《初信成长八课》更新版

《初信成长八课》更新版
《初信成长八课》更新版

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2013级大学英语期末口试试题(2014年6月)Directions for pair work: Work with your partner and make up short conversations based on the following situations. In some situations you can use appropriate expressions from the textbook. One of you will play the role of A, and the other B. Each of the conversation should last for at least 3 minutes. Situation 1: Students A and B are talking about the subjects they are studying. They tell each other why they enjoy the subjects and what problems they have. Situation 2: Students A and B encounter each other on campus.A asks where B is going. B says he is going to a sports event and invites A to join him. A says he is too busy to do so and promises to go with him next time. Situation 3: Students A and B are talking about the story about the first Olympic Games, the Olympic flame and flag Situation 4: Students A and B are talking about: why is it important to protect

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口语考试话题及参考答案

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航空常识---乘飞机行李托运注意事项 民航局关于行李托运的规定如下(国内的): 三十六条承运人承运的行李,只限于符合本规则第三条第二十三项定义范围内的物品。承运人承运的行李,按照运输责任分为托运行李、自理行李和随身携带物品。重要文件和资料、外交信袋、证券、货币、汇票、贵重物品、易碎易腐物品,以及其他需要专人照管的物品,不得夹入行李内托运。承运人对托运行李内夹带上述物品的遗失或损坏按一般托运行李承担赔偿责任。国家规定的禁运物品、限制运输物品、危险物品,以及具有异味或容易污损飞机的其他物品,不能作为行李或夹入行李内托运。承运人在收运行李前或在运输过程中,发现行李中装有不得作为行李或夹入行李内运输的任何物品,可以拒绝收或随时终止运输。旅客不得携带管制刀具乘机。管制刀具以外的利器或钝器应随托运行李托运,不能随身携带。 第三十七条托运行李必须包装完善、锁扣完好、捆扎牢固,能承受一定的压力,能够在正常的操作条件下安全装卸和运输,并应符合下列条件,否则,承运人可以拒绝收运: (一)旅行箱、旅行袋和手提包等必须加锁; (二)两件以上的包件,不能捆为一件; (三)行李上不能附插其他物品; (四)竹篮、网兜、草绳、草袋等不能作为行李的外包装物; (五)行李上应写明旅客的姓名、详细地址、电话号码。托运行李的重量每件不能超过50 公斤,体积不能超过40(60(100 厘米,超过上述规定的行李,须事先征得承运人的同意才能托运。自理行李的重量不能超过10 公斤,体积每件不超过20(40(55 厘米。随身携带物品的重量,每位旅客以5 公斤为限。持头等舱客票的旅客,每人可随身携带两件物品。每件随身携带物品的体积均不得超过 20(40(55 厘米。超过上述重量、件数或体积限制的随身携带物品,应作为托运行李托运。 第三十八条每位旅客的免费行李额(包括托运和自理行李):持成人或儿童票的头等舱旅客为40 公斤,公务舱旅客为30公斤,经济舱旅客为20公斤。持婴儿票的旅客无免费行李额。搭乘同一航班前往同一目的地的两个以上的同行旅客如在同一时间、同一地点办理行李托运手续,其免费行李额可以按照各自的客票价等级标准合并计算。构成国际运输的国内航段,每位旅客的免费行李额按适用的国际航线免费行李额计算。第三十九条旅客必须凭有效客票托运行李。承运人应在客票及行李票上注明托运行李的件数和重量。承运人一般应在航班离站当日办理乘机手续时收运行李;如团体旅客的行李过多,或因其他原因需要提前托运时,可与旅客约定时间、地点收运。承运人对旅客托运的每件行李应栓挂行李

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欢迎阅读 《汽车理论》知识点全总结 第一部分:填空题 第一章.汽车的动力性 1.从获得尽可能高的平均行驶速度的观点出发,汽车的动力性指标主要是:(1)汽车的最高车速Umax(2)汽车的加速时间t(3)汽车的最大爬坡度imax。 2.常用原地起步加速时间和超车加速时间来表明汽车的加速性能。 3.汽车在良好路面的行驶阻力有:滚动阻力,空气阻力,坡道阻力,加速阻力。 4.汽车的驱动力系数是驱动力与径向载荷之比。 2.确定最大传动比时,要考虑三方面的问题:最大爬坡度、附着率及汽车最低稳定车速。 3.确定最小传动比时,要考虑的问题:保证发动机输出功率的充分发挥、足够的后备功率储备、受驾驶性能限制和综合考虑动力性和燃油经济性。 4.某厂生产的货车有两种主传动比供用户选择,对山区使用的汽车,应选择传动比大的主传动比,为的是增大车轮转矩,使爬坡能力有所提高。但在空载行驶时,由于后备功率大,故其燃油经济性较差。 5.在同一道路条件与车速下,虽然发动机发出的功率相同,但变速器使用的档位越低,后备功率越大,发动机的负荷率越低,燃油消耗率越高。 6.单位汽车总质量具有的发动机功率称为比功率,发动机提供的行驶功率与需要的行驶功率之差称为后备功率。 7.变速器各相邻档位速比理论上应按等比分配,为的是充分利用发动机提供的功率,提高汽车的

动力性。 8.增加挡位数会改善汽车的动力性和燃油经济性,这是因为:就动力性而言,挡位数多,增加了发动机发挥最大功率附近高功率的机会,提高了汽车的加速和爬坡能力。就燃油经济性而言,挡位数多,增加了发动机在低燃油消耗率区工作的可能性,降低了油耗。 9.对汽车动力性和燃油经济性有重要影响的动力装置参数有两个,即最小传动比和传动系挡位数。 第四章.汽车的制动性 1.汽车制动性的评价指标是:(1)制动效能,即制动距离与制动减速度(2)制动效能的恒定性,即抗热衰退性能(3)制动时汽车的方向稳定性。 2.制动效能是指:汽车迅速降低车速直至停车的能力,评定指标是制动距离和制动减速度。 汽车的制动距离是指从驾驶员开始操纵制动控制装置(制动踏板)到汽车完全停止住为止汽车驶过的距离,它的值取决于制动踏板力、路面附着条件、车辆载荷和发动机是否结合等因素。 第六章.汽车的平顺性 1.研究平顺性的目的是控制汽车振动系统的动态特性,使乘坐者不舒服的感觉不超过一定界限,平顺性的评价方法有加权加速度均方根值法和振动剂量值两种。 2.“ISO2631”标准用加速度均方根值给出了在1-80Hz摆动频率范围内人体对振动反应的暴露极限、疲劳-降低工效界限、降低舒适界限三种不同的感觉界限。 3.进行舒适性评价的ISO2631-1:1997(E)标准规定的人体座姿受振模型考虑了:座椅支撑面,座椅靠背和脚支撑面共三个输入点12个轴向的振动。 4.悬架系统对车身位移来说,是将高频输入衰减的低通滤波器,对于动挠度来说是将低频输入衰减的高通滤波器。 5.降低车身固有频率,会使车身垂直振动加速度减小,使悬架动饶度增大。 6.作为汽车振动输入的路面不平度,主要用路面功率谱密度来描述其统计特性。

2019年公共英语考试一级口语必考话题及参考答案(1)

2019年公共英语考试一级口语必考话题及参考答案(1) A 节部分即口头提问,是针对所给的Topic(主题)设计出若干问题, 向考生发问。它出现在考试的起始阶段和最后阶段。在这两部分中每 位考生大约分别有一分钟左右的时间回答问题,大概要说十句话左右。所以不能简单地说上一两句就结束了。因为在口头提问部分不给准备 时间,所以考生无论在考试前还是考试过程中都应有充足的准备。 (1)事先学习使用一些表达方式给自己争取一点时间思考。常用 的表达方式有: As everybody knows. Sofar as I am concerned. What I mean is...Well... That is to say...You know, ... (2)重复考官的问题也是一种得体的方式,为的是让自己有一点 时间思考。 (3)考试中选择自己熟悉的东西或事情来谈,否则会因为有些词 不会用英文表述,而给自己造成麻烦。比如就音乐或书籍来讲,考试 时选择一种会表述或表述较为容易的音乐或一本自己熟悉的书,比选 择一种自己真正喜欢的音乐或一本书更现实。 (4)考试中为了使自己回答问题的内容更充实些,能够用列举法 或举例说明法予以适当展开阐述。 (5)考生在回答问题时,如果发现自己要说的话太少,或觉得无 话可说时,不妨把自己想到的问题再详细地说明或细化一下。 A 节部分常考话题汇总及答案 1. And what shall I call you? Most people call me Xiao Huang.

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⑵.携带超过20,000元人民币现钞,或超过折合5,000美元的外币现钞,海关按现行有关规定办理。 - 1 - ⑶.携带金银等贵重金属,海关按现行有关规定办理。 ⑷.携带文物、濒危动植物及其制品、生物物种资源,海关按现行有关规定办理。 ⑸.携带无线电收发信机、通信保密机,海关按现行有关规定办理。 ⑹.携带中华人民共和国规定其它限制或禁止出境的物品,海关按现行有关规定办理。⑺.携带货物、货样、广告品,海关按现行有关规定办理; 2、入境xx验放的各项管理规定 ⑴.居民旅客携带在境外获取的总值超过人民币5,000元(含5,000元,下同)的自用物品,对超出部分海关予以征税放行。 ⑵.非居民旅客携带拟留在中国境内的总值超过人民币2,000元的自用物品,对超出部分海关予以征税放行。 ⑶.携带超过1,500毫升的酒精饮料(酒精含量12度以上),或超过400支的香烟,或超过100支的雪茄,或超过500克的烟丝,对超出限量但仍属自用的部分,海关予以征税放行。 ⑷.携带超过20,000元的人民币现钞,或超过折合5,000美元的外币现钞,海关按现行有关规定办理。携带需复带出境超过折合5,000美元的外币现钞时,旅客应填写两份申报单,海关验核签章后将其中一份申报单退还旅客凭以办理有关外币复带出境手续。 ⑸.携带动植物及其产品、微生物、生物制品、人体组织、血液及其制品,海关按现行有关规定办理。 ⑹.携带无线电收发信机、通信保密机,海关按现行有关规定办理。

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