实验九 搜索引擎的使用
学 号: 2010312222 姓名:左中良 成绩:
学院(系): 基信学院 专业: 应用化学 班级: 24
一,实验目的
1.熟练掌握百度搜索引擎的基本使用方法及二次检索功能.
2.熟练掌握google搜索引擎的基本使用方法及利用二次检索缩小搜索结果范围的方法.
二,实验内容
1.从网上检索2003年诺贝尔和平奖获奖者在颁奖仪式上的演讲辞.
2.从网上检索有关发现生物病毒的文章.
三,回答问题
1.在百度搜索的步骤1里不加引号的关键字搜索与步骤2里加引号的关键字的搜索有何区别
答:不加引号的关键字搜索结果范围比加引号的关键字搜索的范围大
不加引号的关键字搜索 给出的搜索结果中的查询词,可能是拆分的,给查询词加上双引号,给查询词加上双引号,就可以不拆分查询词
2.请用类似的方法找一份其他的诺贝尔获奖者的演讲稿.

奥巴马获诺贝尔和平奖的获奖感言
Well, this is not how I expected to wake up this morning. After I received the news, Malia walked in and said, "Daddy, you won the Nobel Peace Prize, and it is Bo's birthday!" And then Sasha added: "Plus, we have a three-day weekend coming up." So it's good to have kids to keep things in perspective.
I am both surprised and deeply humbled by the decision of the Nobel Committee. Let me be clear: I do not view it as a recognition of my own accomplishments, but rather as an affirmation of American leadership on behalf of aspirations held by people in all nations.
To be honest, I do not feel that I deserve to be in the company of so many of the transformative figures who have been honoured by this prize - men and women who have inspired me and inspired the entire world through their courageous pursuit of peace.
But I also know that this prize reflects the kind of world that those men and women, and all Americans, want to build - a world that gives life to the promise of our founding documents. And I know that, throughout history, the Nobel Peace Prize has not just been used to honour specific achievement; it's also been used as a means to give momentum to a set of causes. And that is why I will accept this award as a call to action - a call for all nations to confront the common challenges of the 21st-century.
These challenges can't be met by any one leader or any one nation. And that's why my administration has worked to establish a new era of engagement in which all nations must take responsibility for the world we seek...

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