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【单选题】
（）是会计信息化的保障，包括数据文件和会计规范。A.
会计人员
B.
硬件资源
C.
软件资源
D.
信息资源
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反馈参考答案：
举一反三
【单选题】成年人P-R间期正常值为 ( )
A.
0.05~0.20s
B.
0.12~0.20s
C.
0.08~0.20s
D.
0.09~0.22s
E.
0.15~0.25s
【单选题】The author suggested that people should eat more fruits, vegetables, and plant-based foods, eat less high-fat, high-calorie foods with insufficient nutritional value, stop smoking, exercise often and ...
A.
Y
B.
N
C.
NG
【单选题】Reforestation is forbidden in order not to reduce erosion and sediments in the rivers in some areas, otherwise 'dam-pond system' may have to be stopped.
A.
Y
B.
N
C.
NG
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