Reading Comprehension: Read the quoted parts carefully and answer the questions. My thoughts were now wholly employed about securing myself against either savages, if any should appear, or wild beasts, if any were in the island; and I had many thoughts of the method how to do this and what kind of dwelling to make, whether I should make me a cave in the earth or a tent upon the earth: and, in short, I resolved upon both, the manner and the description of which may not be improper to give an account of.
What caused the narrator to live an isolated life on the island?
【正确答案】：
IN THE FIRST PART THE HERO OF THE STORY, ROBINSON CRUSOE, NARRATES IN THE FIRST PERSON HOW HE GOES TO SEA, GETS SHIPWRECKED AND MAROONED ON A LONELY ISLAND STRUGGLES TO LIVE FOR TWENTY-FOUR YEARS THERE AND FINALLY GETS RELIEVED AND RETURNS TO NEW ENGLAND. 
【题目解析】：在第一部中，小说主人公鲁滨逊以第一人称叙述了他是怎样出海，遇到海难翻船，并飘至一片孤岛，从此在岛上挣扎生存了二十四年，最后终于获救返回新英格兰的。
