Ask yourself whether the resource meets your needs，and try to work out if it will give you the right amount of knowledge.If you think that the resource isn't ideal，don't waste time reading it.

　　Remember that this also applies to content that you subscribe to，such as journals or magazines－don't be afraid to prune these resources if you are not getting value from some publishers.现在重读一遍上文这次只读每段的第一句。请读下面的四句话： your needs，and try to work out if it will give you the right amount of knowledge.

　　Remember that this also applies to content that you subscribe to，such as...

　　其实只需要读这四句话(每个段落的第一句)你就已经知道了本文的大意。

　　阅读下列这些段落找出每段的主题句或中心思想。ferent_styles_of_reading_for_different_situations．The technique you choose will depend on the purpose of reading.For exampleing on your purpose.

　　2．Skimming_is_used_to_quickly_identify_the_main_idea_of_a_text.When you read the newspaper，you're probably not reading it word by word，instead you're scanning the text.Skimming is done at a speed three to four times faster than normal reading.People often skim when they have lots of material to read in a limited amount of time.Use skimming when you want to see if an article may be of interest to you.

　　3．There_are_many_strategies_that_can_be_used_when_skimming.Consider reading the first sentence of each paragraph.This technique is useful when you're seeking specific information rather than reading for comprehension.Skimming works well to find dates，names and places.It might be used to review graphs，tables and charts.

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