问题
选择题
Modern forms of transportation and communication have done much to ________ the isolation(隔离) of life in Alaska.
A．break down
B．break out
C．break into
D．break through
答案
答案：D
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Modern forms of transportation and communication have done much to ________ the isolation(隔离) of life in Alaska.
A．break down
B．break out
C．break into
D．break through
答案：D