单项选择题

The element carbon is (widely) (found) (in nature) in many forms including both diamonds (as well as) coal.()

A. widely
B. found
C. in nature
D. as well as

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单项选择题
(Manufactures) use (both) chemical or (mechanical) methods to obtain (clear) glue.()

A. Manufactures
B. both
C. mechanical
D. clear
单项选择题
48()

A.got 
B.held 
C.gave 
D.turned
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