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Narrator Listen to part of a lecture in a biology class. Now get r
Narrator Listen to part of a lecture in a biology class. Now get r
游客
2024-01-04
2
管理
问题
Narrator
Listen to part of a lecture in a biology class.
Now get ready to answer the questions. You may use your notes to help you answer. [br] What is the general style of this professor’s talk?
Professor
When Charles Darwin published The Origin of Species in 1859, the first edition sold out overnight. His revolutionary theory of evolution was of interest not only to his fellow scientists, but to great numbers of ordinary people, who avidly read The Origin and argued over the details of the theory.
Today, public interest in biology is even greater. When a previously unknown Scottish biologist cloned the first mammal, a sheep, in February of 1997, the story made front-page headlines all over the world and sharply increased the value of biotechnology stocks overnight.
Biology is a discipline in full flower. Biologists now have the capacity to understand the workings and the interactions of organisms and—at the cellular level—to alter them, almost at will. Biologists have bred new crops, discovered the frailties and strengths of precious ecosystems, developed new treatments for diseases, and begun to solve many puzzles of the human mind.
Spectacular as these developments are, they are a mixed blessing for instructors and their students. The sheer number of facts can be overwhelming. How, for example, can we remember the difference between a missense mutation and a nonsense mutation? Between a plasmodia slime mold and a cellular slime mold? And, more importantly, why should we care?
Yet, to make even the simplest decisions in the 21st century you will need to understand how science works and, at least, the bare basics of biology. If you are sick, should you take an antibiotic? If one of your parents has a genetic disease, should you be tested for the disease- causing allele? If the vacant lot down the road is to be turned into a playing field, should the creek that runs through it be preserved? Is there any harm in running the creek through an underground, concrete culvert? The answers to all of these questions and hundreds of others depend on the ability to understand and evaluate scientific arguments.
The greatest barrier to understanding science is the common misperception that science is inaccessible to ordinary folks. We know that it is accessible. It’s about asking questions, getting a partial answer, and then asking further questions.
选项
A、It is full of specialized vocabulary.
B、It is a casual speech aiming to familiarize the audience with a new course.
C、The professor wants to establish the new course in a friendly style.
D、It is like storytelling, interesting and easy to follow.
答案
B
解析
本题为组织结构题,要求考生能够辨认出讲话内容的要点、细节和例证,注意到表示介绍、结论、话题转换的语言提示,并能够察觉到离题话和插入话,从而把握讲话内容的组织结构。题目问:教授讲课的总体风格是怎样的?A项说充满了专业术语;B项说是随意的讲解,使大家熟悉新课程;C项说以友好的方式开新课;D项说像讲故事一样,有趣且容易听懂。通过对本讲座内容组织结构的分析和整体风格的把握,不难发现B项为正确答案。
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