单项选择题

Benjamin Franklin was not the first to suggest the relationship between lightning and electricity, but his experiment with a kite was original.

A．define
B．confirm
C．examine
D．propose
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单项选择题
The outcry against the government’s policies will subside only if a compromise is reached in the assembly.
A．die down
B．succeed
C．proceed
D．be dislodged
单项选择题
In statistics, the mathematical mean is obtained by dividing the sum of a group of scores by the number of scores.
A．total
B．square
C．numerator
D．list
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