but
however
such as
on the one hand
on the other hand

Blending Music to Make Rock 'n'Roll

     People disagree about who invented rock 'n' roll, (1) __________ everyone agrees that it vitalized the recording industry. (2) __________, some say that Louis Jordan's rhythm and blues music of the 1940s was rock 'n' roll. (3) __________, people argue that Bob Wills and his Texas Playboys' western swing of the 1930s was the root of rock 'n' roll. Other influences include urban blues singers (4) __________ T-Bone Walker, who adopted Les Paul's solid-body electric guitar during the late 1940s. Elements of gospel music can also be heard in early rock 'n' roll. Without question, (5) __________, rock 'n' roll was born in the deep South, and it emerged from rhythm and blues. By living in the South, young musicians were able to hear black R&B and white hillbilly music that formed the core of rock 'n' roll.

—Adapted from Folkerts and Lacy, The Media in
Your Life, 2nd ed., pp. 253–54

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		B. Choose the appropriate thought pattern for each item below. 6. "Acid rain" is a broad term used to describe several ways that acids fall out of the atmosphere. Acid rain can be divided into two types: wet and dry.    a. definition   b. comparison and contrast   c. cause and effect
		7. On the one hand, wet acid rain or acid disposition refers to rain, fog, and snow.    a. definition   b. comparison and contrast   c. cause and effect
		8. On the other hand, dry acid rain refers to dry acidic gases and particles.    a. definition   b. comparison and contrast   c. cause and effect
		9. Acid rain affects how far and clearly we can see through the air.     a. definition   b. comparison and contrast   c. cause and effect
		10. In addition, acid rain damages forests and soils, fish and other living things, materials, and human health. "Acid Rain," U.S. Environmental Protection Agency. 22 Jan. 2004     a. definition   b. comparison and contrast   c. cause and effect