doha round can be finalized in several monthsB．148 nations are involved in this roundC．These nations have to achieve a deal before they reach an agreement on the negotiating packageD．WTO chief is not pessimistic about the future

单项选择题A．Salesmen.B．Editors.C．Cooks.D．Advertising agents.

单项选择题The Independence Day is _____.

单项选择题The founder of the American drama is _____.