单项选择题A．Employer and employee.B．Salesman and customer.C．Advertiser and customer.D．Colleagues.

单项选择题A．Many detainees in Guantanamo Bay have been held for more than 2 years.B．U.S government doesn’t permit Wilner to discuss their cases.C．Some of the Kuwaitis are members of Taliban.D．Human rights group are deeply concerned about the situation of the detainees.

单项选择题A．Kitchen.B．Deep-freezer.C．Mobility units.D．Cake mixer.

单项选择题A．They expect that XP will attract users to use their new product.B．They expect that XP will enhance American economy.C．They expect that XP will slow down computer sales.D．They expect that XP will replace the old editions.

单项选择题A．It is not sure whether the Dora round can be finalized in several months.B．148 nations are involved in this round.C．These nations have to achieve a deal before they reach an agreement on the negotiating package,D．WTO chief is not pessimistic about the futur