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115128描述质点运动必须选择参考系。但是，仅有参考系还不能把质点运动时的确切位置定量地表示出来，再在参考系上建立坐标系则可以解决这个问题。另外，物理学中的方程式在很多情况下都是矢量方程,而矢量方程的求解，特别是矢量的积分，必须先化为分量式才可以进行。可见，建立坐标系是十分重要的。我们常用的坐标系有哪几种？

115129“加速度就是速度的增加”，是否正确？

115130物体具有恒定的速率但仍有变化的速度，是否可能？

115131物体具有加速度而其速度为零，是否可能?

115132以下哪种说法是正确的？A.质点就是微观粒子

11513312/47 译为　twelve over forty-seven

115134一言为定译为　A bargain is a bargain.

1151354 million　译为 6400万

11513667% 译为 twenty point sixty seven percent

115137by ones and twos 译为三三两两

115138这是你第几次来中国？

115139到2025年，中国智慧物流市场规模将超过1万亿元。

115140我国中等收入阶层人数已达3亿，占全球中等收入群体的30%。

115141到2020年，全员劳动生产率从人均8.7万元提高到12万元以上。

115142亚洲比欧洲大3倍。

115143本报告根据家电制造企业的销售量对前100名进行排名。This report （） 100 appliance manufactures selected according to their volume of sales.

115144We provided countries around the world with over 220 billion masks, 2.25 billion protective suits and over 1 billion testing kits.“Made in China” products became a key source of supply for the global fight against the pandemic.译文：迄今中国已经向各国提供了220多亿只口罩、2.25

115145Make the hay with the sun shines.译文：勿失（）。

115146少壮不努力，老大徒伤悲。译文：If you lie down with dogs, you will get up with fleas.

115147种瓜得瓜，种豆得豆

115148吃一堑，长一智。译文：A fall into the pit, （）.

115149一言既出，驷马难追。译文：What is said cannot be said.

115150Many a little makes a mickle.

115151An aging society refers to one?with?more?than?10?percent?of?its?population?older?than?60,?or?more?than?7?percent?of?its?population?older?than?65.?译文：老龄化社会指的是在一个社会中（）人口占总人口10%以上，或65岁以上人口占总人口7%以上。

115152200多美元　译文：two hundred dollars more

115153快八点

115154The efficiency of the machines has been more than trebled.译文：这些机器的效率已经提高了（）倍多。（请大家填写数字即可。）

115155The production of integrated circuits has been increased to three times as compared with last year.译文：集成电路的产量比去年增加了三倍。

115156The output of chemical fertilizer has been raised 5 times as against last year.

115157The three e-commerce giants will offer their own coupons worth a total of 1.8 billion yuan, which may be used together with the government-issued vouchers.译文：三家电商企业匹配了总价值约（）亿元的消费券，消费者可将“武汉消费券”与3家企业的消费券叠加使用。（请大家填写数字即可）

115158进出口总额突破4千亿美元，再上新台阶。译文：Toal imports and exports exceeded 0.4 trillion dollars, reaching a new high.

115159城镇新增就业1310万人。

115160Our country has a world-wide reputation for quality agricultural products and almost half of the countries export earning are derived from farming.译文：我国的农业产品质量在世界上享有盛誉，农业收入占全国出口收入的一半。

115161改革开放以来，中国的高等教育获得了长足的发展，教育质量不断提高。译文：Since the Reform and Opening-up, Chinese high schools have made great changes.

115162来海南旅游的人们常常会被这座迷人的海岛所深深吸引，甚至不愿意离开这座“人间天堂”。译文：Those who travel to Hainan are usually so fascinated by this charming island that they even feel reluctant to leave this “paradise on earth”.

115163The Hawaii Islands have only two seasons: “summer” between May and October and “winter” between October and April.译文：夏威夷群岛只有两个季节：5月至10月的夏季和10月至4月的冬季。

115164More than 90% percent of the plants and animals living in the Hawaii are found nowhere in the world.译文：90%以上生长在夏威夷的动植物都是全世界绝无仅有的。

115165显而易见，电子商务除了购物便捷外，还有许多其他优点。

115166因特网是人们用以收集信息、互相交流之传统工具的补充，难怪它常常被称为“信息高速公路”。

115167信息技术、科学、工程、管理及支持技能发展的其他学科的融合对我们的将来至关重要。

115168Our Industry is undoubtedly most interested in graduates who already have both technology and business skills.

115169It is obvious that the skills we need today in the IT services industry has changed.

115170The corporate culture contains a very rich content, including business philosophy, value concept, the spirit of enterprise, enterprise morality, group consciousness, enterprise image, enterprise system.

115171The corporate culture has nothing to do with the corporate goal.

115172While we have faced challenges before, this one is different.译文：（）我们之前也面临过种种挑战，这一次却不太一样。

115173China has a great tradition.It has huge resources.It has enormous strength of will and spirit.译文：中国有伟大的传统、丰富的资源、巨大的意志力和精神力量。

115174不是所有出席会议的人都同意发言者的意见。

115175Traditionally a land of tea, China was exposed to the specialty coffee culture in 1999 when Starbucks opened their first shops in China's largest cities.译文：中国是传统茶饮大国。1999年，星巴克在中国主要城市开设了首批门店，中国自此开始接触精品咖啡文化。

115176In general, enterprises with foreign investments established in special economic zones are eligible for a reduced corporate income tax rate of 15%.译文：一般来说，凡是在经济特区建立的外贸企业都有权享受公司所得税减少15%。

115177澳大利亚有着很发达的教育系统，其入学率在全世界名列前茅。

115178FYR is the abbreviation of For your reference.

115179合资企业笔记：JV

115180↑：此符号可以用来记录：

115181A house without books is like a room without （）.

115182We eat what we can and what we can't we can.译文：我们能吃的就吃，吃不下的也勉强吃。

115183She is homely womam.

115184在夏天，海南是旅游的淡季。译文：Summer is the slack season for Hainan’s tourism.

115185他在这次风险投资中投入了大量的资金。译文：He sank vast amounts of capital in the venture.

115186我还不想公开那些会引起争论的观点，宁可暂且随大溜。译文: Not wanting to make my controversial views known yet, I preferred to follow the persons for a while.

115187为了追求成功，很多人都变成了工作狂，却忽视了家族。译文：To achieve success, many people become workaholics, but ignore their family.

115188我还没有决定要加入哪一方，现在我还在观望形势。译文：I haven’t decided which party to join; now I am still sitting on the wall.

115189The purchaser will not be responsible in connection with the packing or delivery of the above goods.

115190Not only does asking questions at a meeting involve you in discussions, it is also a good way to demonstrate your professional knowledge.

115191Most of the issues concerning personnel management have been solved satisfactorily; only a few questions of secondary importance remain to be discussed.

115192There is no sign that world economic crisis will lessen in the next few months, although a certain degree of recovery is in sight.

115193If either party wants to renew the contract, it should submit a written notice to the other party three months prior to the expiration of the contract.

115194在保修期内可向您提供免费的硬件技术支持。Free hardware technical support is provided for the duration of your warrenty.

115195香奈儿美白乳液能有效防止肌肤缺水。

115196能干的公司经理可能会注意到当地房价惊人暴涨，这可能会影响在该地区雇佣熟练工人。A capable?corporate?manager?might?see?an?alarming?rise?in?local?housing?prices so?that?could?affect?the?availability?of?skilled?workers?in?the?region.

115197我们将坚持“和平统一”和“一国两制”的基本原则。译文：We shall adhere to the principles of basic peaceful reunification and one country, two systems principle.

115198Today, technology has made us all virtual neighbors.译文：今天，科技使我们所有国家实际上成为邻邦。

115199Powing the great ongoing changes of our time is the rise of human creativity as the defining feature of economic life.Creativity?has?come?to?be?valued，because?new?technologies，new?industries?and?new?wealth?flow?from?it．译文：推动当今社会巨大变化的动力是人类创造力的崛起。作为经济生活的一个显

115200China should respond with the following strategic choices: 1.taking the initiative in our own hands and sticking to low-carbon emission development; 2.making active responses and striving for a bigger say; and 3.taking an extensive participation, and tryi

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