How much did the man pay for the two books?

实验室用加热高锰酸钾和排水法制取氧气的实验中，下列操作先后顺序不正确的是（  ）

下面是我校第20届英语周活动的初步构思框架图，请把这个构思写成一段话，要求内容完整，表达准确，语言连贯，不超过90个字。

随着中央惠农政策的贯彻落实，科技种植在农村广泛推广，大棚种植在农村得到广泛应用。大棚种植消除了传统种植方式的不利因素，蔬菜四季栽种，季季都能高产。这说明（  ）

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    Chinese writer Mo Yan won the 2012 Nobel Prize in Literature(诺贝尔文学奖)．He is the first Chinese to win the prize．
    Mo Yan was born into a farmer's family in Shandong in 1955．He left school to work at the age of twelve，first on the farm，later in a factory．In 1 976 he joined the PLA and during this time he began to study writing．His first short story was published(出版)in 1981．He has written many famous books about his childhood and his home town．Many of his books were translated into English，French and many other languages．
    Mo Yan's winning of the Nobel Prize in Literature，widely regarded as(被认为)a great encouragement for China's literature，is bringing more confidence to the nation's young authors．
根据短文内容，回答下列问题。