海水淡化可采用膜分离技术.如右下图所示，对淡化膜右侧的海水加压，水分子可以透过淡化膜进入左侧淡水池，而海水中的各种离子不能通过淡化膜，从而得到淡水.对加压后右侧海水成分变化进行分析，正确的是(  )

近日，儒岙镇横板桥村举行家训家规提炼张挂活动，弘扬乡风文明。其中，“以诚为本”、“邻里团结”的家训集中体现了（    ）

①以和为贵、团结和睦的传统美德          ②敬业乐群、公而忘私的奉献精神

③坦荡待人、诚实守信的为人风范          ④厚德载物、道济天下的广阔胸怀

低碳生活，从我做起。全国“两会”首次使用环保易降解的“石头纸”，体现低碳生活的理念，“石头纸”的主要原料为碳酸钙。下面有关说法不正确的是（）

    Mr and Mrs Brown are from America. They are now teaching English in Beijing .Their son Jack is with them. Jack speaks English. They want him to learn some Chinese. Jack is in Grade Three in a Chinese school .He likes to play with(玩耍) Chinese children every day. He listens to Chinese, speaks Chinese, reads books in Chinese and writes in Chinese. He is good at his Chinese.