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【单选题】
用氧化剂滴定还原剂时，如果有对都是可逆电对，则滴定百分率为50%处的电位是（ ）电对的电位。A.
滴定终点
B.
氧化剂
C.
还原剂
D.
无法判断
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举一反三
【单选题】This is Tiger Woods, and you can Woods. [ ]
A.
call him
B.
call he
C.
call for him
D.
call on him
【单选题】在一个工作表中,利用记录单删除记录与用删除行命令记录不同之处是,用记录单删除记录,( )。
A.
不仅删除数据清单中该记录的所有单元格,而且删除数据清单之外的单元格;用删除行命令时,仅删除数据清单中该行的记录的所有单元格,数据清单之外的单元格不受影响
B.
仅删除数据清单外该记录的所有单元格,数据清单中的单元格不受影响;用删除行命令时,该行所有单元格全被删除
C.
仅删除数据清单中该记录的所有单元格,数据清单之外的单元格不受影响;用删除行命令时,该行所有单元格全被删除
D.
记录所在行的所有单元格全被删除;用删除行命令时,仅删除数据清单中该行的记录的所有单元格,数据清单之外的单元格不受影响
【单选题】The goods shipped already if your L/C had arrived in time.A. would be B. must have been C. had been D. would have been
A.
woud be
B.
must have been
C.
had been
D.
would have been
【简答题】绘制“取回由删除命令所删除的对象”的快捷命令是 ,命令行是 。
【单选题】Some individuals would therefore not have been caught, since no baited hooks would have been available to trap them, leading to an underestimate of fish stocks in the past.
A.
would not have been caught
B.
would have been
C.
to trap
D.
leading
【简答题】A.had been used B.are used C.would be used D.would have been used
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