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This book is dedicated (献给)to the students of the Social Intensive English Course conducted at Mingde University in Saskatoon between October, 2000 and July, 2001. It was at their suggestion that this book came into being, and it was their hard work and serious attention to every detail of each until as it was being written which made the book possible.
We sincerely hope that both teachers and students will take seriously the task of sending us comments on your teaching and learning experiences and criticism of those aspects of the test that are good and useful, and those that fail to meet the stated purpose of the book and need to be revised for a second edition.
We should also like to express our thanks to our editor, Liu Huamin, for his patience and his careful editing and design work, and Song Lihui who patiently sat through our endless discussions of every line of the test.
Special thanks go to Helen Armstrong for her cri

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 i
A. chemistry as a whole
B. biochemistry
C. inorganic chemistry
D. organic chemistry