The act of paraphrasing is also called paraphrasis as it is a restatement of the meaning of a text or passage using other words.
同义替换，顾名思义就是用不同的表达来替换相同的意思。同义替换 Paraphrasing 可以分为以下三种类型：
- 单词 Word
- 短语 Phrase
- 句子 Sentence
同义替换 – 单词篇
Statement: The survey concluded that one—fifth or 20% of the household transport requirement as outside the local area.
Original text: 80% was within the locality.
Statement: Monkeys were less likely to become diabetic.
Original text: and they have more normal blood glucose levels(pointing to a reduced risk for diabetes, which is marked by usually high blood glucose levels).
难度系数 ★ ★
Statement: Over 2000 years ago, kites were used in Chinaas weapons, as well as for sending
Original text: the Chinese were using them to deliver messages…
Statement: One of the brain’s most difficult tasks is to
A. react to their own thoughts
B. helped create language in humans
C. respond instantly to whatever is happening
Original text: Making a rapid emotional assessment of the events of the moment is an extremely demanding job for the brain, animal or human.
同义替换：most—extremely; difficult—demanding; task—job
难度系数 ★ ★ ★
上义词指的是相对概括抽象的词，而下义词则指的是相对具体的词。举例来说，动物animal是上义词，而fox, snake, kangaroo就是下义词。
Statement: Studies show drugs available today can delay the process of growing old.
Original text: As researchers on aging noted recently, no treatment on the market today has been proved to slow human aging –the build-up of molecular and cellular damage that increases vulnerability to infirmity as we get older.
同义替换：drug—treatment, delay the process of growing old—slow human aging
难度系数 ★ ★ ★
Statement: how AI might have a military impact.
Original text: HNC claim that their system based on a cluster of 30 processors, could be used to spot camouflaged vehicles on a battlefield or …
难度系数 ★ ★ ★ ★
Statement: What makes sticky insects feet special is the fact that they can also detach themselves easily from a surface.
Original text: There are lots of ways to make two surfaces stick together, but there are very few which provide precise and reversible attachment
同义替换：detach—reversible attachment (detach-attach)