Just as rock and roll ______ from a combination of music styles, it developed into many different forms.
A. originated
B. emphasized
C. consisted
D. reigned
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The reason for the _______ of vocabulary may be that the TV takes up a lot of time kids once spent on reading.
A. increase
B. decrease
C. proliferation
D. speacialization
Hollywood is located in California.
A. 对
B. 错
The reason why the world is stuck on Elvis is he sympolizes American myth.
A. 对
B. 错
Buddy Bolden is the greatest and most well known jazz musician.
A. 对
B. 错