题目

Statuses are wonderful human inventions that enable us to get along with one another and to determine where we fit in society. As we go about our everyday lives, we mentally attempt to place people in terms of their statuses. For example, we must judge whether the person in the library is a reader or a librarian, whether the telephone caller is a friend or a salesman, whether the unfamiliar person on our property （房产）is a thief or a meter reader, and so on?        The statuses we assume often vary with the people we meet, and change throughout life. Most of us can, at very high s黄河流经我国9个省(自治区)，支流众多，注入渤海。全长5464千米，是我国第二长河。读“黄河水系图”，回答问题。1.关于图中地理事物的叙述，正确的是（ ）A．易发生凌汛的河段是①和④B．B山脉是黄河水系与长江水系的分水岭C．A山脉是季风区与非季风区的分界线D．②处是有“塞上江南”之称的宁夏平原2.近几年在黄河干流③处修建的著名的水利枢纽工程是（ ）A．龙羊峡 B．刘家峡C．三峡 D．小浪底