题目

Green tea is the best choice for office workers.People who always work in places with air conditioning may face skin problems such as easily dry skin. Among all the drinks, green tea is the best choice. Because there are important things in green tea and they are often called catechins(儿茶酚). Moreover, drinking more green tea can prevent computer radiation(辐射).Winter is the season to drink black tea. Chinese medicine believes that different people should drink different tea based on the different characteristics and tastes of each kind of tea. Black tea can warm the stomach and quicke 如图所示，一架飞机在北半球高空自东向西飞行，可判断出： [　　] A． 飞机顺风飞行 B． 飞机逆风飞行 C． 飞机在西北风中飞行 D． 风从南侧吹来