已知α，β是两个不同的平面，a，b是两条不同直线，给出条件：①α∩β=∅；②a⊥α，a⊥β；③a∥α，b∥α，b⊂β．上述条件中能推出平面α∥平面β的是____ ．（填写序号）．

    I have known my friend Rebecca for a long time．We first m____at a friend's birthday party five years ago．We found out that we both liked music，s____I asked Rebecca to come to my home one weekend．We listened to music together and soon became very good friends．We s____ almost every weekend doing homework and playing together．

    Three years ago．Rebecca's parents i____me to go on a holiday with them．It was great．We spent three wonderful weeks in a cottage(小别墅)n____a beautiful beach．Rebecca and I got up e____every morning．We loved walking along the beach in the morning．We took a lot of p____and had a lot of fun．

    Two years ago．I hurt my leg when I was learning to r____a bike and had to spend a week in hospital．Rebecca came to see me every day．But last year,Rebecca's father changed his job,and they m____to another town．Since then we haven't seen each other very much，but we have talked on the phone and we have w____emails to each other．

黄河下游水土流失严重，你认为与之有关的是（ ）

阅读下面语段，完成1～3题

①在许多智者看来，读书乃是与古今中外的杰出人物进行跨越时空的对话交流。读孔孟之书，如品馥郁香茗，醒脑清心；诵唐诗宋词，若饮陈年佳酿，醇香无比；品四大名著，似回味往事，喻理醒世……在阅读中，使我们的心智得以增长，思想得到启迪，境界获得提升。

②读书的更高境界，是从阅读中领悟时代使命，进而笃行之。阅读不仅可以丰富一个人的有限经历，况且可以涵养一个民族的灵魂性格，构建一个社会共同的精神家园，奠定一个国家的文化根基。在五彩斑斓的中国传统文化园地里，影响深远的诸子学说，浩如烟海的历史典籍，气象万千的诗词歌赋……令人推崇备至，惊叹不已，也感召着一代代人自强不息、奋勇前行。

③一个浅薄、浮躁的民族是无法崛起的，也难以屹立于世界民族之林。阅读决定了一个民族思维的深度，对文化传承、国家发展，意义非比寻常。