Worries are spreading from Manhattan to the rest of the country.Precise current data on private schools are unavailable, but interviews with representatives of independent schools all told the same story:an oversupply of applicants, higher rejection rates."We have people calling us for spots two ...
New data has ___ that the damage to the ozone layer is not confined to the southern hemisphere. A. ratified B. confirmed C. assured D. approved 查看完整题目与答案 人口自然增长率是指年内人口自然增加数与年平均人口之比,一般用( )表示。 A. 小数 B. 千分数 C. 百分数 D...