Section B

　　Compound Dictation

　　Directions:In this section,you will hear a passage three times.When the passage is read for the first time,you should listen carefully for its general idea.Then listen to the passage again.When the passage is read for the second time,you are required to fill in the blanks numbered from S1 to S7 with the exact words you have just heard.For blanks numbered from S8 to S10 you are required to fill in the missing information.You can either use the exact words you have just heard or write down the main points in your own words.Finally,when the passage is read for the third time,you should check what you have written.

　　Never before have so many people applied such abstract (S1)_to so great a variety of problems.To meet the demands of industry,technology,and other sciences,mathematicians have had to invent new(S2)_of mathematics and expand old ones.They have built a superstructure of fresh ideas that people trained in the(S3)_branches of the subject would hardly recognize as mathematics at all.(S4)_mathematicians have been grappling successfully with the world's problems at a time,curiously enough,when pure mathematicians seem almost to have lost touch with the(S5)_world.Mathematics has always been abstract,but pure mathematicians are pushing abstraction to new limits.To them mathematics is an art they(S6)_for art's sake,and they don't much care whether it will ever have any(S7)_use.(S8)_By applying its concepts to worldly problems,the mathematicians can often(S9)_.Celestial mechanics,for example,enables astronomers(S10)_.

　　answers:

　　1.A 2.B 3.A 4.C 5.B 6.A 7.B 8.A 9.C 10.C

　　S1.mathematics

　　S2.branches

　　S3.classical

　　S4.Applied

　　S5.real

　　S6.pursue

　　S7.practical

　　S8.Yet the very abstractness of mathematics makes it useful.

　　S9.brush away the obscuring details and reveal simple patterns.

　　S10.to calculate the positions of the planets at any time in the past of future and to predict the comings and goings of comets