乌龙茶副茶分为（）
A、铁观音、色种；
B、正茶、副茶；
C、粗茶、细茶；
D、粗茶、细茶、脚茶
参考答案：D
In the global economy, a new drug for cancer, _________ it is discovered, will create many economic possibilities around the world.
A．whatever
B．whoever
C．wherever
D．whichever
按乙醇含量分，中度酒指乙醇含量在（）之间的饮料酒。
A.30°～65°
B.40°～65°
C.45°～65°
D.50°～65°
