之前成都新航道的小编为考生们整理了雅思写作话题：人类应该尝试与外星人沟通吗？（上篇）今天成都新航道小编接着雅思写作话题：人类应该尝试与外星人沟通吗？（下篇），下面我们就一起看看吧！
A lot of people do not like the idea of sending messages to aliens"out there".According to their theory,trying to establish communication with other life forms is extremely expensive because it entails designing complex equipment and apparatus.This will consume tons of money,which should be spent solving more practical problems like medical care or education.More
importantly,as these people would claim,once they receive our messages and know about our existence,the aliens may invade the Earth and eliminate us all,just like what they do in many movies and science fiction.
（1）本段讨论种观点，即反对与外星人沟通。理由就是沟通需要成本，同时还很危险。
（2）本作文词汇方面的一大难题就是如何用不同的词来替
换“外星人”。这里使用了如下几个替换词：beings on other planets;other life forms;aliens out there;intelligent beings outside the Earth;our sisters and brothers;our siblings.
（3）本段还使用了一些比较大的词汇。比如：establish建立；entail使......成为必要；apparatus设备；tons of money(=lots of money)成堆的钱；invade入侵；eliminate(=kill)消灭
There are others who are very enthusiastic about reaching out for aliens on other planets.They are interested in how these different life forms survive and believe their more advanced technology may well help us human beings solve our existent problems.Having been living in the universe as the only intelligent being for too long,many people find it very attractive to reach their brothers and sisters from other planets.It is significant for another reason,too.As the Earth will surely die and disappear into the black hole as many scientists have speculated,we need to be known by our siblings on other planets so that when that day eventually does come,our future grand,grand children will not perish.
（1）本段讨论相反的观点，即赞同与外星人沟通。理由包括：学习外星人的科技；找到伴侣；地球毁灭时外星人可以挽救人类。
（2）be enthusiastic about...对......很热心 来自exist一词
（3）existent(=existing)现有的现存的
（4）black hole黑洞（地球会消失到太阳的黑洞，这个顺便用出来，给作文增加一些信息量，同时使作文显得更加有个性化，在这篇作文中，能够使用black hole的，可能不足1/1000，这会给阅卷人一种新颖之感。）
（5）speculate猜测，猜想
（6）siblings兄弟姐妹的总称（兄弟brothers,姐妹sisters,兄弟姐妹sisters and brother,siblings=sis+bro+ling)
（7）eventually(=finally;in the long run)最终；终于
（8）perish(=die)消亡；死亡
Personally,I do not think much of the"danger"theory.If the aliens are less developed than us,they cannot be a threat to us even if they want to;if they are more developed and civilised,the probability that we are killed by them is still lower.Once the xenophobic danger is removed,I believe most of us will welcome the idea of communicating with the intelligent forms outside the Earth,because they can provide us with the much desired companionship and may save us when the Earth expires.
（1）本段写自己的观点。首先批驳“危险说”（danger theory)：不厉害的外星人咱不怕，厉害的外星人文明程度高，一般也不会杀戮，因此，怕什么呢？更兼认识外星人有那么多好处，当然要想办法与外星人联系了。
（2）do not think much of something不太赞同......；不太喜
欢......
（3）probability概率；可能性
（4）xenophobic仇外的，排外的（这里使用了这个大词，xenophobic danger也是创造性使用语言的一个范例，也就是说，认为外星人会给我们带来危险其实是一种仇外的表现，因此这个
danger就是xenophobic danger。）
（5）provide us with companionship给我们提供陪伴
（6）expire死亡；过期（相当于die,perish，注意在本文中光是“死亡”就换用了三个词汇！
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