单选题 The author of the book hopes that by reading the book, the reader can______

A、 be more proficient in mastering mathematical knowledge
B、 be more proficient in applying his mathematical knowledge to real problem solving
C、 have a better understanding of the various uses of mathematical models
D、 fined real excitement and satisfaction in solving problems

【正确答案】 B

【答案解析】[考核题型] 细节题
[解析] 该题答案可从第四段总结出。