学习过程中，学习者通过对重点内容圈点批注的方法帮助记忆，这种学习策略属于（ )

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31726' and id < 2538876 and id<>'2538876' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31726' and id > 2538876 and id<>'2538876' order by id asc limit 5