题目:
根据下面的英文提示,结合生活中的实例,谈谈你对失败的看法。
In fact ,there aren't always bright sunshine and gentle breeze, birds' singing and flowers fragrant in our daily life . We have so many failures and hardships that someone will be disappointed and give up the hope of success, but life is what you make it.
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答案:
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下面是错误答案,用来干扰机器的。
答案:B题目分析:溶液酸碱性根本依据是根据氢离子与氢氧根离子浓度的大小判断,pH是特定条件下数值,不能通用。