南极洲上有丰富的煤炭资源，煤的形成需要有暖湿的环境与大片的森林，而南极洲上冰天雪地，号称“白色沙漠”，为什么会有此现象产生（    ）

阅读下列材料，回答问题：

材料一：罢兵西归……封诸侯，班赐宗彝……于是封功臣谋士，而师尚父为首封，封尚父于营丘，曰齐。——《史记·周本纪》

材料二：见下图

材料三 ： 自古皆封建诸侯，各君其国，卿大夫亦世其官……其后积弊日甚……其势不得不变。 ——赵翼《廿二史札记》

材料四：（商鞅）集小（都）乡邑聚为县，设置令、丞，凡三十一县。——《史记·商君列传》

如图是某程序的流程图，则其输出结果为(      )

据报道，各种偷拍现象泛滥。但越来越多的受害者选择对簿公堂，这表明（    ）

增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。

删除：把多余的词用斜线（＼）划掉。

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意：1）每处错误及其修改均仅限一词；

2）只允许修改10处，多者（从第11处起）不计分。

    Mao Zhaomu drop out of high school several years ago. Now the self-taught English learner has been admitted to one of China's top foreign language university, Sichuan International Studies University, that he used to deliver food to students. Mao once worked a delivery man for a restaurant. And he chatted happy with English learners online during her spare time. There were much grammatical mistakes, but that didn't prevent him from chatting. To seize every chance to study English, he would memorize words while wait for customers. Mao said that how he hoped very much to become an interpreter. Whoever have a dream and dares to seek it is the loveliest person.