器). But there has been no reply. Should we invite aliens to Earth? What do you think?What did NASA send... are, they may invade us. The aliens “may not see us as any more valuable (有价值的) than we see ……

QIANTUQIANTUWe call them aliens (外星人) or sometimes ETs (extraterrestrials). We make movies about... into deep space. They hope aliens will find their messages and answer.But after years of searching, we ……

civilizations” in outer space. For if aliens do ever come to visit, the outcome will be “much as when Columbus... for the better. Shouldn’t we deal with aliens after that?BONUScash-strapped 缺乏，金的Sorry, I can’t lend ……

来自太空的客人We see aliens (外星人) in books and movies. They look very strange1. They travel in spaceships...人很危险？Stephen Hawking is a 68-year-old British scientist2. He believes (认为) aliens exist (存在). He says ……

(复制).Which theory do you prefer?Should we reply?SCIENTISTS are trying to prove (证明) we are not alone... aliens exist (存在)? Some might say yes, while others might say no.Many scientists believe that aliens ……

: “To my mathematical brain, the numbers alone make thinking about aliens perfectly rational (合理... are wide of the mark (离谱的).“Just because we go around wiping out our competitors, it doesn’t mean aliens ……

are almost certain to exist, but that instead of seeking them out, humans should be doing all we... mathematical brain, the numbers alone make thinking about aliens perfectly rational (合理的),” he said ……

ordinary people and scientists alike – do aliens exist (存在)? 4.__________It is a question that has interested ordinary people and scientists alike – do aliens exist (存在)? 4.__________Many scientists ……

) from space. On Earth, our TVs and radios give out signals. Scientists believe that if aliens do exist... for us. What do you think?Should we search for them? Although finding aliens might sound ……

to travel around. How do aliens travel? UFO is short for (缩写) unidentified flying object (不明飞行物). We... kidnapped (绑架) them. Some people say aliens used them to do experiments (试验).Friends or enemies?是敌 ……

to travel around. How do aliens travel? UFO is short for (缩写) unidentified flying object (不明飞行物). We... kidnapped (绑架) them. Some people say aliens used them to do experiments (试验).Friends or enemies?是敌 ……

to travel around. How do aliens travel? UFO is short for (缩写) unidentified flying object (不明飞行物). We... kidnapped (绑架) them. Some people say aliens used them to do experiments (试验).Friends or enemies?是敌 ……

浩瀚的宇宙里究竟有没有外星人？WE call them aliens (外星人) or sometimes ET (Extraterrestrial). We make movies about.... They hope aliens would find the message and answer.But after years of searching, we haven’t heard any ……

believe aliens do exist (存在) and they must have been to our planet many times. I think they stop... over the world. So I believe aliens do exist in space. Also, they have far more advanced science ……

, according to the Daily Mail. So what could we expect if aliens were to come and visit..., according to the Daily Mail. So what could we expect if aliens were to come and visit? Although ……