2016年9月3日
2016年9月3日托福综合写作范文
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.