[解析]
(1)D.词义猜测题。根据第二段划线处句子However,at the age of nine,he seemed to recover from his ailments and then attended a private school in Hannibal.然而,在九岁时,他的病似乎痊愈了,随后进入了一个私立学校学习。可知,划线词意为"疾病"。结合选项:A.Injury受伤;B.Pressure压力;C.Sadness悲伤;D.Illness疾病。故选D。
(2)B.事件排序题。根据第三段When Samuel was 12,his father died of pneumonia(肺炎),and at 13,Samuel left school to become a printer's apprentice(学徒).After two short years,he joined his brother Orion's newspaper as a printer and an editorial assistant.After two short years,he joined his brother Orion's newspaper as a printer and an editorial assistant.It was there that young Samuel found he enjoyed writing.塞缪尔12岁时,父亲死于肺炎,13岁时,塞缪尔离开学校,成为一名印刷师的学徒。短短两年后,他加入了哥哥猎户座的报纸,担任印刷工和编辑助理。正是在那里,年轻的塞缪尔发现他喜欢写作。及倒数第三段In 1870,he married Olivia Langdon.1870年,他与奥利维亚•兰登结婚。可知,马克•吐温先后经历了:读小学;辍学当印刷学徒;当水手;当报社记者;第一本书出版;与Olive Langdon结婚。故选B。
(3)C.细节理解题。根据文章倒数第二段Mark Twain began to gain fame when his story,The Celebrated Jumping Frog of Calaveras Country appeared in The New York Saturday Press on November 18,1865.Mark Twain's first book,The Innocents Abroad,was published in 1869.1865年11月18日,当马克•吐温的故事《卡拉维拉斯县著名的跳蛙》出现在纽约星期六的报刊上时,马克•吐温开始出名。马克•吐温的第一本书《海外的无辜者》于1869年出版。可知,马克•吐温在第一本书出版前,就在《纽约周六报刊》上发表了《卡城名蛙》。由此可知,马克•吐温在出书之前,就发表过文章。故选C。
(4)D.细节理解题。根据文章第四段Samuel's pen name,Mark Twain,comes from his days as a river pilot.塞缪尔的笔名马克•吐温来自他当河上领航员的日子。可知,此处提到马克•吐温笔名的来历;根据第六段Mark Twain's first book,The Innocents Abroad,was published in 1869,The Adventures of Tom Sawyer in 1876,and The Adventures of Huckleberry Finn in 1885.马克•吐温的第一本书《海外的无辜者》出版于1869年,《汤姆•索耶历险记》出版于1876年,《哈克贝利•费恩历险记》出版于1885年。可知,此处提到他的主要作品;及文章第三、四、五段均提到他所做的工作,但是并没有提到鼓励他写作的那个人。故选D。