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  3. This book is written expressly for students in an attempt to present the material that is most useful and interesting to them. P

This book is written expressly for students in an attempt to present the material that is most useful and interesting to them. P

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问题     This book is written expressly for students in an attempt to present the material that is most useful and interesting to them. Previous courses in chemistry are not necessary for the understanding of the material, although those students who have had high school chemistry will find that a review of the inorganic section will better enable them to master the organic and biochemistry sections that follow.  
    The author has felt that in the past there was an improper selection of material from inorganic, organic, and biochemistry in the majority of the textbooks of chemistry for nurse. The tendency has been to develop the inorganic chemistry to such an extent that organic and biochemistry is covered too briefly. The recent advances in biochemistry and their widespread application to the practice of medicine and nursing have considerably altered the situation. Not only is biochemistry more closely allied to the practical chemistry of medicine and nursing but also it is of more interest to the student.  In the author’s experience the response to biochemistry has always been more favorable than to the other sections. Within the brief period allotted to chemistry, therefore, the sections on inorganic, organic, and biochemistry should be so arranged that a good share of the time is spent in the study of biochemistry. This book presents mainly those fundamentals of inorganic and organic chemistry that are necessary for the understanding of the section on biochemistry.  
    The fundamental points suggested in the Curriculum Guide are included in the book, with some additions in the biochemistry section. The author feels that a study of urine, vitamins, nutrition, and hormones is so obviously a part of biochemistry that at least the fundamentals should be included in this course.  
    The book has been planned in such a way that it may be adapted to various courses in chemistry. The material suggested by the Curriculum Guide is covered in the first nineteen chapters and may be used in accelerated courses or where minimum time is allotted to chemistry. When the time allotted to the course is sixty to ninety hours, the entire contents of the book may be used to advantage. While the book has been written especially to fit the needs of Schools of Nursing, it could readily be applied in instances where students are required to take but one course in chemistry.  
    The apathetic attitude of nonprofessional students toward a course in inorganic chemistry may well be overcome by the proper presentation of material selected from inorganic, organic, and biochemistry.  
The purpose of this book is______.
选项 A、to provide students with helpful and interesting material
B、to preface the Curriculum Guide with a brief account of biochemistry
C、to present inorganic and organic chemistry in details
D、to raise nonprofessional students’ interests in chemistry
答案A
解析 文章第一段就说明了写作目的：此书是以提供最有用和最有趣的材料为目的而特意为学生编写的。因此答案是A；文章第三段首句的意思是该书包括了《课程指导》中提出的基本点，并不是说该书是《课程指导》的序言，所以B不正确；该书更重视生物化学，所以排除C；由文章倒数第二段末尾处可知该书是针对护理学校学生编写的，非专业学生可以选修，所以D不准确。   
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