英语变ing口诀（英语单词Presumably用法的实例解析）
英语变ing口诀（英语单词Presumably用法的实例解析）可汗阅读Science L2P9（The Reading Brain in the Digital Age: The Science of Paper versus Screens）在上段中，科学家对一种已经灭绝的鸟（Haast's eagle）曾经的生活状态进行研究，由于没有真的见过这种鸟用翅膀捕猎，所以需要使用presumably。简单地说，presumably几乎等于possibly或probably，表示“很可能”，并在SAT阅读科学类文章中扮演着重要的角色。可汗阅读Science L4P1（Ancient DNA Tells Story of Giant Eagle Evolution）Though Haast's eagle could fly—and presumably used its wings to launch brutal attacks on the haple
上期我们重点剖析了discretion这个既重要又偏难的词，今天我们来探究Presumably在SAT阅读中的用法和考法。
这是一个看上去不太“友好”但其实很“平易近人”的词，它由动词presume（推测、假定、料想）变化而来。
以下是Longman Dictionary of Contemporary English释义：
If you say that something is presumably the case you mean that you think it is very likely to be the case although you are not certain.
简单地说，presumably几乎等于possibly或probably，表示“很可能”，并在SAT阅读科学类文章中扮演着重要的角色。
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可汗阅读Science L4P1（Ancient DNA Tells Story of Giant Eagle Evolution）
Though Haast's eagle could fly—and presumably used its wings to launch brutal attacks on the hapless moa—its body mass (10–14 kilograms) pushed the limits for self-propelled flight.
在上段中，科学家对一种已经灭绝的鸟（Haast's eagle）曾经的生活状态进行研究，由于没有真的见过这种鸟用翅膀捕猎，所以需要使用presumably。
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可汗阅读Science L2P9（The Reading Brain in the Digital Age: The Science of Paper versus Screens）
When under pressure to read quickly students using computers and paper performed equally well. When managing their own study time however volunteers using paper scored about 10 percentage points higher. Presumably students using paper approached the exam with a more studious frame of mind than their screen-reading peers and more effectively directed their attention and working memory.
这里，作者对阅读电子书和纸质书的两种学生的表现差异提出了一个解释，并没有以十分肯定的语气下定论，而是加上presumably使表述更为严谨。
下期期再会
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