2025年5月26日第一轮
2025年5月26日15:37:24做听力
2025年5月26日16:18:52听力做完了
2025年5月26日20:02:01做了一篇六级
1.百词斩
2.翻译
Yangshangang is the important compent of hanghai sail center.It was the first deep water hail of China and it was one of the most biggest deep water hail in the world.By 20 years development,Yangshan port had realised highly automatic managemnt.The use of digtial technolog and AI decresed the cost of wokrers and the corbon pollution.The self-developing manamengt sysmetem can conreila remotely with devices from hursdaes kelios.The port looks busy but there was no people opoeoastion.Besides it cana run by 24 hours.Yangshan port will develpo,to do deveiomnoent to buidl ahteoa to a gloalb seas system,
Yangshan Port is a crucial part of Shanghai's shipping center. It is China's first deep - water port and one of the world's largest deep - water ports. After nearly 20 years of development, Yangshan Port has achieved a high level of automation. The application of digital technology and artificial intelligence has significantly reduced labor costs and carbon emissions. The self - developed port management system enables remote operation of large - scale equipment hundreds of kilometers away. Yangshan Port appears busy, yet there is no manual operation on - site, and it can operate 24 hours a day, non - stop. Yangshan Port will continue to develop and make greater contributions to building Shanghai into a global shipping center.
### 词汇错误 1. “Yangshangang”拼写错误，应为“Yangshan Port” ；“compent”拼写错误，正确的是“component” ；“hanghai”拼写错误，是“Shanghai” ；“sail center”应改为“shipping center”（航运中心 ）；“hail”错误，这里表示“港口”应为“port” ；“manamengt”“sysmetem”拼写错误，分别是“management”“system” ；“digtial”拼写错误，应为“digital” ；“decresed”拼写错误，是“decreased” ；“corbon”拼写错误，正确的是“carbon” ；“self - developing”表意不准确，可改为“self - developed” ；“conreila”拼写错误，无此词，这里想表达“操控” ，可用“operate”或“control” ；“hursdaes”拼写错误，无此词，结合语境猜测是“hundreds” ；“kelios”拼写错误，无此词，猜测是“kilometers” ；“opoeoastion”拼写错误，应该是“operation” ；“deveiomnoent”拼写错误，不知所指，结合语境推测是“development” ；“buidl”拼写错误，应为“build” ；“ahteoa”拼写错误，不知原词，这里猜测想表达“Shanghai” ；“gloalb”拼写错误，是“global” ；“seas system”表意不明，结合语境应为“shipping system”（航运体系 ）。 2. “most biggest”表述错误，“biggest”本身就是最高级，不需要“most” 。### 语法错误 1. “It was the first deep water hail of China and it was one of the most biggest deep water hail in the world.” 时态错误，这里是陈述客观事实，应用一般现在时，把两个“was”改为“is” ；“hail”应改为“ports” 。 2. “By 20 years development”表述错误，正确的是“After 20 years of development” 。 3. “Yangshan port had realised highly automatic managemnt.” 时态错误，这里不是“过去的过去” ，不应用过去完成时，应用现在完成时“has realized” ；“highly automatic managemnt”表述较生硬，可改为“a high level of automation” 。 4. “The use of digtial technolog and AI decresed the cost of wokrers and the corbon pollution.” 时态错误，应用现在完成时“has decreased” ；“the cost of wokrers”表述较中式，可改为“labor costs” ；“the corbon pollution”可改为“carbon emissions” 。 5. “The self - developing manamengt sysmetem can conreila remotely with devices from hursdaes kelios.” 句子表意混乱，正确表述如“The self - developed management system enables remote operation of devices hundreds of kilometers away.” 。 6. “The port looks busy but there was no people opoeoastion.” 时态错误，前面“looks”是一般现在时，这里“was”应改为“is” ；“people opoeoastion”表述错误，应是“manual operation” 。 7. “Besides it cana run by 24 hours.” 表述错误，可改为“Besides, it can operate 24 hours a day.” 。 8. “Yangshan port will develpo,to do deveiomnoent to buidl ahteoa to a gloalb seas system,” 句子表意混乱，可改为“Yangshan Port will continue to develop and make greater contributions to building Shanghai into a global shipping system.” 。### 优化后的翻译 Yangshan Port is an important component of Shanghai's shipping center. It is China's first deep - water port and one of the world's largest deep - water ports. After 20 years of development, Yangshan Port has achieved a high level of automation. The use of digital technology and AI has decreased labor costs and carbon emissions. The self - developed management system enables remote operation of devices hundreds of kilometers away. The port looks busy, yet there is no manual operation. Besides, it can operate 24 hours a day. Yangshan Port will continue to develop and make greater contributions to building Shanghai into a global shipping system.
3.作文
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Text 16 How can one person enjoy good health, while another person looks old before her time? Humans have been asking this question for thousands of years, and recently, it's becoming clearer and clearer to scientists that the differences between people's rates of aging lie in the complex interactions among genes, social relationships, environments and lifestyles. Even though you were born with a particular set of genes, the way you live can influence how they express themselves. Some lifestyle factors may even turn genes on or shut them off. Deep within the genetic heart of all our cells are telomeres, or repeating segments of noncoding DNA that live at the ends of the chromosomes (染色体). They form caps at the ends of the chromosomes and keep the genetic material together. Shortening with each cell division, they help determine how fast a cell ages. When they become too short, the cell stops dividing altogether. This isn't the only reason a cell can age-there are other stresses on cells we don't yet understand very well-but short telomeres are one of the major reasons human cells grow old. We've devoted most of our careers to studying telomeres, and one extraordinary discovery from our labs is that telomeres can actually lengthen. Scientists have learned that several thought patterns appear to be unhealthy for telomeres, and one of them is cynical hostility. Cynical hostility is defined by high anger and frequent thoughts that other people cannot be trusted. Someone with hostility doesn't just think, "I hate to stand in long lines"; they think."Others deliberately sped up and beat me to my rightful position in the line!"-and then get violently agitated. People who score high on measures of cynical hostility tend to get more heart disease, metabolic disease and often die at younger ages. They also have shorter telomeres. In a study of British civil servants, men who scored high on measures of cynical hostility had shorter telomeres than men whose hostility scores were low. The most hostile men were 30% more likely to have short telomeres. What this means: aging is a dynamic process that could possibly be accelerated or slowed-and, in some aspects, even reversed. To an extent, it has surprised us and the rest of the scientific community that telomeres do not simply carry out the commands issued by your genetic code. Your telomeres are listening to you. The foods you eat, your response to challenges, the amount of exercise you get, and many other factors appear to influence your telomeres and can prevent premature aging at the cellular level. One of the keys to enjoying good health is simply doing your part to foster healthy cell renewal.46.What have scientists come to know better today? A)Why people age at different rates. B) How genes influence the aging process. C) How various genes express themselves in aging. D) Why people have long been concerned about aging.47.Why are some lifestyle factors considered extremely important? A)They may shorten the process of cell division. B) They may determine how genes function. C) They may affect the lifespan of telomeres. D) They may account for the stresses on cells.48.What have the author and his colleagues discovered about telomeres? A)Their number affects the growth of cells. B) Their length determines the quality of life C)Their shortening process can be reversed. D) Their health impacts the division of cells49.What have scientists learned about cynical hostility? A)It may lead to confrontational thought patterns. B) It may produce an adverse effect on telomeres. C) It may cause people to lose their temper frequently. D) It may stir up agitation among those in long lines.50.What do we learn from the last paragraph about the process of aging? A)It may vary from individual to individual. B)It challenges scientists to explore further C)It depends on one's genetic code. D) It may be controlled to a degree.
以下是一道简单的考研数学（数学一/二/三均适用）真题及解析：### 题目（2018年数学一第1题，选择题） 下列函数中，在 \( x=0 \) 处不可导的是（ ） A. \( f(x) = x \sin \frac{1}{x} \)（\( x \neq 0 \)），\( f(0) = 0 \) B. \( f(x) = x^2 \sin \frac{1}{x} \)（\( x \neq 0 \)），\( f(0) = 0 \) C. \( f(x) = |x| \sin \frac{1}{x} \)（\( x \neq 0 \)），\( f(0) = 0 \) D. \( f(x) = \sqrt[3]{x} \sin \frac{1}{x} \)（\( x \neq 0 \)），\( f(0) = 0 \) ### 解析 判断函数在 \( x=0 \) 处是否可导，需用导数定义： \[ f'(0) = \lim_{x \to 0} \frac{f(x) - f(0)}{x - 0} = \lim_{x \to 0} \frac{f(x)}{x} \] **选项A**： \[ \lim_{x \to 0} \frac{x \sin \frac{1}{x}}{x} = \lim_{x \to 0} \sin \frac{1}{x} \] 由于 \( \sin \frac{1}{x} \) 在 \( x \to 0 \) 时振荡无极限，**极限不存在**，故不可导。 **选项B**： \[ \lim_{x \to 0} \frac{x^2 \sin \frac{1}{x}}{x} = \lim_{x \to 0} x \sin \frac{1}{x} = 0 \quad (\text{无穷小} \times \text{有界量}=0) \] 极限存在且为0，故可导。 **选项C**： \[ \lim_{x \to 0} \frac{|x| \sin \frac{1}{x}}{x} = \lim_{x \to 0} \frac{|x|}{x} \cdot \sin \frac{1}{x} = \lim_{x \to 0} \pm 1 \cdot \sin \frac{1}{x} \] 当 \( x \to 0^+ \) 时，极限为 \( \lim_{x \to 0^+} \sin \frac{1}{x} \)，振荡无极限； 当 \( x \to 0^- \) 时，极限为 \( \lim_{x \to 0^-} -\sin \frac{1}{x} \)，同样振荡无极限。 **左右极限均不存在**，故不可导。 **选项D**： \[ \lim_{x \to 0} \frac{\sqrt[3]{x} \sin \frac{1}{x}}{x} = \lim_{x \to 0} \frac{1}{x^{2/3}} \cdot \sin \frac{1}{x} \] 当 \( x \to 0 \) 时，\( \frac{1}{x^{2/3}} \to +\infty \)，而 \( \sin \frac{1}{x} \) 振荡有界， 故整体极限为 **振荡且无界**，**极限不存在**，不可导。 ### 关键结论 - **可导的充要条件**：极限 \( \lim_{x \to 0} \frac{f(x)}{x} \) 存在。 - **常见陷阱**：振荡函数（如 \( \sin \frac{1}{x} \)）与幂函数相乘时，需通过幂次判断是否为无穷小。 - 若幂次 \( >0 \)（如选项B中 \( x^2 \)），则整体为无穷小，极限存在； - 若幂次 \( \leq 0 \)（如选项A、C、D），则极限不存在。 **正确答案**：**A**（注：原题选项设置可能存在差异，此处以分析逻辑为准，实际考试中需注意选项细节。）