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abandon accelerating adopted breakthroughs emerging employment identified make Nevertheless options phase profound response strategies Ultimately This is a digital age. It has been called the Fourth Industrial Revolution by Klaus Schwab of the World Economic Forum. It is marked by constant technological 1 that repeatedly causing changes to the business world. It is a new 2 in human history. Only companies that change quickly in 3 will survive. And only the workers who constantly re-educate themselves will continue to find 4 . Two broad trends can be 5 that are shaping the digital age. One is the increasing speed at which new technologies are being 6 . It took 38 years for radio to reach 50 million users globally. That time was 13 years for TV, only three years for the internet. Innovations such as mobile computing, cloud technology, and big data already are changing the way business is done, and we’ll see them 7 developments in the future, particularly when artificial intelligence and the Internet of Things 8 their way into daily life. The other trend is the 9 impact these new technologies are having and will have on the economy. Yale professor Richard Foster noticed that the lifespans of the top 500 companies listed on stock exchanges in the US had significantly declined from 90 years in 1935 to 18 years in 2011. A 2015 McKinsey Global Institute Study concluded that current technologies could take over 45 percent of the jobs people are paid to perform 10 , workers can no longer expect to be employed at one or two firms for their entire careers.
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【单选题】善于梳理化学知识,能使你头脑更聪明。以下梳理的知识完全正确的一组是
A.
物质的性质与用途
B.
安全常识 N 2 性质稳定——可作灯泡填充气 乙醇具有可燃性——可作燃料 二氧化碳能溶于水——可灭火 假酒中毒——由甲醛引起 煤矿爆炸——由甲烷引起 假盐中毒——由NaNO 2 引起
C.
元素与人体健康
D.
日常生活经验 缺碘——甲状腺肿大 缺钙——易骨质疏松或得佝偻病 缺铁——易得贫血症 食品干燥剂——常用CuO 区别聚乙烯和聚氯乙烯——常用点燃闻气味法 使水中的悬浮杂质沉降——用明矾
【单选题】欧洲文艺复兴时期被称为“文艺复兴三巨人”的是
A.
莎士比亚、托马斯·莫尔、塞万提斯
B.
莎士比亚、 但丁 、 达芬奇
C.
达 ·芬奇 、 拉斐尔 、 米开朗基罗
D.
马基雅维利 、 但丁 、 拉斐尔
【单选题】下列描述内容全部正确的一组是
A.
安全常识:室内煤气泄漏——立即打开排风扇;用水灭火——降低可燃物着火点
B.
环保知识:减少化石燃料燃烧——减少空气污染;控制使用塑料袋——防止“白色污染”
C.
实验现象:红磷在氧气中燃烧——产生大量白色烟雾;铁丝在氧气中燃烧——火星四射
D.
物质用途:碳酸氢钠——治疗胃酸过多;磷酸二氢钙[Ca(H 2 PO 4 ) 2 ]——用作复合肥料
【单选题】善于梳理化学知识,能使你头脑更聪明.以下梳理的知识完全正确的一组是(  ) A 物质的性质与用途 B 安全常识 N 2 性质稳定--可作灯泡填充气 乙醇具有可燃性--可作燃料 二氧化碳能溶于水--可灭火 假酒中毒--由甲醛引起 煤矿爆炸--由甲烷引起 假盐中毒--由NaNO 2 引起 C 元素与人体健康 D 日常生活经验 缺碘--甲状腺肿大 缺钙--易骨质疏松或得佝偻病 缺铁--易得贫血症 食品干...
A.
A
B.
B
C.
C
D.
D
【简答题】试述革兰染色法的主要步骤、结果及其医学意义。
【简答题】纵观庆阳香包,传统色彩浓重,工艺精湛,立体感强,动静互补,民俗意识深厚,均有其美好的( ),是民间艺术瑰宝。
【简答题】A.They decide to eat out. B.They wait for the mother to make the dinner. C.They eat at friend's house. D.They eat something different at home.
【简答题】下列主题知识的归纳中,正确的一组是(  ) A.生活常识 B.安全常识 用铁锅烹调食物→防止贫血 蛋白质摄入过少→使人生长发育迟缓 煤气泄漏→先打开排气扇 海鲜防腐→甲醛溶液浸泡 C.物质鉴别 D.环保知识 蚕丝布料和化纤布料→点燃 加碘食盐和无碘食盐→淀粉溶液 臭氧层空洞→温室效应 过度施用农药、化肥→水污染和土壤板结 A.生活常识 B.安全常识 C.物质鉴别 D.环保知识
【判断题】文艺复兴三巨人:莎士比亚、但丁、达芬奇
A.
正确
B.
错误
【单选题】下列主题知识的归纳中,正确的一组是
A.
生活常识
B.
安全常识 用铁锅烹调食物→防止贫血 蛋白质摄入过少→使人生长发育迟缓 煤气泄漏→先打开排气扇 海鲜防腐→甲醛溶液浸泡
C.
物质鉴别
D.
环保知识 蚕丝布料和化纤布料→点燃 加碘食盐和无碘食盐→淀粉溶液 臭氧层空洞→温室效应 过度施用农药、化肥→水污染和土壤板结
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