题目

Below is an entry taken from an English dictionary． 46. “Be careful not to scratch the furniture”most probably means “Be careful not to           ”．     A. remove any marks                     B. damage its surface     C. make any noises                      D. change its position 47. The word scratch in It took us some time to scratch the paint from the wall.” has the same meaning as in“       ”．     A．We scratched some of the dirt away.      B．The car's paintwork is badly scratched   �读“水的社会循环和自然循环示意图”，回答下列问题。（注：水的社会循环是指在水的自然循环当中，人类不断利用其中的地下径流或地表径流满足生活与生产之需而产生的人为水循环。）小题1:图中来源于用户的潜在回用水源包括A．降水、地下水、地表水B．供水厂提供的自来水C．可循环使用的清洁冷却水D．经污水处理厂处理后的中水小题2:城市化对水的自然循环的影响主要表现为①人口增多导致地下径流增加  ②城市硬底化增加城市内涝 ③地表植被减少导致下渗量减少 ④城市规模扩大导致降水增加A．①②③B．①②④C．①③④D．②③④