English:1.it's _____ ______(一刻钟)past eleven.(P.S:是a quarter
English:1.it's _____ ______(一刻钟)past eleven.(P.S:是a quarter )
2.Where does Maria live ____?A.in B.on C./ (P.S:Is C the correct answer?)
Chemistry:净水时明矾可以沉降下悬浮的可溶杂质吗?
2.Where does Maria live ____?A.in B.on C./ (P.S:Is C the correct answer?)
Chemistry:净水时明矾可以沉降下悬浮的可溶杂质吗?
lhao777777 幼苗
共回答了9个问题 举报
I think you already know the answer,so need not explain too much .
and the second subject chemistry I think the answer is 明矾可以吸附水里悬浮的杂质，并形成沉淀，至使水澄清。
and the second subject chemistry I think the answer is 明矾可以吸附水里悬浮的杂质，并形成沉淀，至使水澄清。
1年前
0
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