雅思大作文7分范文：人类应该和外星人联系

　　题目：

　　Many scientists believe that intelligent life forms may exist on other planets and some want to send messages into space to contact these life forms.Other scientists think this is a bad idea because these life forms could be dangerous.Discuss both these views and give your own opinion.

　　Give reasons for your answer and include any relevant examples from your own knowledge or experience.

　　Write at least 250 words.

　　许多科学家认为在其他星球上存在着智慧生物，人类应该向宇宙发送信息与这些生物进行沟通；其他科学家认为这是一个馊主意因为这些生物可能给人类带来威胁。双边讨论并给出自己观点

　　机经版本：老题（V20161013）

　　题目类型：双边讨论

　　提纲：正方-外星人帮助科技进步、这种尝试是科技探索-人类提升自身的技能点

　　反对：威胁人类-弱肉强食

　　话题：科技

　　范文分数：7分

　　Mankind have been actively seeking out foreign life via transmitting pre-emptive signals to the vast universe for decades.While the presence of extraterrestrial beings has not been confirmed,it is never wise,in my opinion,to present the existence of human life to the universe.

　　Scientists going for proactive contact with outer space are confident in positive consequences for our race.They believe,if this ambition realized,our civilization can profoundly and positively benefit from message recipients as whoever can reply or trace it certainly stands on an equal or higher position in technological progress.Presumably,the respondent or the visitor will have inter-planetary intercourse with good intention,which accelerates our technology rapidly and enables our cosmic era.As well as this hope,this action also indicates the desire in universal exploration and as the means of this communication varies through time and technological advancement,humans will eventually colonize other planets,solving global issues by expanding territories and obtaining immense resources.

　　However,despite both lures mentioned,this could be a fatal threat to Earth.When Christopher Columbus arrived America,that never turned out well for the natives.In fact,as long as two civilizations have encountered with each other,the superior one is highly likely to colonize the lesser developed one via warfare or cultural assimilation,and once natural resources are involved,physical conflicts become unavoidable.In this scenario being discussed,human kind is probably the natives.

　　In conclusion,it would be irrational to count on aliens whose hostility may never be predicted and the dominant race on earth must only rely on itself in exploring the deep space.

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