任务型阅读
    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。

美国前副总统华莱士说：“左宗棠是近百年史上世界伟大人物之一，他将中国人的勇武精神展现给俄罗斯人，给整个世界．”华莱士评述左宗棠的历史事件是（  ）

如图，△ABC中，∠B=10°，∠ACB=20°，AB=4cm，△ABC逆时针旋转一定角度后与△ADE重合，且点C恰好成为AD的中点．

（1）指出旋转中心，并求出旋转的度数；
（2）求出∠BAE的度数和AE的长．

放入30%蔗糖溶液中不会发生质壁分离的一组细胞是（    ）

①洋葱根尖生长点细胞  ②人的口腔上皮细  ③洋葱表皮细胞

④干种子细胞         ⑤蛔虫卵细胞         ⑥洋葱根毛细胞

如下图所示，有利于实现社会结构由“金字塔型”向“橄榄型”转变的措施是  (       )                                          

①让广大农民共享经济繁荣成果 　②不断加强社会保障体系的建设　
③鼓励一步人先富起来 　                ④加大对教育支出的投入