问题
名词解释
扳手bān shǒu
答案
参考答案:
利用杠杆原理拧转螺栓、螺钉、螺母和其他螺纹紧固件的开口或套孔手工工具。
扳手bān shǒu
参考答案:
利用杠杆原理拧转螺栓、螺钉、螺母和其他螺纹紧固件的开口或套孔手工工具。
(6分)阅读材料,回答问题。
材料一 2014年3月8日凌晨2点40分,马来西亚航空公司称一架载有239人的波音777 - 200飞机与管制中心失去联系,该飞机航班号为MH370,其中有154名乘客。截止至2014年3月24日晚十点,马来西亚 * * 纳吉布在吉隆坡宣布,马航失联航班MH370在南印度洋坠毁,机上无一人生还。
材料二 相关搜救信息
时间 | 消息来源 | 相关行动、影响及结果 |
3月8日 | 马来西亚 | 越南、马来西亚、新加坡在越南湾展开搜救,中国加入 |
3月1 4日 | (美)华尔街日报 | 美国调查人员怀疑失踪,马航航班在空中继续飞行约四小时 |
3月15日 | 马来西亚 | 搜救的区域转向印度洋南北线,参加搜救国家达26个 |
3月20日 | 澳大利亚 | 根据卫星数据显示,搜寻区域锁定南印度洋一个区域 |
3月25日 | 英国 | AAIB(英国航空事故调查属)的卫星定位信息确足坠毁 |
(2)根据材料二信息分析,搜救马航失联客机主要应用的科技手段是什么?它属于哪次科技革命的成果?主导整个搜救过程主要信息来源的分布充分说明当今世界各国科技水平如何?(3分)
(3)排除政治因素的猜测,你觉得客机一旦失事,营救乘客生还是否有可能?如果你认为可能,我们应该在哪些方面去努力?如果你认为不可能,请说明原因。(1分)
完形填空。 | ||||
George Bernard Show once said, "America and Britain are two countries separated by the same language". Many students of English worry (1)_______ about the differences between American and British English. In fact, (2)_______, the differences are not (3)_______ large. Unlike, for example, Mandarin (普通话的) and Cantonese speakers, speakers of the American and British (4)_______ of English can understand (5)_______ and communicate with very (6)_______ misunderstandings. When we talk about the American and British dialects of English we do not (7)________ pronunciation. Both UK and US have several different regional (8)_______ within their own borders. Besides, there is no (9)_______ to enforce a standard. If you (10)_______ the radio in New York, you will hear presenters speaking (11)_______ New York accents. If you were then to tune into a (12)_______ radio station you would hear presenters speaking with Californian accents. Likewise, anyone who has ever watched BBC will know that their (13)_______ have a wide range of accents, from (14)_______ to Indian. Native English speakers are able to understand most regional accents (15)_______ a large degree. The main difference between American and British English has something to do (16)_______ writing. It is in grammar, spelling and word usage (17)_______ the two dialects differ the most. (18)_______, when writing English, you should decide which one to use and try to use it as consistently as possible. The greatest difference between American and British English (19)_______ the choice of vocabulary. The same word can have (20)_______ meanings. When Americans say that someone is mean they are expressing that that person is bad-humored. Whereas, in Britain, a mean person is someone who is not generous. There are many more examples and most dictionaries will explain them. | ||||
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