作业帮求一个关于外星人是否存在的英语作文 200字左右 一小时之内追加二十分如题 不用太高深 也不用太有文采 粘贴无效 高二的水品就行
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求一个关于外星人是否存在的英语作文 200字左右 一小时之内追加二十分如题 不用太高深 也不用太有文采 粘贴无效 高二的水品就行
求一个关于外星人是否存在的英语作文 200字左右 一小时之内追加二十分
如题 不用太高深 也不用太有文采 粘贴无效 高二的水品就行
求一个关于外星人是否存在的英语作文 200字左右 一小时之内追加二十分如题 不用太高深 也不用太有文采 粘贴无效 高二的水品就行
Ever since human has tried for the first time to get away from the ground ,we have witnessed huge progress in space techonology and the successful launch of the manned spacecraft ,without doubt,marked another giant stride in human's space trek.Among the various motives that have kept us in pursuit of the unknown outer space,there is an interesting one:Are we alone in the universe?
Quite a lot of people,a number of scientist included,have always been confident that somewhere in the dark space,there are definitely lives like us.Topics of what they look like,do they have eyes and bodies like we do,or are they aware of out existence never fail to fascinate people,even the remotely skeptics out there.And it is alway assumed that they must be way ahead of us in techonology.
However,a tough question has been put forward by those who hold the opposite view :If there really is another species with high-tech,how come we never receicved any message or sign that they sent out--if they are lives like human with much capable technology,they sure must be intersted in the same question and thus must have been trying to contact with us.And the answer is yet unknown.
In my point of view,with the rapid development of human technology,it is certain that someday in the future we will have a satisfactory answer to the big question~