托福写作考试日期：

　　2018年03月10日

　　新托福写作题目回忆版本一：

　　考题回忆：总论点Amalgam should be prohibited in dental repairs

　　阅读部分：

　　1.Amalgam is harm to people’s health, which will invade in nervous system   and bring series of illness.

　　2. Mercury in Amalgam will drain into waterways, polluting rivers and   lakes.

　　3. There are substitutes of Amalgam, such as gold and ceramic.

　　听力部分

　　1.The recent study shows that with a small amount of mercury, human body   will not be harmed.

　　2.Most of dentists have a solution to prevent mercury from flowing into   sewer systems to pollute environment.

　　3. Mercury has lots of advantages.

　　新托福写作题目回忆版本二：

　　阅读：

　　用水银补牙不好：三个坏处

　　1. 有害健康

　　2. 有害环境

　　3. 有替代品

　　听力：

　　教授反驳

　　1. 对健康危害小因为大部分人有健康危害是因为那些人对水银过敏

　　2. 危害环境可以用一个separator解决

　　3. 替代品不好，因为口腔是湿的，正好水银很干。如果用金子去代替，太贵了，会给政府带来经济压力。

　　【考题解析】

　　从阅读观点逻辑分析，为“物品优劣”。阅读认为Amalgam(一种汞合金)应该在牙医行业中禁止使用，并论述了Amalgam三方面的缺点。听力逐一反驳，认为这些缺点可以避免同时还存在一些优点。

　　托福写作范文一：

　　The reading material believes that Amalgam should be prohibited in dental   repairs. However, the professor in the listening refutes the idea of the reading   and provides reasons from three aspects.

　　Firstly, the reading argues that Amalgam is harm to people’s health, which   will invade in nervous system and bring series of illness. By contrast, the   professor hold the view that the recent study shows that with a small amount of   mercury, human body will not be harmed. Furthermore, Those people who are   affected significantly as reading mentioned are allergic.

　　Secondly, the reading material gives another threat of Amalgam. Mercury in   Amalgam will drain into waterways, polluting rivers and lakes. However, the   lecture clearly indicates that most of dentists have a separator in their   offices, a kind of filter which can collect solid materials and prevent water   with mercury from flowing into sewer systems to pollute body of water.

　　Finally, the reading material insist that There are substitutes of Amalgam,   such as gold and ceramic. On the contrary, the professor refute with some   details. He says that mercury has lots of advantages. It can last longer than   other materials in human's wet mouth. Also, gold is expensive. It can increase   cost of dental by 12 billion dollars every year.

　　托福写作范文二：

　　The reading and the listening have a debate on whether amalgam should be used as a dental filling. While the reading claims that it should not be allowed, the listening refutes all three reasons mentioned in the reading.

　　First, the reading claims that amalgam may cause health problems. However, the listening argues that few people will absorb mercury fillings, so it will not be a problem. Also, only those who are allergic to mercury will suffer health problems.

　　Second, the reading believes amalgam will also lead to environmental pollution. However, according to the lecture, separators can be used to avoid such problems. When water that contains mercury passes through the separator, it can be filtered, so the mercury will not end up polluting the environment.

　　Finally, the reading suggests that alternative materials can be used to replace amalgam. However, the speakers dispels this suggestion by pointing out the fact that mercury can remain stable in wet environment like our mouths. Although gold, the suggested alternative, can remain stable in similar situations, it is too expensive. Using gold will drive the medication fee in America to a much higher level.

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