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As soon as the rain stops, we will ________ for the train station and begin our journey.
11个月前
He thought he was helping us with the work, he was actually in the way.
11个月前
某老师在验证复分解反应发生的条件时,将少量氢氧化钠溶液滴入硝酸钡溶液中,结果发现溶液中出现了白色沉淀.请解释这可能是什么原因?试写出有关反应的化学方程式.
1年前
1年前
I'm 1.5 metres tall. You are l.7 metres tall. You're ______, and I'm ______.
1年前