Having written a book on rock music and a book on jazz music, and now writing a book __31__ the classical music of the 20^th century, I felt the __32__ to put somewhere the music that does not quite fit __33__ of these kinds of music. I also felt that I needed to research the beginning of the popular music in Western Europe and the USA in order to __34__ understand the change of the jazz and rock music. I also felt that ethnic music has become so __35__ that one should research the development from Western European and USA music. This book aims at __36__ all these gaps (差异). I did my best to give it a systematic feeling, although it is clear that musicians from such different parts of the world had very __37__ in common. Only after the joining together of the 1907s can we __38__ of a worldwide history of popular music. This book is about the __39__ of that formation (形成).
It was not very difficult to decide how to __40__ jazz music from pop music. It was much more __41__ to decide how to separate rock music __42__ the rest of popular music, because rock music has taken in just about everything. Pieces of this book were firstly written for my 2003 books on rock music. __43__ that happened after the 1960s will be in the book on rock music. The __44__ is that you should read this book first, then the __45__ of jazz music and the history of rock music.

A．in B．on C．to D．for

A．need B．change C．music D．book

A．neither B．both C．either D．all

A．good B．well C．worse D．better

A．good B．bad C．popular D．nice

A．filling B．breaking C．forming D．making

A．few B．little C．large D．much

A．talk B．find C．tell D．say

A．reason B．middle C．ending D．beginning

A．separate B．divide C．cut D．take

A．difficult B．wonderful C．important D．necessary

A．between B．from C．to D．into

A．Thing B．Nothing C．Anything D．Something

A．situation B．question C．problem D．idea

A．story B．history C．beginning D．difference