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在财务管理中，证券投资与项目投资均属于投资，区别在于投资的对象不同。 ( )
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pH值为8的溶液的氢离子浓度是1.0×10-8mol/L。
下面程序的输出结果为( )。 #include＜iostream.h＞ class CStatic public： CStatic()val++； static int val； ； int CStatic：：val=0； void main() CSatic cs1； cout＜＜cs1．va1＜＜""； CStatic cs2； CStatic cs3,cs4； cout＜＜cs2．val＜＜end1；
有些指示剂与金属离子形成的络合物在水中的溶解度太小，使得滴定剂EDTA与该络合物的交换反应太慢，而使终点拖长，这种现象叫指示剂的僵化。
My grandfather used to have a beautiful gold pocket watch．He wore it on a fine gold chain across the front of his waistcoat，and when 1 was small he promised to leave it to me in his will．“When I’m gone，”he said，“this is going to be yours．”Unfommately that will never happen now．About three months ago，my grandfather came up to London to visit US．The first Sunday morningafter he arrived，my youngest son said he wanted to go to the park．“We’11 do better than that．”said my grandfather, "we’ll go and feed the pigeons in Trafalgar Square." So off they went. Theygot home about teatime and my grandfather was looking very upset. "My watch," he said, "it’sgone. Someone must have stolen it while we were feeding the pigeons.\ Why did grandfather look upset Because his watch______
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