高考每日一练（2019/2/18）

第1题：明朝宋应星《天工开物》记载：“其废纸洗去朱墨、污秽，浸烂入槽再造，全省从前煮浸之力，依然成纸，耗亦不多。江南竹贱之国，不以为然，北方即寸条片角在地，随手拾起再造，名曰还魂纸。”由此可知，还魂纸①生产遍布全国各地 ②降低了生产成本 ③制造工艺更加复杂 ④扩大了原料来源 A、①② B．①③ C．②④ D．③④

【单选题】： A     B     C     D

第2题：

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第3题：D、 MultitaskingPeople who multitask all the time may be the worst at doing two things at once, a new research suggests. The findings, based on performances and self-evaluation by about 275 college students, indicate that many people multitask not out of a desire to increase productivity, but because they are easily distracted (分心) and can’t focus on one activity.And “those people turn out to be the worst at handling different things,” saidDavid Sanbonmatsu, a psychologist at the University of Utah.Sanbonmatsu and his colleagues gave the students a set of tests and asked them to report how often they multitasked, how good they thought they were at it, and how sensation-seeking (寻求刺激) or imperative (冲动) they were. They then evaluated the participants’ multitasking ability with a tricky mental task that required the students to do simple mathematical calculations while remembering a set of letters.Not surprisingly, the scientists said, most people thought they were better than average at multitasking, and those who thought they were better at it were more likely to report using a cellphone while driving or viewing multiple kinds of media at once.But those who frequently deal with many things at the same time were found to perform the worst at the actual multitasking test. They also were more likely to admit to sensation-seeking and impulsive behavior, which connects with how easily people get bored and distracteD、“People multitask not because it’s going to lead to greater productivity, but because they’re distractible, and they get sucked into things that are not as important.” Sanbonmatsu saiD、Adam Gazzaley, a researcher at the University ofCalifornia, San Francisco, who was not a member of the research group, said one limitation of the study was that it couldn’t find out whether people who start out less focused toward multitasking or whether people’s recognizing and understanding abilities change as a result of multitasking.The findings do suggest, however, why the sensation-seeker who multitask the most may enjoy risky distracted driving. “People who are multitasking are generally less sensitive to risky situations.” said PaulAtchley, another researcher not in the group. “This may partly explain why people go in for these situations even though they’re dangerous.” The research led by Sanbonmatsu indicates that people who multitask ________. A、seek high productivity constantly B、prefer handling different things when getting bored C、are more focused when doing many things at a time D．have the poorest results in doing various things at the same time

【单选题】： A     B     C     D

第4题：把下列句子组成语意连贯的语段，排序最恰当的一组是(3分)①比如告诉你的父母，陪他们一起逛街感觉非常开心②如果只是将快乐私藏，积极的情绪便会很快消失③它不仅有助于快乐感的延续，还能拉近人与人之间的关系④告诉你的朋友，很怀念在一起时开心的时光，并开始筹划新的聚会等等⑤传递快乐其实很简单⑥积极与他人分享快乐的记忆和经历，是放大快乐感的最佳方法 A、⑤⑥①②④③ B．⑤③②⑥①④ C．⑥③②⑤①④ D．⑥⑤①④②③

【单选题】： A     B     C     D

第5题：(24分)课程变化与时代发展紧密相关。阅读材料，回答问题。 (4分)说明现行高中教材对工业革命影响的表述反映了哪些方面的时代要求？(8分)

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第6题：根据下面图表提供的信息，将2008年至2012年五年间我国城乡居民人均文化消费支出的特点写成一段话。要求内容完整，语言连贯，不超过80个字。(6分)

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第7题：(15分)铅及其化合物可用于蓄电池、耐酸设备及X射线防护材料等。回答下列问题： PbO2与浓盐酸共热生成黄绿色气体，反应的化学方程式为{{U}} ④ {{/U}}.

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第8题：27、(14分)某二倍体植物宽叶(M)对窄叶(m)为显性，高茎(H)对矮茎(h)为显性，红花(R)对白花(r)为显性。基因M、m与基因R、r在2号染色体上，基因H、h在4号染色体上。 (3)基因型为Hh的植株减数分裂时，出现了一部分处于减数第二次分裂中期的Hh型细胞，最可能的原因是________。缺失一条4号染色体的高茎植株减数分裂时，偶然出现一个HH型配子，最可能的原因是________。

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第9题：下列各句中，没有语病的一项是( ) A、中心思想是针对文章的整体内容而言的，要求具有较高的分析概括能力和准确的语言表达能力。 B．虽然有国家资源作支撑，但面临重重困难，国有企业能取得现在这样的成绩，确实可说堪称不易。 C．大庆石化总公司的老少职工们同台竞赛，年轻职工积极踊跃，老年职工更是不让须眉。 D．通过捐款、创办公益基金的方式回馈社会，不是企业家的法定义务，可提倡而不宜强制。

【单选题】： A     B     C     D

第10题：

【分析题】：