第10题: [单项选择]About three-fifths of the country has a ______ annual rainfall between 782 and 1,500 mm. A. moderate B. mean C. extra D. excessive 参考答案:B 答案解析:[题解] 单词mean:平均的;中间的;低劣的;卑鄙的;吝啬的;惭愧的。单词moderate:适度的;稳健的;中等的;节制的。单词extra:额外的;特别的。单词excessive:过度的;过多的;极