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关于铁质施肥是否有效及是否会对当地生态造成破坏。
来源:大陆
分类:Environment
属性:核心预测
阅读要点
1. Iron fertilization
1. Not efficient, in experiment, only few carbon dioxide could be absorbed..
2. Produce toxic chemical materials which will harm the local fish industry. Human beings will be harmed also if they eat those fish
3. Cause bad impact to ocean biology system. Damage ocean’s bio-system balance.
听力要点
1. Experiment is too short, only for 1 month. Actually, the 2nd and 3rd month, absorption of carbon dioxide will gradually increase. Most of CO2 are consumed in the last month. Which cannot be observed in the short experiment.
2. Only limited area will generate these toxic materials. Stop to use this method in those area them.
3. global warming’s risk is greater than Regional Ocean’s bio-system risk. So we should concern more about global warming.
范文
The reading and listening both discuss iron fertilization. However, what the listening states is quite different from the main idea in the reading.
First, in the reading it is said that iron fertilization is nor efficient in experiment for only a few carbon dioxide1 could be absorbed. Nevertheless, the speaker shows the opinion that the experiment is too short, only for 1 month, at the 2nd and 3rd month , the absorption of car
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