单项选择题

A．involved
B．contained
C．covered
D．observed
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单项选择题
A．printingB．publishingC．printedD．published
A．printing
B．publishing
C．printed
D．published
单项选择题
A．readinessB．preparationsC．preoccupationD．preparedness
A．readiness
B．preparations
C．preoccupation
D．preparedness
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