我国的连锁商业在业态形式上以（）为主。
A.超级市场
B.便利店
C.百货店
D.专业店
参考答案：A, B
以下哪种灯光类型不能调节高光反射（Specular）项？（）
A.目标平行光（Target Directional Light）
B.目标聚光灯（Target Spotlight）
C.泛光灯（Omni Light）
D.天光（Skylight）
What will happen to the jet sales in 2008().
A. The sales are expected to slow for Airbus and Boeing.
B. The sales are expected to increase only for Boeing.
C. The sales are expected to slow only for Airbus.
D. The sales are expected to slow for neither Airbus nor Boeing.
