本文首句指出“Scientists believe that life on earth...from hydrogen and hydrogen compounds to oxygen and nitrogen.”意思是:科学家们相信地球生命开始于地球的大气由氢和氮的化合物转变为氧和氮之前。避错指导由首句句意可知,地球的生命开始时,大气尚未转变为氧和氮,故排除A); B)项“氢、氧和氮”和D)...
A. Life on Earth began in the desert. B. Life on Earth began in the mountains. C. Life on Earth began in the ocean. D. Life on E. arth began in outer space. 相关知识点: 试题来源: 解析 C。解析:这句话明确指出科学家认为地球上的生命始于海洋,所以主要意思是地球上的生命始于海洋。反馈...
1(1分)(2010•天津)People have always been about exactly how life on earth began.( ) A. curious B. excited C. anxious D. careful E. [解答]答案:A. curious"好奇的";excited"兴奋的";anxious"担忧的,焦虑的";careful"小心的".根据句意,人们对生命的起源是感到"好奇".be curious about"对…...
Life on earth began 300m years earlyLife on Earth began almost four billion years ago - 300 million years sooner than was previously thought, and only 200 million years after the Earth was sterilised by meteorite bombardments, according to new studies of ancient sedimentary rocks on Greenland....
aGOD,grant me the serenity to accept the things I can not change;the courage to change the things I c 神,授予我平静接受我不可能改变的事; 勇气改变事I c[translate] apeople have always been about exactly how life on earth began. 人们总是关于确切地怎么生活在地球上开始了。[translate]...
People have always been about exactly how life on earth began.( )A. curiousB. excitedC. anxiousD. careful
百度试题 结果1 题目People have always been ___ about how life on earth began.A. curious B. excited C. anxious D. careful 相关知识点: 试题来源: 解析 A 反馈 收藏
a保留到凌晨12点 Retains to before dawn 12 o'clock[translate] a爱情线上玩偶 Love on-line puppet[translate] aMy dear Mister 我亲爱的先生[translate] apeople have always been curious about exactly how life on earth began. 人们总对确切地是好奇的怎么生活在地球上开始了。[translate]...
1【题文】 The oceans are where life on Earth began and they continue to be the home to an incredibly various range of life. It has been estimated(估计)that there are around 230, 000 different marine (海洋)species, but some marine biologists think that there could well be ten times that...
(2010高考)People have always been ___about exactly how life on earth began. A. curious B. excited C. anxious D. careful 相关知识点: 试题来源: 解析 A 解析:考查形容词词义辨析。句意:人们一直对地球上的生命是如何起源的感到好奇。curious“好奇的”;excited“使人激动的”;anxious “焦急的,焦虑...