证券资产不能脱离实体资产而独立存在,因此,证券资产的价值取决于实体资产的现实经营活动所带来的现金流量。( )
参考答案:错
计算:(x+2)(x﹣2)=( ).
(l) < html >(2) < title > my home page </title >(3) <head>(4) < body bgcolor = "#FFFFFF"text = "#000000" >(5) <! --thisisaexample>(6) < frameset rows = "50,50" >(7) < frame src= "filel. htm">(8) < frameset cols = "50,50" >(9) < frame src = ’,file2. htm" >(10) < frame src = "file3. htm" >(11) -->(12) </frameset>(13) </body>(14) </head>(15) </html>