关于摇滚

　　Questions 47 to 56 are based on the following passage.

　　Rock and roll is a genre of popular music that evolved in the United States in the late 1940s and early 1950s. Its 47 lie mainly in blues, rhythm and blues, country, folk, gospel, and jazz. The style subsequently spread to the rest of the world and developed further, leading ultimately to 48 rock music.

　　The term “rock and roll” now covers at least two different meanings, both in common usage. The American Heritage Dictionary and the Merriam-Webster Dictionary both 49 rock and roll as synonymous with rock music.

　　50 , Allwords.com defines the term as referring specifically to the music of the 1950s.

　　Classic rock and roll is 51 played with one or two electric guitars, a string bass or an electric bass guitar, and a drum kit. In the 52 rock and roll styles of the late 1940s, either the piano or saxophone was often the lead instrument, but these were generally 53 or supplemented by the guitar in the middle to late 1950s.

　　The massive popularity and eventual worldwide view of rock and roll gave it a 54 social impact. Far beyond simply a musical style, rock and roll, as seen in movies and in the new medium of television, 55 lifestyles, fashion, attitudes, and language. It went on to spawn various sub-genres, often without the initially 56 backbeat, that are now more commonly called simply “rock music” or “rock”.

　　A) define I) followed B) characteristic J) modern

　　C) unique K) explanation D) roots L) Conversely

　　E) usually M) replaced F) Basically N) prepare

　　G) earliest O) seldoH) influenced

　　Section A

　　47. D)。此处需要一个名词。此处讲的是摇滚主要植根于布鲁斯、节奏布鲁斯、乡村音乐、民歌、福音歌以及爵士乐。

　　48. J)。此处需要一个形容词。参见上题解析可知，摇滚最终发展为现代的摇滚音乐。

　　49. A)。此处需要一个动词。根据前面出现的两个词典给出的解释及后面的内容可以推断，这里是对摇滚进行定义。

　　50. L)。此处需要一个副词。根据上下文可知，ALLwords.com与前两个词典的定义不同，它将摇滚定义为20世纪50年代的音乐而不是现代音乐。

　　51. E)。此处需要一个副词。根据上下文可知，古典摇滚乐通常由如下乐器合奏：一两把电吉他;一个弦贝司或电贝司;一组架子鼓。

　　52. G)。此处需要一个形容词。根据下文出现的1940s这个时间可知，这里讲的是20世纪40年代末期出现的最早的摇滚风格。

　　53. M)。此处需要一个动词。根据下文“or supplemented by the guitar”可知，钢琴与萨克斯风这些早期主打乐器被20世纪50年代中后期的吉他所取代或补充。

　　54. C)。此处需要一个形容词。根据上下文可知，摇滚对社会产生的影响是独特的。

　　55. H)。此处需要一个动词。此处讲的是，除了音乐风格，在电影及电视媒体里均可见摇滚对生活风格、流行、态度及语言的影响。

　　56. B)。此处需要一个形容词。此处讲摇滚继续发展成各种不同的类型，一般都没有摇滚乐初期特有的强节奏基调。