在各位
综合写作
话题分类
环境类
考题回忆
1-总论点：海洋吸尘器十分有效，并且不会对环境有危害。
2-阅读部分
分论点一：成本不高。
分论点二：对海洋生物影响小
分论点三：还能回收塑料
3-听力部分
总论点：三个好处并不存在
分论点一：海水有腐蚀性会毁掉装置，需要维修。而且需要几百个装置才能清理掉，并不省钱。
分论点二：浮游生物会被清除，影响生物链。
分论点三：回收之前要把混合的塑料碎片分离，还有一些附着在塑料表面的生物需要清除。
解题思路
论述清楚阅读总观点和分论点，以及听力分论点以及反驳细节。
参考范文
The article discusses that the ocean cleanup array is effective to clean the plastic in the ocean, while the lecture disputes this ideas with the following proofs.
First, the writer in the reading passage holds that the cost of this kind of cleanup array is low. However, the professor disagree with it , because the device in the ocean is easily destroyed, and it needs frequently repair, as a result of which the fees of repair are high. In addition, 500 equipment should be installed in the ocean, which should be leaned every year, so the all-in cost will be high.
In addition, in the material , the writer believes that there is no adverse impact on other ocean organism. While in the lecture, the speaker deems that the idea in the passage does not hold the water. The plankton will be affective largely. Because the plankton will be sucked in the device together with the current , the number of the plankton will be decreased largely. In addition ,they are the food of ocean organism, so they will exerts an adverse impact on the food chain of ocean organism.
Finally, it is depicted in the material that it can recycle the plastic. On the contrary, the professor holds that this is not true.It has some problem with the recycle. Because the material absorbed by the device in mixture of several materials. if we what to take advantage of those material, we have to depart them, which needs a lot of money. In addition, the clean of the material attached in the surface of certain material needs abundant of money. Given the cost, lots of the recycle stations are unwilling to recycle the fragments absorbed by the ocean cleaner.
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