1、大学英语大学英语B分项练习分项练习阅读理解（多项选择）阅读理解（多项选择）p21666-70 What makes早就早就 a person a scientist?Does he have ways or tools工具工具 of learning(that are different from those=ways or tools of others)?The answer is“no”.It is not the tools a scientist uses but how he uses these tools that makes him a scientist.You will
2、probably很可能很可能 agree同意同意 that knowing how to use a power is important to a carpenter木匠木匠.You will probably agree,too,that knowing how to investigate调查调查,how to discover发现发现。information,is important to everyone.The scientist,however,goes one step further更远更远,he must be sure that he has a reasonable合理
3、的合理的 answer to his questions and that his answer can be confirmed确认确认 by other persons.He also works to fit使使符合符合 the answers（he gets to many questions）into a large set of ideas about how the world works.The scientists knowledge must be exact准确的准确的.There is no room 空间空间for half right or right just h
4、alf the time.He must be as nearly right as the conditions permit允许允许.What works起作用起作用 under one set of conditions at one time must work under the same conditions at other times.If the conditions are different,any changes（the scientist observes观察观察 in a demonstration表现）表现）must be explained解释解释 by the
5、 changes in the conditions.This is one reason that investigations调查调查,研究，实验研究，实验 are important who developed the Theory 理论理论of Relativity相对性相对性,arrived at this theory through mathematics数数学学.The accuracy准确性准确性 of his mathematics was later tested检检验验 through通过通过 investigations,and Einsteins ideas wer
6、e shown to be correct.A scientist uses many tools for measurements测量测量.Then the measurements are used to make mathematical数学的数学的 calculations计算计算 that may test his investigations.66.What makes a scientist according to the passage?A.The tools he uses.B.The way he uses his tools.C.His ways of learning
7、.D.The various不同的不同的 tools he uses.67.The underlined下划线下划线 part in the passage shows_.A.the importance of information B.the importance of thinking C.the difference between scientists and ordinary普通的普通的 people D.the difference between carpenters and people with other jobs 68.A sound 可靠的可靠的scientific
8、theory should be one that A.works not only under one set of conditions at one time,but also under the same conditions at other times B.does not allow any changes even under different conditions C.can be used for many purposes D.leaves no room for improvement 69.The author quotes引用引用 the case of Albe
9、rt Einstein to illustrate 说明说明 A.that measurements are keys to success in science B.that accuracy of mathematics C.that investigations are important in science D.that the mathematical calculations may test his investigations 70.What is the main主要的主要的 idea of the passage?A.The theory of relativity相对论相对论 B.Exactness准确准确 is the core核心核心 of science.C.Scientists are different from ordinary people.D.Exactness and ways of using tools are the keys to the making of a scientist.
