Tony feels very _________ because he failed his English test. ( ) Tony feels very _________ because he failed his English test. ( ) 分类:小升初 题型:选择题 查看答案
晓明发现自家的农田出现土壤酸化板结现象,经查阅资料得知:是因为该农田长期施用化肥——硫酸铵[(NH4)2SOa]的缘故。硫酸铵属于 晓明发现自家的农田出现土壤酸化板结现象,经查阅资料得知:是因为该农田长期施用化肥——硫酸铵[(NH4)2SOa]的缘故。硫酸铵属于 分类:小升初 题型:选择题 查看答案