问题
选择题
在氧化还原反应的过程中，氧化反应和还愿反应同时发生，有关SO2+2H2O→SO42-+4H++2e-反应的说法错误的是 （ ）
A．该反应为氧化反应
B．上述反应中若产生0.1 mol SO42-，则消耗SO2的物质的量为0．1mol
C．Fe2（SO4）3、品红两种溶液都能使上述反应进行
D．通入Cl2会降低SO2的漂白作用
答案
答案：C
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在氧化还原反应的过程中，氧化反应和还愿反应同时发生，有关SO2+2H2O→SO42-+4H++2e-反应的说法错误的是 （ ）
A．该反应为氧化反应
B．上述反应中若产生0.1 mol SO42-，则消耗SO2的物质的量为0．1mol
C．Fe2（SO4）3、品红两种溶液都能使上述反应进行
D．通入Cl2会降低SO2的漂白作用
答案：C
How do you enter a room full of strangers? Do you walk right in full of confidence? Or do you try to slip in without being noticed? ___小题1:___ In life, we admire those who do their tasks confidently. We prefer people who appear to know what they are doing. But where does that confidence begin? Developing self-confidence starts very early. It’s parents’ role to get kids on the right track toward becoming confident people. ___小题2:___ That can be done by focusing on the child’s strengths. Parents should encourage their children to try new things and take risks. When children make mistakes, their parents should still let them know that they are loved. Children whose parents do these things will likely develop into confident adults. ___小题3:___ So what’s the solution? ◎ With most things in life, practice makes perfect, and that is true of confidence skills. ___小题4:___ ◎ Always hold your head high and look people in the eye. Answer questions clearly and confidently. ◎ Focus on the things that you do well, and look for opportunities to use those abilities. ◎ Prepare thoroughly for every project. You’ll approach the task more confidently knowing that you are ready. ◎ ___小题5:___ It could be a good test score or a prize from a contest. Remind yourself that one success often leads to the next. However, all humans fail at times, and you will too. Even with efforts to try all the above, you will never be perfect. But you can learn to love and accept yourself and live your life with confidence.
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