本文托福综合写作题目为通风开采是否合理(2016年9月3日托福考试写作)
| 托福综合写作Topic 议题：whether vent mining is reasonable | ||
| Reading | Listening | |
| Thesis 总论点 | The reading points out three reasons why vent mining is advisable. | Refute the three explanations mentioned in reading passage. |
| Sub-point 1 分论点1 | The first reason is that some rare metal will be excavated. | Under the current technology, metal cannot be separated from sediment, and then transported. |
| Sub-point2 分论点2 | Secondly, unique sea organism will not be damaged, for theexcavation works are conducted two kilometer away from the vent. | The harmful chemical will spread, thus even the excavation works are conducted far way, sea organisms will still be influenced. |
| Sub-point 3 分论点3 | Laws and agencies will help to manage and regulate vent mining, which will prevent the harmful effects vent mining causes. | Vent mining is conducted off the coastline, where laws are invalid. |
托福综合写作范文Sample answer:
The reading and listening discuss about whether vent mining is reasonable. The reading points out three reasons why vent mining is advisable. Whereas, the professor totally refutes the three points presented in the passage.
Firstly, the professor rebuts the reading’s first reason that some rare metal will be excavated by claims that under the current technology, metal cannot be separated from sediment, and then transported.
According to the reading material, unique sea organism will not be damaged, for the excavation works are conducted two kilometers away from the vent. The professor mentions that the harmful chemical will spread, thus even the excavation works are conducted far way, sea organisms will still be influenced.
At last, reading material point out that laws and agencies will help to manage and regulate vent mining, which will prevent the harmful effects vent mining causes. However, the professor explains that Vent mining is conducted off the coastline, where laws are invalid.
推荐阅读：