皮皮学，免费搜题
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【多选题】
城市土壤的特点有( )。
A.
垂直层次不明显，混有大量灰沙、砖残渣等建筑垃圾
B.
坚实度高，土壤容中增加，孔隙度减少
C.
铺装地面下的土壤水分渗透和排除不畅，长期处于潮湿或干旱状态
D.
土壤PH值高
E.
土壤温度高，土壤干燥
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【简答题】请将下列句子进行排序: 1. Thanks and best regards. 2. Kindly note the price should be USD 90 + 15% and a good view. 3. We would be obliged if you would arrange the hotel accommodation for Mr. William Ghost on Ju...
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