“为救孤你古稀高龄去卖唱，为救孤你含辛茹苦十六年”，这是为2015年感动中国人物王宽老艺术家写下的颁奖词，在这位尽心尽力做善事的老人身上，我们感受到他的行为（    ）

①弘扬了助人为乐的传统美德          ②突出了追求名利的心理状态

③彰显了热心公益的志愿精神          ④反映了关爱他人的处世准则

锄禾：锄禾日当午，汗滴禾下土。谁知盘中餐，粒粒皆辛苦。这是一首爱惜粮食的诗歌。（　　）

常温下，下列有关稀溶液中离子浓度的说法正确的是（　　）

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   Dodtors tell us that we should have a 1 from work for a week or two weeks
every year. If it is possible, they say, we should2 our homes and go to another3 of the country. We should go away for4 Then, after the holidays, we will be5and get ready for6 again.
   But some people do not want to leave their homes and 7 in other places. They think their  8  are best of all. And some people can have a rest in 9way. They can go to visit their friends. They can have a 10holiday together.