2-可能or不可能

Unit 2 Man’s best friends.1.possible 可能的（impossible 不可能的）It is possible (for sb.) to do sth.It is possible + that 从句2.be famous for 以…而闻名人+be famous for +人的技能与特性物+be famous for +物产或特产3.人+be+famous+as+身份或职业物+be+famous+as+产地或地方4.lie （位于，坐落在，躺）- lay –lyinglie (说谎) – lied – lyinglie n. 谎言5.be different from 与…不同（反义词the same……as）6.place of interest 名胜古迹（复数places of interest）7.such as 表示列举for example 举例说明，往往用逗号隔开For example, he can sing and dance.8.if引导的条件状语从句，主句用将来时，从句用现在是表示将来。

（主将从现）9.prefer to do sth. 更喜欢做某事prefer doing to doing 与做某事比较，更喜欢做某事prefer to so sth. rather than do sth. 与做某事比较，更喜欢做某事10.表示位置的方位介词in, on, atin表示在范围的内部，on表示两位置相邻，to表示两位置相离11.step n. 台阶，脚步，脚步声[C] n. v. 行走，踩12.step by step 一步步地watch on e’s step 走路小心13.have a wonderful time 玩得开心have a good / great / nice timehave funenjoy oneself14.have to 必须，不得不强调客观，强调在某种条件“不得不”must 必须强调主管观15.write to sb. 给某人写信hear from sb. 收到某人的来信16.plan to do sth. 计划做某事17.in the future 在将来in future 今后18.so是连词，表示“因果”关系，都与because不能同时出现在同一个句子中19.go on holiday 去度假（on是介词，表示“从事，进行……”）on business 出差on leave 休假on duty 值班on fire 着火on sale出售20.would like to do sth. 想要/愿意做某事（常用来征询对方的意见）21.date 日期，与年、月和日有关day 与星期有关-What’s the date today? -It’s September 9th.-What day is it today? -It’s Sunday.22.one of + 可数名词复数，作主语时，谓语动词用单数One of my friends is from China.23.try to do sth. 努力做某事try doing sth. 尝试做某事try one’s best to do sth. 尽某人最大的努力做某事24.at least 至少at most 至多25.not only……but also……不但…而且…作主语时，谓语动词与最近的主语单复数保持一致Not only they but also Jim likes reading story books.26.It takes/took/will take sb. + 时间+to do sth.sb. spend +时间+on sth./ in doing sth.sth. cost sb. 时间/金钱sb. pay +金钱+for sth.27.go doing 去从事某项活动go shopping go swimming go skating go running语法：专有名词和并列连词1. 专有名词的定义。

Unit2 Healthy eating语法篇__________________________________________________________________________________ __________________________________________________________________________________要求学生掌握本单元的重点语法----情态动词表示推测的用法。

一、情态动词表推测：1. 大多数情态动词（除表‘能力、许可、意志’外），都可以表示推测，其程度有差异。

按可能性程度的高低排列为：must ﹥will ﹥would ﹥ought to ﹥should完全肯定完全可能很可能﹥can ﹥could﹥may ﹥might可能有可能2. 区分情态动词的否定含义：may not或许不、可能不might not可能不can’t 不可能mustn't不许、禁止shouldn’t不应该needn’t 不必3. 情态动词表推测具体运用：情态动词可以对现在、进行、过去推测。

4. 表示反劝的特殊的表推测形式5. 注意：二、情态动词表推测的反意疑问句1.情态动词表推测的反意疑问句，简单来说，就是以情态动词后的时态为淮，如句子里有明确的时间状语，则以其为准。

2.以must 为例：Eg.1. You must be hungry now，aren’t you?2. He must be watching TV，isn’t he ?3 Tom must have lived her for a long time，hasn’t he ?4. She must have arrived yesterday，didn’t she?注：如选择题中（以She must have arrived yesterday，didn’t she？为例）既有didn’t she又有hasn’t she则以didn’t she？为最佳答案。

三元悖论三元悖论（Mundellian Trilemma），也称三难选择(The Impossible Trinity)，它是由美国经济学家保罗·克鲁格曼（一说蒙代尔）就开放经济下的政策选择问题所提出的，其含义是：在开放经济条件下，本国货币政策的独立性(Monetary policy)，固定汇率(Exchange rate)，资本的自由进出(Capital mobility)不能同时实现，最多只能同时满足两个目标，而放弃另外一个目标来实现调控的目的。

简介三元悖论原则是国际经济学中的一个著名论断。

但是，该理论是高度抽象的，只考虑了极端的情况，即完全的货币政策独立、完全的固定汇率和完全的资本自由流动，并没有论及中间情况。

正如弗兰克尔指出的，“并没有令人信服的证据说明，为什么不可以在货币政策独立性和汇率稳定两个目标的抉择中各放弃一半，从而实现一半的汇率稳定和一半的货币政策独立性。

”这不能不说是“三元悖论”理论在具体目标选择问题分析方面的局限。

但是目前的实证分析均指出存在三元悖论。

根据蒙代尔的三元悖论，一国的经济目标有三种：①各国货币政策的独立性；②汇率的稳定性；③资本的完全流动性。

这三者，一国只能三选其二，而不可能三者兼得。

例如，在1944年至1973年的“布雷顿森林体系”中，各国“货币政策的独立性”和“汇率的稳定性”得到实现，但“资本流动”受到严格限制。

而1973年以后，“货币政策独立性”和“资本自由流动”得以实现，但“汇率稳定”不复存在。

“永恒的三角形”的妙处，在于它提供了一个一目了然地划分国际经济体系各形态的方法。

根据“三元悖论”原则，资本自由流动、固定汇率制和货币政策独立性三者的组合是一个可行的选择，但是这一组合在现实中有效的前提是在假设一国外汇储备无上限的条件下才能成立。

实际上，现实中一国的外汇储备不可能无上限，一国的外汇储备总量再巨大，与规模庞大的国际游资相比也是力量薄弱的，一旦中央银行耗尽外汇储备仍无力扭转国际投资者的贬值预期，则其在外汇市场上将无法继续托市，固定汇率制也将彻底崩溃。

词义辨析unlikely, impossible, out of the questionout of the question词义：绝不可能英英释义：If you say something is out of the question, then this thing will be abosulately impossible and is not allowed tohappen or is prohibited to happen.用法：1. Saying “I love you” to each other is out of thequestion for the couple.对于这对夫妇来说，互相说一句“我爱你”那是不可能的事2. You cannot go out to drink liquor with thosebastards, it’s out of the question.别跟那帮混蛋出去喝酒，那是不可能的。

impossibleadj 形容词词义：不可能的英英释义：impossible things are those things that cannot happen or cannot be done用法：1. I t’s impossible to drive to that village, becauseit is located on the top of a mountain.想要驾车去那个村子是不可能的，因为它位于山顶上。

2. The bad situation of his poor family makesgoing to school impossible.贫穷的家庭状况让他上学是不可能的。

unlikelyadj 形容词词义一：不是很可能的，未必可能的英英释义：gunlikely means not likely to happen用法：1. I t’s unlikely.Jack might come back from England duringSpring Festival, but it’s unlikely.杰克可能春节回来，但是不大可能。

or的用法与and的区别公式一、or的用法与and的区别A. or和and是英语中最常见的两个逻辑连词，用于构建复杂且有条件的句子。

它们在语法结构和使用方式上有一些明显区别。

本文将详细解释or和and的用法，并对它们之间的区别进行比较。

二、or的用法及示例A. or这个词在英语中有多种意义和用法，但我们主要关注它作为连词时的含义。

B. or表示两个或更多选择项之间的”或“关系，其中只需要满足一个条件即可。

例如：1. You can choose to study French or German language.（你可以选择学习法语或德语。

）2. We can go for a walk in the park, or we can watch a movie at home.（我们可以去公园散步，也可以在家看电影。

）C. 此外，在否定句中，or表示排除每个选择项都不可能发生，强调至少一个选择必须实现。

例如：1. Jane doesn't like coffee or tea.（简不喜欢咖啡或茶。

）2. The company cannot afford to hire new employees nor increase their wages.（公司无力雇佣新员工，也无法增加他们的工资。

）D. 或者我们可以使用括号把or连接起来表示多个选择项，并形成更复杂的句子：1. You can choose either red, blue, or green for your car paint.（你可以为你的汽车选择红色、蓝色或绿色的涂料。

）三、and的用法及示例A. and和or一样，也是一个常见的连词，但它表示两个或更多选择项之间的”且“关系，需要同时出现所有条件。

以下是and的几种常见用法：B. 用于列举相同类型事物或相似事件：1. There are apples, oranges, and bananas on the table.（桌子上有苹果、橘子和香蕉。

电影《不可能》经典英文台词电影《不可能》经典英文台词对白一woman: some of those stars have been burnt out for a long, long time. they're dead, but once they were so bright that their light is still travelling through space. we can still see them.(有些星星，早已在很久很久以前燃烧殆尽。

它们死了，但它们也曾经发出过耀眼的光芒，那些光芒穿过浩瀚的宇宙，终为我们的双眼所见。

)thomas: how can you tell which one is dead and which one is not?(你要怎么分辨一颗星星是死了还是活着呢?)woman: no,you can't,it's impossible.(看不出来的，这是不可能的事)it's a beautiful mystery,isn't it?(既美丽又神秘，对不对?)对白二maria: wait. did you hear that?lucas: mom,there's nothing we can do. we are almost there.we have to get to safety.maria: no,we have to help the child.lucas: mom,if another wave catches us down here,we will die. we have to climb that tree right e on.maria: where are you?lucas: mom,look at you,we need help! we cannot risk it.maria: listen.what if that boy was simon or thomas? what if they needed help? you'll want someone to help them,wouldn't we?lucas: simon and thomas are dead!maria: even if it's the last thing we do.对白三thomas: i'm scared.henry: i know,i know. i'm scared too. but you know,you know,the most scary bit for me...thomas: when the water hit.henry: no. after that,when i came up,i was on my own. that was the scariest part. and then i saw the two of you climbing to the tree. i didn't feel so scared anymore.i knew i wasn't on my own. you see? what if mommy and lucas are on their own right now... imagine how scared they'll be.thomas: we'll look for them together, you can...henry: no! thomas,you have to look after simon. and i'm going to keep looking for them. okay?对白四bryan: yes,henry?henry: bryan,it's me again. look. i promise i won't stop looking until i find them,okay? i don't know what todo,because it's nighttime. but i'll look in all hospitals,i'll look in all shelters.i will find them,i promise you that.对白五woman: i have a family too. i've been saving my strength... because i want to see them... one more time.电影《不可能》剧情简介影片《不可能》又名《惊天巨啸》取材于2004年印度洋海啸时发生的一桩真实事件，影片通过一个家庭在灾难前后的种种经历，讲述关于人性的主题。

二难推理的规则
二难推理是一种逻辑推理的方式，它基于一个假设，即在给定的情况下，只有两种可能的解释或选择。

以下是一些常见的二难推理规则：
1. 排除法：通过排除掉一个不可能的选择来确定另一个选择的正确性。

例如，如果只有两个人在房间里，且只有一个人是偷窃犯，那么如果你知道其中一个人不是偷窃犯，那么另一个人必然是偷窃犯。

2. 反证法：通过假设一个不可能的情况，然后推导出矛盾的结论，从而确认另一个选择的正确性。

例如，如果假设某个陈述是真的，然后通过逻辑推导得出矛盾的结论，那么这个陈述必然是错误的。

3. 假设与否定：通过假设一个选择是正确的，然后推导出矛盾的结论，再假设这个选择是错误的，然后推导出矛盾的结论，最终确定正确的选择。

这种推理方法通常用于证明数学定理或逻辑论证中。

4. 归谬法：通过将一个论点归结到两种可能的选择中的一种，然后逐一检查这两种选择是否都导致矛盾的结论，从而确定正确的选择。

这种推理方法常用于论证论点的正确性。

需要注意的是，二难推理并不一定能够得出绝对正确的结论，它只是一种推理的方法，可能会存在漏洞或局限性。

因此，在进行二难推理时，需要谨慎思考和分析，同时考虑其他可能性和证据。

不可能的可能作文初二英文回答：Is it possible for something impossible to happen? This question may seem paradoxical at first, but upon closer examination, we can find that there are situations where the seemingly impossible becomes possible.One example of the impossible becoming possible is the invention of the airplane. In the past, it was believedthat humans could never fly like birds. However, the Wright brothers proved this belief wrong when they successfully built and flew the first airplane in 1903. This groundbreaking achievement showed that what was once considered impossible could indeed become possible with determination, innovation, and hard work.Another example is the concept of teleportation. In science fiction, teleportation is often portrayed as a means of instant transportation from one place to another.While it may seem like an impossible idea, scientists have actually made significant progress in the field of quantum teleportation. Through the manipulation of quantum entanglement, particles can be instantaneously transported over vast distances. Although teleportation in the same sense as depicted in movies may not be possible yet, the advancements in quantum mechanics suggest that it may become a reality in the future.Furthermore, the idea of time travel has long been a subject of fascination and speculation. While time travel remains purely theoretical at the moment, there have been scientific studies and experiments that explore the possibility of bending space-time to enable travel to the past or future. For instance, the theory of relativity proposed by Albert Einstein suggests that time dilation can occur near massive objects or at high speeds. This means that time can be experienced differently depending on the observer's frame of reference. Although time travel isstill considered impossible by many, the ongoing research and discoveries in physics may one day make it a possibility.In conclusion, while the word "impossible" implies something that cannot be achieved, history and scientific advancements have shown that what was once considered impossible can become possible. The examples of the invention of the airplane, progress in teleportation, and the theoretical possibility of time travel demonstrate that with determination, innovation, and scientific exploration, the boundaries of what is possible can be pushed further. As the saying goes, "Nothing is impossible if you believein yourself."中文回答：不可能的事情有可能发生吗？这个问题一开始可能看起来似乎矛盾，但仔细考虑后，我们会发现有些情况下看似不可能的事情变得可能。

如何理解不可能或我可能英语作文The Elusive Dichotomy of "Impossible" and "I Can"The concepts of "impossible" and "I can" often present a fascinating dichotomy in the realm of human endeavor. These two opposing forces shape our perspectives, influence our decisions, and determine the course of our actions. Understanding the nuances and interactions between these two ideas is crucial for personal growth and achieving our goals.The word "impossible" is often used as a deterrent, a convenient excuse for not attempting something new or challenging. It's a shorthand for saying, "This task is beyond my capabilities" or "The odds are stacked against me." However, the reality is far more complex. What seems impossible today might be feasible tomorrow with new technology, better planning, or simply more perseverance. The impossibility often lies not in the task itself but in our perception of it.On the other hand, "I can" is a declaration of faith in oneself, a statement of personal agency and potential. It's an affirmation that regardless of the obstacles, one has the ability, the resources, and the willpower to achieve a goal. This mindset is the foundation of every successful endeavor, whether it's scaling a mountain, inventing a new technology, or overcoming personal challenges.The challenge lies in reconciling these two seemingly contradictory forces. How do we maintain the optimism of "I can" while acknowledging the potential limitations of "impossible"? The answer lies in a balanced approach that combines realism with ambition.Firstly, we need to cultivate a mindset of growth and learning. Instead of seeing impossibility as a permanent barrier, we should view it as a temporary challenge. This shift in perspective allows us to approach even the most daunting tasks with an open mind and a sense of adventure.Secondly, we should invest in self-development. Bycontinuously improving our skills, knowledge, and attitude, we increase our chances of turning impossible dreams into realizable goals. This involves setting clear targets, planning effectively, and persevering in the face of setbacks.Moreover, it's important to recognize that success often hinges on external factors beyond our control. Circumstances, timing, and support from others can significantly influence our chances of success. Byfostering positive relationships and creating opportunities for ourselves, we create the conditions for converting "impossible" into "I can."In conclusion, the journey from "impossible" to "I can" is not a linear one. It's a series of small steps, each built on the foundation of the previous one. It's about finding the balance between realism and ambition, between understanding our limitations and pushing beyond them. By maintaining this balance, we can turn even the most impossible dreams into a reality.(Note: This essay is a condensed version of the requested length. While it captures the essence of the topic, it may not meet the exact word count requirement.)。