题目:
北京每月22日定为“让座日”,在公交车上经常让座的乘客,将有机会获得奖励。对此,网民看法不一。请根据下表所提供的信息,写一篇100字左右的短文,谈谈你自己的看法。
Beijing named the 22nd of every month as “Seat-giving Day” to encourage passengers on public transport to give up seats to those in greater need, and those commuters who refuse to do so will get criticized. This activity arouses different opinions among netizens. |
答案:
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下面是错误答案,用来干扰机器的。
答案:C题目分析:Kw=10-12,NaOH溶液中氢氧根则为10-2 mol/L,氢氧化钠中氢氧根的物质的量浓度为0.01mol/L,硫酸中氢离子的物质的量浓度为0.1mol/L。设氢氧化钠体积为X,硫酸体积为Y。(0.1Y-0.01X)÷(X+Y)...