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雅思写作线图素材整理

更新:2023年01月05日 00:09 雅思无忧

雅思考试主要是通过对考生听、说、读、写四个方面英语能力的考核,综合测评考生的英语沟通运用能力,实现“沟通为本”的考试理念。对于雅思考生来说,也有很多考试难点和政策盲区需要帮助解答。今天雅思无忧网小编准备了雅思写作线图素材整理,希望通过文章来解决雅思考生这方面的疑难问题,敬请关注。
雅思写作线图素材整理

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  You should spend about 20 minutes on this task.

  Eating sweet foods produces acid in the mouth, which can cause tooth decay. (High acid levels are measured by low pH values)

  Summaries the information by selecting and reporting the main features, and make comparisons where relevant.

  Write at least 150 words.

  老师范文:

  The provided line graph illustrates the acid level in the mouth which is created by consuming sweet foods specifically sugar and honey and the possibility of tooth decay because of this acid level. As is presented in the line-graph, the higher the acid level the lower the pH value and a pH level less than 5.5 is detrimental to the tooth and causes the tooth decay.

  The given graph shows that the initial pH level of our mouth is 7 which begins to fall after consuming sweet foods. When we eat sweet item like cane sugar, the pH level drops to 3.5 after 5 minutes and remain in danger level (below pH level 5.5) for more than 30 minutes. Consuming fruit sugar drops the pH level nearly to 4 and remains at danger level for about 20 minutes. And finally, when we eat honey, the pH level falls below 5 and it remains under risk level for about 13 minutes. As the low pH level means higher acidity and causes tooth decay, cane sugar among the mentioned three food items is the most harmful to our tooth.(Approximately 186 words)

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