题目

I work at a company where there are lots of employees. I can’t say I know them all   41  ，but I know most of them. I think that almost   42  of them know me. It’s all based on one   43   principle: I believe every single person   44  to be acknowledged(点头或微笑致意), however small or simple the greeting. When I was about 10 years old, I was   45   down the street with my mother. She  46  to speak to Mr. Lee, while I was aiming at the “ O” in the STOP   47  with a stone. I knew I could see Mr. Lee any time   48   the neighborhood, so I didn由于水资源短缺，我国华北平原大量开采地下水，20世纪60年代以来出现了地下水漏斗，带来一系列环境问题。地下水漏斗指由于打井超采地下水形成的地下水位中间深、四周浅，如漏斗状的地下水位分布状况。下左图、右图分别为华北平原浅层和深层地下水漏斗分布区（阴影部分）示意图。回答下列问题。【1】根据华北平原地下水漏斗区的地理特征，可判断（ ）①浅层地下水漏斗区地势相对较低②深层地下水漏斗区河流径流量丰富③浅层地下水漏斗区主要分布在山麓地带④深层地下水漏斗区工农业生产用水量大A．①② B．②③ C．③④ D．①④【2】浅层或深层地下水漏斗带来的主要环境问题是（ ）A．浅层地下水漏斗致使河流干涸断流B．深层地下水漏斗造成深层地下水污染C．浅层地下水漏斗导致土地盐碱化D．深层地下水漏斗会引起土壤养分降低