一、word study
　　transformation,originate,penetrating,take over,take on
　�、� transformation n.1、變化，轉(zhuǎn)化；2、改造，改革
　　His brain operation caused a great transformation in his character.
　　腦手術(shù)大大改變了他的性格。
　　The transformation of  a backward country  into  an  advanced country  requires  the  painstaking efforts of several generations.
　　將一個(gè)落后的國(guó)家改變?yōu)榘l(fā)達(dá)國(guó)家需要幾代人的艱苦努力。
　　The social and political transformation of a country is essential to the development of the society.
　　一個(gè)國(guó)家的社會(huì)和政治改革對(duì)社會(huì)的發(fā)展非常重要。
　　② originate vi./vt.發(fā)源；發(fā)生，發(fā)起
　　All theories originate from practice and in turn serve practice.
　　所有的理論都來(lái)源于實(shí)踐，并反過(guò)來(lái)為實(shí)踐服務(wù)。 The use of steam originated many other reforms. 蒸汽的使用引起了許多其它的革新。
　�、� penetrating
　　a.1、穿透的，貫穿的；2、深刻的，透徹的 They w alked against the penetrating w ind. 他們迎著刺骨的寒風(fēng)行走。
　　Her penetrating voice frightened the little boy.
　　她刺耳的嗓子把小男孩嚇壞了。
　　Swift’s w orks were most penetrating and pow erful.
　　斯威夫特的作品極為深刻有力。
　　④ take over
　　1、接管，接任；2、把。。。從一處運(yùn)到另一處
　　The young doctor has taken over duties of the old.
　　年輕醫(yī)生已接替了老醫(yī)生的工作。
　　When Mr.Green retired, his son took over the business from him.
　　格林先生退休后，由他兒子接管他的生意。
　　Mr.Brow n took me over to the island in his steamboat.
　　布朗先生用他的汽艇把我送到該島。
　�、� take on
　　1、具有，擔(dān)任（工作等）；2、雇傭
　　The disease took on some special characteristics.
　　那種疾病具有一些特殊的特征。
　　He has taken on a new job.
　　他已承擔(dān)了一項(xiàng)新工作。
　　The employer takes on twenty more w orkers.
　　那位雇主又雇傭了 20 名工人。
　　二、重點(diǎn)句型
　　1、新音樂(lè)是從已有的音樂(lè)中產(chǎn)生的。P1
　　The new music w as built out of materials already  in existence.
　　2、民間音樂(lè)，既有古老又有現(xiàn)代的，在大學(xué)生中頗為流行。P1
　　Folk music, old and modern, w as popular among college students.
　　3、他們自由地吸收爵士樂(lè)、美國(guó)鄉(xiāng)村音樂(lè)的成分。P2
　　They freely  took over elements from jazz, from American country music.