题目

听下面一段独白，回答以下小题。【1】Who are called senior citizens in the USA?A.People over 55 years old.B.People over 60 years old.C.People over 65 years old.【2】What is the feature of senior citizens?A.They have more free time.B.They live with their families.C.They always have part-time jobs.【3】What are senior citizens in big cities usually worried about?A.Their health. B.Their wealth. C.Their safety.【4】What may be the speaker’s attitude towards the future of senior citizens?A.Doubtful. B.Optimistic. C.Cautious.读“我国南、北方水资源、人口及耕地分布对照图，回答10—11题。 10．下列说法与图中内容相符的是 A．我国人口重心在北方地区               B．耕地面积南方多于北方 C．南方的人均耕地面积不到北方的一半     D．北方水土资源搭配更佳 11．造成我国南方和北方地区水资源总量差异大的主要原因是两地 A．河流湖泊数量差异大                  B．年降水总量差异大 C．植被覆盖率差异大                    D．年蒸发总量差异大