2019年6月16日托福综合写作解析及参考范文

发布时间:2019-06-19 15:21

今天上海新航道托福培训小编为大家带来的是2019年6月16日托福综合写作题目+解析+参考范文,一起来看看吧!

阅读:用GM mosquito来wipe out aedes aegypti mosquito

1. 其他蚊子数量会增加

2. GM mosquito叮咬很危险

3. 对ecosystem有害

听力:反驳。

1. 实验表明不会对其他蚊子有影响,以Asian tiger mosquitoes为例

2. 只有female mosquito才叮咬,而引进的都是males

3. 阅读中的观点需要使用新的方法验证;而GM蚊子可以代替toxic pesticide,所以对ecosystem有积极的影响

话题分类:生物类

解题思路:点的举例说明是常见的听力反驳方法;第二点的性别信息很容易被听到;第三点涉及到poisonous和pesticide是农业或者生物类重点词汇,所以难度不大。

2019年6月16日托福综合写作参考范文:

The author and the lecture discuss the topic related to the introduction of genetically modified mosquitoes. While the writer insists on the adverse effect genetically modified mosquitoes may exert, the lecturer believe that the arguments made in the reading are not reasonable.

One reason for the author opposing genetically modified mosquitoes is their impact on other types of mosquitoes. However, the professor cites the example of Asian tiger mosquitoes to clarify the little effect GM mosquitoes may have. Although the Asian tiger mosquito carries dengue, the amount of dengue, according to the experiment, stays the same after the introduction of this species.

In addition, the writer states that the bite of GM mosquito is dangerous. In fact, according to the professor, only female mosquitoes bite people instead of males ones. The GM mosquitoes introduced domestically are all male.

Finally, the author mentions that the ecosystem is influenced by the GM mosquito. This is also rebutted by the professor who claims that no evidence could be given to support its adverse influence on ecosystem. The effect of isolation asserted in the reading asks for the new method to prove. Besides, genetically modified mosquitoes would take the place of poisonous pesticides and insecticides. Consequently, the impact of GM mosquitoes on ecosystem can be considered as positive.

 

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