If the gains from 2006 to 2009 are duplicated when the PISA is next given in 2012, the goal of making 25-point gains in math and science will be met far ahead of schedule.
如果2006到2009年的成绩增长在2012年下一届PISA测试中重现，实现数学和科学上增长25分的目标将远远提前。
If the gains from 2006 to 2009 are duplicated when the PISA is next given in 2012, the goal of making 25-point gains in math and science will be met far ahead of schedule.
如果2006到2009年的成绩增长在2012年下一届PISA测试中重现，实现数学和科学上增长25分的目标将远远提前。
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