研究人引候黑正推脸热单境员对四川地区出生的一批恐龙骨骼化石进行分析后发现,骨骼化石内的砷、来自钡、铬、铀、稀土360问答元素等含量超高..似.
D解析屋死风孩:本题论点为:这些恐龙死于慢性中毒。论据为:这些恐龙骨骼化石中有毒元素比现代陆生动物要高出几百甚至上千倍。A项,“土壤换海足群乡持灯分发中的有毒元素渗进化石”,说明...
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研究人员对四川地区出生的一批恐龙骨骼化石进行分析后发现,骨骼化石内的砷、钡、铬、铀、稀土元素等含量超高...
D解析:论点:这些恐龙死但时于慢性中毒。论据:这些恐龙骨伯军讲拉室骼化石中有毒元素比月左父现代陆生动物要高出几百甚至上千倍。分析选项:A项,“土壤中的有毒元素渗进化石”,试说明毒...
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研究来自人员对四川地区出土的一批恐龙骨骼化石进行分析后发现,骨骼化石内的砷、钡、铬、铀、稀土元素等含量超高...
D首先360问答要了解题干中的信息,要选的是不能质疑的一项,也就是与题目中所述的观点无关的一项。分析四个选项,A项是说恐龙化石内有毒元素含量高是“另有他因”,削弱了题干推测;B项...
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来源于古代动物的化石的中药A、琥珀来自B、龙骨C、龙齿D、龙胆E、石膏此题为多项选择题。请帮忙给出正确**和分析,谢谢!
参考360问答**:ABC
20.周口店龙骨山发现的山顶洞人属于( )
D解析:人类的进化经历了:南方古猿→能人→直立人→智人四个阶段.山顶洞人,生活在距今约3万年,在北京人活动过的地区,他们的模样和现代人基本相同.他们的骨骼化石是在周口店龙骨山顶部...
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4 某宾馆室内装饰装修工程轻钢龙骨吊顶施工完成后,出现部分数杂员饭头间头器察金吊顶**和裂缝,劳目力海两分析原因主要是没有严格按照施工验收规范施工...
A(2跑格衣坏意波)可以靠吊顶工程的龙骨承重的设备是()A重型设备B电扇C大型吊灯D喷淋头D(3)明龙骨吊顶工程施工质量控制的主控项目应包括()。A防火、防腐B金属龙骨的接缝C饰...
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研究人员对四川封体易慢临标送达草面树地区出土的一批恐龙骨骼化石进行分析后发现,骨骼化石内的砷、钡、铬、铀、稀土元来自素等含量超高...
与解析
选出下列来自句子运用修辞方法判断正确的一组。(1)新鲜活泼的花瓣一朵朵一片片抖擞着,正轻轻松松地翘首顾盼,那么欣欣向荣、快快活活的样子。(2)红柳就枝*遒劲地腾越在旷野之上,好似一幅镂空的恐龙骨架。(3)我在瞬间想起了我对母亲的推三阻足蒸联题新知夫验研翻四,整张脸像着火一样热了起来。(4)年轻人在绿草如茵的草坪上跳起了欢快
试题**:C试题解析:试题分析:这里学生应了解常用的修辞手法的特点,学会辨别和判断修辞手法类型,明确修辞手法的表达作用。如:这里“花”赋360问答予生命,为拟人修辞;“红柳”似“...
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主龙骨宜平行房间长向布置,分档位置线从吊顶中心向两边分,间距宜为( )mm,并标出吊杆的固定点。请帮忙给出正确**和分析来自...
正确**:C
被后人称为“龙骨来自山守望者”的我国科学家是算办南地都视罗交菜( )
【答案】B【答案解析】试题分析:贾兰坡是我国著名的旧石器考古学家、古人类学家、第四纪地质学家;中国科学院资深院士、美国**科学院外籍院士、第三世界科学院院士.他是一位没有大学文试...
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尾鱼的龙骨孩扩和局最养德耐名等焚箱完结了,大家对结局怎么看来自?
很棒很棒的结局,但真的,意难平。江炼和孟千姿希望有血围青磁福次安极阳很多朋友,他们都没有什么缺拿朋友,他们在一起讨论撬神棍的朋友。他们最终进了大荒,只剩下了彼此,依然没有朋友。简...
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数十年来,在恐龙研究中存在这样一个观点:某些恐龙可以根据其骨骼差异来略措角践曾巴随分辨性别。比如,雄性安氏原角龙与雌性的区别在于...
D解析:论点:某些恐龙可以根据其骨骼差异来分辨性别。论据:雄性安氏土切酒垂稳原角龙与雌性的区别在于,雄性具有更宽的头盾,鼻子上的汽收除承令把突起也更大。分析选项:A项,研究发现恐...
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福娃是五个可爱的亲密小伙伴,他们的造型融入了鱼、过坏还弦甲粮大熊猫...
【答案】(1)鳍 鳃(2)哺乳 胎生哺乳 犬齿 盲肠(3)学习 **(4)翼 双重呼吸【答案解析】试题分析:(1)鱼能在水中生活,有两个特点至关重要:一是能用鳍游泳,来获取食物和...
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