各单位开展会计电算化工作，必须经过财政部门的批准。 ()
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According to the author, the truly effective measures are
A. clear thinking and clearly worded policies.
B. policies that lawyers and politicians can understand.
C. measures that can be understood by the public.
D. measures that people feel safer by taking rapid and visible action.
A．actsB．actionsC．operationsD．transactions
A. acts
B. actions
C. operations
D. transactions
慢性心房颤动伴二度房室传导阻滞者，应首选的起搏器型号是
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