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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【多选题】关于使用总账系统制单，下列描述中正确的有（ ）。
A.
可查看任意科目的最新余额
B.
可控制操作员使用科目的权限
C.
凭证可按任意格式的文本文件引入和引出
D.
不能修改和删除其他子系统生成的凭证
【单选题】The Fisherman and the bearOne fine day, an old man was fishing and caught nothing. Finally, he gave up and walked back along the shore to his shack（窝棚）. When he got close to the front door, he saw it ...
A.
It held the paw out over the water.
B.
The bear jumped and ran out of the door.
C.
He walked to the door quietly and looked inside.
D.
The bear was gone and had left six large fish for him.
E.
The bear often came to the old man's shack to get honey.
F.
Every time a fish jumped after his paw the bear hit it ashore.