依次填入下列各句横线处的成语，最恰当的一组是( )
①“耻”和“不耻”，是君子人格的封底阀门。如果这个阀门开漏，君子人格将 ；如果这个阀门依然存在，哪怕锈迹斑斑，君子人格还会生生不息。
②一场暴雨过后，田地里的菜苗全都被水冲走了，妈妈的辛苦又 了。
③小偷溜进谈迁家里，偷走了存放的《国榷》原稿，使谈迁二十多年的心血 。
A：荡然无存 化为乌有 付之东流
B：付之东流 化为乌有 荡然无存
C：化为乌有 荡然无存 付之东流
D：荡然无存 付之东流 化为乌有
学习生物学，可以帮助我们建立良好的生活习惯，减少伤害和挽救生命，让我们生活更健康．下列做法你认为不正确的是（ ）
Only good swimmers can get to that place. There is water all ________ it.
用括号中所给单词的适当形式完成下列句子____ The students took the PISA test in _________ subjects - reading, maths and science. (third)____ Board games are more and more popular among . (teenager)____ I liked to walk in fields on days and to see my footprints left behind. (snow)____people often begin their conversations by talking about the weather. (Britain)____ The news about education has attracted the public attention (recent)____ The World Chocolate Park showed a of many kinds of chocolates. (collect)____ To improve your writing skills, you'd better a habit of reading. (development)____ Don't tell lies. Nobody likes those people. (honest)
在化学学习与研究中经常采用“推理”的思维方式，但有时也会得出错误的结论．下列“推理”正确的是（ ）
