第四章 酶for graduates candidates
浙江专升本英语图表类作文
浙江专升本英语图表类作文1Oh my goodness! Let's take a close look at the charts related to the Zhejiang College Upgrade English Examination. How fascinating and revealing they are!First, let's focus on the changes in the number of applicants over the years. Surprisingly, the number has been steadily increasing! Why is that? Well, it could be due to the adjustments in educational policies, which provide more opportunities for students to pursue higher education. Isn't that wonderful?Then, when we turn to the comparison of admission rates among different majors, it's truly eye-opening! Some majors have seen a significant rise in admission rates, while others have remained relatively stable. This might be attributed to the changes in the job market demands. As certain industries boom, the demand for professionals in related majors increases, leading to higher admission rates. How astonishing is that?In conclusion, the trends and characteristics shown in these charts offer valuable insights. They not only reflect the development of education and the job market but also guide students in making informed decisions about their future. Isn't it crucial for us to understand these changes and adapt accordingly?2The graph depicting the enrollment scale of a certain major in Zhejiang's college upgrade program presents a fascinating panorama! As we closely examine the data, several trends and influencing factors come to light.The upward trajectory of the enrollment numbers could be attributed to the burgeoning rise of emerging industries. With the rapid development of technologies like artificial intelligence and big data, the demand for professionals in related fields has soared. This has undoubtedly led to an expansion in the recruitment of students in this major.Moreover, the implementation of college expansion plans by educational institutions has also played a significant role. The aim is to provide more educational opportunities and cultivate a larger pool of talents to meet the growing needs of society.However, one must also consider potential challenges and uncertainties. Will the market saturation of this major in the future lead to employment difficulties for graduates? And how will changes in technological advancements and economic fluctuations impact the enrollment scale?Looking forward, it seems likely that the enrollment of this major will continue to increase, but at a more moderate pace. The education sector will likely adjust the recruitment based on market feedback and the overalldevelopment of the economy. But who can truly predict the future with certainty? Only time will tell!3Oh my goodness! The data presented in the Zhejiang college upgrade English chart is truly eye-opening. Take, for instance, the case of a certain major that shows an incredibly intense competition. This is indeed a cause for concern and calls for immediate attention!For the students preparing for the exam, it's of utmost importance to have a well-structured study plan. They should start by thoroughly understanding the syllabus and exam pattern. Daily practice of English grammar, vocabulary, and reading comprehension is a must! How about joining study groups or online forums to exchange ideas and learn from each other? And don't forget to do mock tests regularly to assess your progress.As for the institutions, they need to optimize their recruitment plans. Couldn't they increase the number of available seats in highly demanded majors? Maybe they should also consider diversifying the evaluation criteria rather than relying solely on exam scores. This would give more talented students a fair chance.In conclusion, both the students and the institutions have a role to play in addressing this challenging situation. Let's work together and make the college upgrade process more fair and accessible. Isn't that what we allwant?4Oh my goodness! Let's take a look at the fascinating charts related to the English subject in the Zhejiang college upgrade examination. When comparing the admission situations of candidates from different years or regions, some remarkable commonalities and differences come to light. For instance, when we contrast the admission rates of candidates from urban and rural areas, a significant gap can be observed. How come this happens? Well, one of the main reasons could undoubtedly be the uneven distribution of educational resources! In urban areas, students have access to better schools, advanced teaching facilities, and highly qualified teachers. But in rural areas, the situation is quite the contrary. Poor infrastructure and a shortage of excellent educators pose great challenges for rural students. However, is this the only factor? No! Another crucial aspect could be the difference in family support and educational awareness. Urban families might attach more importance to education and provide more support and resources for their children's learning. In contrast, rural families might have limited awareness and capabilities in this regard. So, isn't it high time that we took measures to bridge this gap and ensure a fairer educational environment for all? We should strive to allocate educational resources more evenly and enhance educational support in rural areas. Let's work together to create a more balanced and just educational landscape!5The data presented in the chart regarding the Zhejiang Upgrading from College to University English exam is truly thought-provoking! It shows a disturbing trend when it comes to the admission rates of candidates from different family backgrounds. How can we ensure fairness in education when some seem to have more advantages than others?Look at the figures! Those from privileged families have a significantly higher chance of getting admitted, while those from less fortunate backgrounds struggle to make it. This is a blatant injustice! Isn't it the responsibility of our society to provide equal educational opportunities for all? We should be questioning why this disparity exists and what can be done to rectify it.Education is the key to a better future, but if it's not accessible to everyone on an equal footing, how can we expect a truly just and developed society? We need to invest more in educational resources for disadvantaged students. We need to provide better support and guidance to ensure that their potential is not wasted.Isn't it time for us to take serious action? Shouldn't we strive to create a system where everyone, regardless of their family background, has an equal chance to pursue higher education and fulfill their dreams? The future of our society depends on it!。
大学生找工作难英语作文
大学生找工作难英语作文In recent years, the difficulty of college graduates securing employment has become a pressing issue. As the number of graduates increases annually, the job market has become increasingly competitive. This essay will explore the reasons behind this trend and suggest potential solutions toalleviate the situation.Firstly, the rapid expansion of higher education has led to a surge in the number of graduates. This has resulted in an oversupply of job seekers with similar qualifications, making it harder for individuals to stand out. Employers are often overwhelmed with applications and may not have the resources to thoroughly assess each candidate.Secondly, the mismatch between the skills taught in universities and those demanded by the job market is a significant factor. Many graduates find that their academic qualifications do not directly translate into the practical skills required for the positions they seek. This skills gap can leave graduates feeling underprepared and employers dissatisfied with the applicant pool.Thirdly, the economic landscape has shifted, with many industries experiencing downsizing or restructuring. This has led to fewer entry-level positions and increased competition for the available roles. Graduates often face the challenge of competing with more experienced candidates for the samepositions.To address these challenges, several measures can be taken. Firstly, universities should work closely with industry partners to ensure that their curricula are aligned with current job market needs. This would equip graduates with the relevant skills and knowledge to meet employer expectations.Secondly, career guidance and internship programs should be strengthened. These initiatives can help students gain practical experience and better understand the job market, making them more attractive to potential employers.Lastly, government and private sectors can collaborate to create more internship and entry-level opportunities. This would provide graduates with a stepping stone into the workforce and help to reduce the current bottleneck in the job market.In conclusion, the difficulty of college graduates finding jobs is a multifaceted issue that requires a concerted effort from various stakeholders. By addressing the root causes and implementing strategic solutions, it is possible to improve the employment prospects for graduates and ensure a more robust and dynamic workforce for the future.。
2022年12月英语四级考试真题一
2022年12月英语四级考试真题一全文共3篇示例，供读者参考篇12022年英语四级考试真题一Part I Writing (30 minutes)Directions: For this part, you are allowed 30 minutes to write an essay commenting on the saying "Never put off until tomorrow what you can do today." You can cite examples to illustrate the importance of seizing the moment. You should write at least 150 words but no more than 200 words.Part II Reading Comprehension (Skimming and Scanning) (15 minutes)Directions: In this part, you will have 15 minutes to go over the passage quickly and answer the questions on Answer Sheet 1. For questions 1-7, choose the best answer from the four choices marked A), B), C) and D). For questions 8-10, complete the sentences with the information given in the passage.Passage OnePlastic pollution is one of the major environmental challenges facing the world today. The vast majority of plastics are not biodegradable and can take hundreds of years to decompose. This has led to plastic waste accumulating in landfills and oceans, causing harm to wildlife and potentially entering the food chain.1. What is the main topic of the passage?A) The harm caused by plastic pollution.B) The benefits of using plastic products.C) The biodegradability of plastics.D) The future of plastic waste management.2. Why is plastic pollution a major environmental challenge?A) Because plastics are cheap to produce.B) Because plastics are not biodegradable.C) Because plastics are lightweight.D) Because plastics are widely used in industries.3. According to the passage, what happens to plastic waste?A) It decomposes quickly.B) It harms wildlife and enters the food chain.C) It is biodegradable.D) It has no impact on the environment.Passage TwoThe importance of sleep cannot be overstated. Sleep plays a vital role in promoting physical health, emotional well-being, and cognitive function. Lack of sleep has been linked to numerous health problems, including obesity, diabetes, and heart disease. Therefore, it is essential to prioritize sleep and create healthy sleep habits.4. What is the main point of the passage?A) Sleep is essential for good health.B) Sleep is a waste of time.C) Sleep is only important for physical health.D) Lack of sleep has no impact on health.5. What health problems are associated with lack of sleep?A) Diabetes and heart disease.B) Obesity and depression.C) Cancer and Alzheimer's disease.D) Influenza and the common cold.6. According to the passage, why is it important to prioritize sleep?A) To improve cognitive function.B) To lose weight.C) To increase work productivity.D) To socialize with friends.Passage ThreeTraditional Chinese medicine (TCM) is a holistic approach to health that has been practiced for thousands of years. It involves the use of herbal medicine, acupuncture, and other therapies to promote balance and harmony in the body. TCM is gaining popularity in Western countries as people seek alternative treatments for various health conditions.7. What is the main focus of TCM?A) Acupuncture therapy.B) Herbal medicine.C) Western medicine.D) Holistic health.8. According to the passage, what is TCM's approach to health?9. What are some of the therapies used in TCM?10. Why is TCM becoming more popular in Western countries?Part III Listening Comprehension (30 minutes)Section ADirections: In this section, you will hear three news reports. At the end of each news report, you will hear two or three questions. Both the news report and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C), and D). Then mark the corresponding letter on Answer Sheet 1 with a single line through the center.Questions 11 and 12 are based on the news report you have just heard.11. A) To announce her pregnancy.B) To promote her new album.C) To address rumors about her personal life.D) To share her fitness routine.12. A) It involves a dance routine.B) It is dedicated to her fans.C) It raises awareness about a social issue.D) It features other celebrities.Questions 13 and 14 are based on the news report you have just heard.13. A) It highlights a global issue.B) It features an all-star cast.C) It is directed by a famous filmmaker.D) It tells the story of a real-life hero.14. A) It promotes gender equality.B) It highlights racial discrimination.C) It addresses climate change.D) It raises funds for charity.Questions 15 and 16 are based on the news report you have just heard.15. A) An artwork.B) A documentary.C) An interview.D) A music video.16. A) Shed light on a social issue.B) Promote a new product.C) Raise money for charity.D) Launch a political campaign.Section BDirections: In this section, you will hear two long conversations. At the end of each conversation, you will hear four questions. Both the conversation and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C), and D). Then mark the corresponding letter on Answer Sheet 1 with a single line through the center.Questions 17 to 20 are based on the conversation you have just heard.17. A) His extensive travel experience.C) His writing skills.D) His latest book.18. A) The history of the city.B) The best places to eat.C) The local customs and traditions.D) The language spoken.19. A) Buy a map of the city.B) Make a list of must-visit attractions.C) Book a guided tour.D) Learn some basic phrases in the local language.20. A) Visit the museums.B) Taste the local cuisine.C) Attend a cultural event.D) Take a cooking class.Questions 21 to 24 are based on the conversation you have just heard.B) He runs a cooking school.C) He is an expert on Italian cuisine.D) He has a passion for home cooking.22. A) The popularity of Italian cuisine.B) The health benefits of the Mediterranean diet.C) The importance of using fresh ingredients.D) The influence of Italian cuisine on other cultures.23. A) To enjoy a delicious meal.B) To learn how to cook authentic Italian dishes.C) To experience Italian culture.D) To socialize with other food enthusiasts.24. A) Offer cooking classes.B) Provide catering services.C) Host dinner parties.D) Open a restaurant.Part IV Translation (30 minutes)Directions: For this part, you are allowed 30 minutes to translate a passage from Chinese to English. You should write your answer on Answer Sheet 2.在当今快节奏的社会中，许多人感到压力大，精神紧张。
What makes it difficult for graduates to find jobs 大学生就业难,难在哪
In the most recent episode of Digest China, we asked a number of employers what makes it difficult for them to recruit workers, and more importantly, ideal workers. The experts we interviewed said, the changes in China's economic structure and work force, the expansion of China's higher education and the dissymmetry in expectations between employers and college graduates all contribute to employers' recruitment troubles. But what does the picture look like from a job seeker's point of view? While official statistics show China's available jobs actually outnumber job seekers, why do we often hear stories about college graduates unable to find jobs? Find out in our newest episode.上期《解析中国》，我们采访了一些招工的雇主，探讨是什么让用人单位难以招到员工——特别是理想的员工。
我们采访的专家说，中国产业结构和劳动力市场的变化、中国高校的扩招，以及用人单位和大学毕业生心理预期的不对等，都造成了用人单位的招工困境。
大学生找工作难原因英语作文
大学生找工作难原因英语作文Here is an English essay on the topic "Reasons for the Difficulty of University Graduates in Finding Jobs", with a word count of more than 1,000 words.The transition from university to the workforce can be a daunting experience for many university graduates. In recent years, the job market has become increasingly competitive, making it challenging for young individuals to secure employment upon completing their studies. There are several reasons why university graduates often face difficulties in finding suitable jobs, and understanding these factors is crucial in addressing the issue.One of the primary reasons for the difficulty in finding jobs is the mismatch between the skills and qualifications of graduates and the demands of the job market. Many university programs focus on imparting theoretical knowledge, while employers are seeking individuals with practical skills and experience. Graduates may possess the academic credentials, but lack the hands-on expertise required for specific roles. This disconnect between education and industry needs can be a significant barrier for graduates seeking employment.Furthermore, the job market is often oversaturated with highly educated individuals, leading to fierce competition for a limited number of available positions. As more students pursue higher education, the supply of qualified candidates often exceeds the demand for certain job roles. This oversaturation can make it challenging for graduates to stand out and differentiate themselves from their peers, leading to a prolonged and frustrating job search process.Another factor contributing to the difficulty in finding employment is the lack of relevant work experience. Many entry-level positions require some level of prior experience, which can be a catch-22 for recent graduates. Without the opportunity to gain practical experience, it becomes increasingly challenging for them to acquire the necessary skills and qualifications to be considered for these roles. This lack of experience can be a significant obstacle for graduates, as employers often prioritize candidates with a proven track record.Moreover, the current economic climate and the impact of global events, such as the COVID-19 pandemic, have further exacerbated the challenges faced by university graduates. Economic downturns and uncertain market conditions can lead to a reduction in job opportunities, as employers become more cautious in their hiringpractices. This can make it even more difficult for graduates to find employment, as they compete with a larger pool of experienced professionals who may also be seeking new job opportunities.Additionally, the job search process itself can be a daunting and overwhelming experience for many graduates. Navigating the various job platforms, networking, and crafting effective resumes and cover letters can be time-consuming and challenging. Graduates may lack the necessary skills or guidance to effectively market themselves and stand out in a competitive job market, further hindering their chances of securing employment.Furthermore, the increasing emphasis on specialized skills and niche expertise can also pose a challenge for university graduates. As industries become more specialized, employers are seeking candidates with highly specific skill sets, which may not always align with the broad-based education received by graduates. This can make it difficult for graduates to find roles that perfectly match their qualifications, leading to a mismatch between their skills and the job requirements.Another factor contributing to the difficulty in finding jobs is the lack of practical training and internship opportunities during the university experience. While many universities strive to provide students with opportunities to gain hands-on experience, theavailability and quality of these programs can vary. Graduates who have not had the chance to apply their knowledge in a professional setting may find it harder to demonstrate their capabilities to potential employers.Finally, the geographical location and job market conditions in specific regions can also play a significant role in the job search process for university graduates. Some areas may have a more vibrant job market and greater employment opportunities, while others may face economic challenges and limited job openings. Graduates from universities in regions with fewer job prospects may need to consider relocating or expanding their search to more favorable job markets, which can present additional challenges and complexities.In conclusion, the difficulty faced by university graduates in finding jobs is a multifaceted issue that requires a comprehensive approach to address. The mismatch between education and industry needs, the oversaturation of the job market, the lack of relevant work experience, the impact of economic conditions, the challenges of the job search process, the emphasis on specialized skills, the limited practical training opportunities, and the regional job market variations all contribute to the challenges graduates face. By understanding these factors and implementing targeted strategies to address them, universities, employers, and policymakers can worktogether to create more favorable conditions for university graduates to successfully transition into the workforce.。
毕业后找工作的面临挑战英语作文
毕业后找工作的面临挑战英语作文全文共3篇示例，供读者参考篇1The Daunting Task of Securing Employment After GraduationAs my college days are drawing to a close, the overwhelming reality of having to find a job is setting in. For the past four years, I've been cocooned in the sheltered environment of university life – going to classes, hanging out with friends, pullingall-nighters to cram for exams. While this experience has been invaluable in shaping who I am, it has also left me largely unprepared for the harsh realities of the professional world that await me.The first and most obvious challenge I face is simply getting hired in an increasingly competitive job market. With a struggling economy and a surplus of degree-holders, landing that first job out of college is no easy feat. I've heard horror stories from recent graduates about sending out hundreds of resumes and cover letters, only to be met with radio silence orcurt rejection emails. The prospect of such an uphill battle is demoralizing, to say the least.Even if I do manage to get my foot in the door with interviews, I'm gripped by fears of being ill-equipped to impress potential employers. In the academic setting, success is primarily measured by test scores, GPA, and the ability to recite facts learned from textbooks. However, the working world seems to place more emphasis on practical experience, specialized skills, and the ability to think critically and solve real-world problems. My lack of professional experience makes me feel like I'm at a disadvantage compared to those who had internships or co-op placements during their studies.Moreover, I can't help but be intimidated by the prospect of navigating the corporate landscape as a fresh-faced newcomer. University has provided me with theoretical knowledge, but there's a whole unwritten code of conduct in the workplace that I have yet to grasp. How do I conduct myself in meetings? How do I communicate effectively with superiors and colleagues? How do I deal with office politics and potential conflicts? These are all aspects of work life that simply can't be learned from a textbook.Then there's the issue of having to relocate for a job opportunity, which is a very real possibility given the current jobmarket. While the idea of moving to a new city is exciting, it's also fraught with challenges – finding affordable housing, adapting to a new environment, being away from family and friends. The thought of having to uproot my life and start fresh somewhere else is both thrilling and terrifying.Perhaps the biggest challenge I face, however, is the overwhelming sense of uncertainty about my future. For the past few decades, I've been able to follow a relatively structured path – elementary school, middle school, high school, college. Each step had a clear goal, and once I achieved it, the next step was mapped out. Now, as I stand on the precipice of the "real world," I'm plagued by doubts and endless questions. What if I can't find a job in my desired field? What if I end up in a career I'm not passionate about? What if I make the wrong choices and end up regretting them down the line?Despite all these concerns, I know that I must press on and confront these challenges head-on. Complacency and fear of the unknown will only hold me back from reaching my full potential. It's a daunting and uncertain road ahead, but I'm determined to tackle it with resilience, optimism, and a willingness to learn and adapt.After all, life is about taking risks and stepping out of one's comfort zone. While the transition from student to professional may be fraught with obstacles, it's also an opportunity for growth, self-discovery, and the realization of my ambitions. I may stumble and face setbacks along the way, but each experience will be a valuable lesson that shapes my character and future.As I bid farewell to the familiarity of university life, I'm filled with a bittersweet mix of nostalgia and excitement for what lies ahead. The challenges are formidable, but I'm ready to embrace them and embark on this new chapter of my life's journey. With hard work, perseverance, and a positive attitude, I'm confident that I can overcome the hurdles and carve out a fulfilling and rewarding career path for myself. The road may be long and winding, but the destination is worth the struggle.篇2The Daunting Task of Finding a Job After GraduationAs I approach the end of my university journey, a new challenge looms on the horizon – the intimidating task of securing a job in the real world. The transition from the structured environment of academia to the ever-evolving landscape of the job market is a daunting one, fraught withuncertainties and obstacles that fill me with a mixture of excitement and trepidation.The first and most formidable hurdle I anticipate facing is the sheer competition in the job market. With the ever-increasing number of graduates entering the workforce each year, the competition for coveted positions has become fiercer than ever before. It's a sobering reality that for every job opening, there are countless qualified candidates vying for the same opportunity. This intense competition demands that I not only excel academically but also possess a diverse set of skills and experiences that set me apart from the crowd.Adding to the complexity of the job search is the constantly evolving nature of the job market itself. The advent of new technologies, shifting industry trends, and ever-changing employer demands have made it imperative for me to be adaptable and versatile. The skills and knowledge I have acquired during my university years may quickly become obsolete, necessitating a commitment to lifelong learning and professional development. Navigating this dynamic landscape requires a keen awareness of industry trends, a willingness to embrace change, and the ability to continuously upskill and reinvent myself.Another significant challenge I anticipate facing is the transition from the structured academic environment to the professional world. University has provided me with a comfortable routine and a support system that has guided my learning and personal growth. However, the workplace operates under different rules and expectations, and the adjustment to this new reality can be overwhelming. I must be prepared to adapt to a corporate culture, navigate office politics, and develop the resilience to handle the pressures and demands of a full-time job.Furthermore, the job search process itself can be a grueling and emotionally draining experience. Writing countless resumes and cover letters, attending interviews, and potentially facing rejection can take a toll on one's confidence and motivation. It is crucial for me to develop a thick skin and maintain a positive mindset throughout this process, as perseverance and resilience are key to ultimately securing the right opportunity.Networking and building professional connections also present a significant challenge for many fresh graduates like myself. While the importance of networking has been emphasized time and time again, putting it into practice can be intimidating. Stepping out of my comfort zone, attendingindustry events, and actively seeking out mentors and professionals in my field of interest require confidence and strong interpersonal skills – skills that may not have been fully developed during my academic years.Despite these challenges, I remain optimistic and determined to overcome them. I recognize that the path to securing a fulfilling career may not be a linear one, and I must be prepared to embrace detours and unexpected opportunities along the way. Remaining open-minded, adaptable, and persistent will be key to navigating this phase of my life successfully.To better equip myself for the challenges ahead, I have been actively seeking out internships and volunteering opportunities to gain practical experience and build my professional network. Additionally, I have been working closely with my university's career services to refine my job search strategies, polish my resume and cover letters, and prepare for interviews.While the road ahead is undoubtedly challenging, I am comforted by the knowledge that countless graduates before me have successfully navigated this transition. With hard work, determination, and a willingness to learn and adapt, I amconfident that I too can overcome these obstacles and secure a fulfilling career that aligns with my passions and aspirations.The journey from graduation to securing a job may be a arduous one, but it is a necessary rite of passage that will shape my personal and professional growth. By embracing the challenges head-on, I will emerge as a more resilient, adaptable, and well-rounded individual, better prepared to thrive in the ever-changing landscape of the modern workforce.篇3The Daunting Challenge of Landing that First Job After CollegeAs I approach the end of my college journey, a new and daunting challenge looms before me – finding my first real job in the professional world. For the past four years, my primary focus has been on academics, extracurriculars, and frankly, just surviving the roller coaster ride of university life. But now, the stakes feel higher than ever as I prepare to take thatnerve-wracking step into the job market.The pressure to secure employment after graduation is immense. It's not just about financial independence or putting that hard-earned degree to use; it's about proving to myself andthe world that I'm capable of thriving in the real world. The transition from student to professional is a rite of passage that fills me with equal parts excitement and trepidation.One of the biggest challenges I face is the sheer competition in today's job market. With each passing year, the pool of qualified candidates seems to grow larger, making it increasingly difficult to stand out from the crowd. Employers can afford to be incredibly selective, and even entry-level positions require a wealth of experience, skills, and accomplishments that can be challenging for a fresh graduate to possess.Crafting the perfect resume and cover letter is an art form in itself. How do I effectively convey my capabilities, achievements, and potential in just a few pages? How can I make my application shine amidst hundreds, if not thousands, of others? It's a delicate balance between selling myself and avoiding the dreaded perception of overconfidence or arrogance.Then there's the interview process – a true test of nerves and quick thinking. Anticipating and preparing for the myriad of potential questions, from behavioral to technical, is a daunting task. How can I convince the interviewer that I'm the ideal candidate when my real-world experience is limited? How do Iproject confidence and poise when my palms are sweating, and my heart is racing?Beyond the technical aspects of the job search, there's also the emotional toll it can take. Rejection is an inevitable part of the process, but that doesn't make it any easier to swallow. Each time I receive a polite but impersonal rejection email or don't hear back at all, it chips away at my self-confidence and determination. It's a constant battle to remain motivated and resilient in the face of disappointment.Furthermore, the pressure to find not just any job, but the right job, can be overwhelming. As a fresh graduate, I'm often torn between accepting an opportunity that may not be my dream role or holding out for the perfect fit. Do I settle for something that pays the bills, or do I risk prolonging my job search in hopes of finding that elusive, fulfilling career path?Adding to the complexity is the ever-changing nature of the job market itself. The skills and qualifications that were in demand just a few years ago may now be obsolete, thanks to rapid technological advancements and shifting industry trends. Staying ahead of the curve and adapting to these changes is a constant challenge, especially for someone just starting out in their career.Despite these formidable obstacles, I remain determined to forge ahead and conquer this next chapter of my life. I draw strength from the knowledge that countless others before me have successfully navigated this treacherous terrain and emerged victorious on the other side.I remind myself that the challenges I face are not unique; they are a shared experience among graduates worldwide. By networking, seeking mentorship, and learning from the experiences of those who have gone before me, I can gain valuable insights and strategies for navigating the job search process.Moreover, I've come to realize that the challenges themselves are not necessarily obstacles, but rather opportunities for personal growth and resilience. Each rejection, each nerve-wracking interview, and each setback serves as a valuable lesson in perseverance, adaptability, and self-belief.As daunting as the prospect of finding that first job may be, I remain hopeful and optimistic. I have faith in my abilities, my education, and my determination to succeed. The challenges I face are not insurmountable; they are simply hurdles to be cleared on the path to a fulfilling and rewarding career.So, as I don the cap and gown and receive my hard-earned diploma, I embrace the challenges that lie ahead. Armed with the knowledge, skills, and experiences I've gained throughout my academic journey, I am ready to embark on this new and exciting chapter of my life. The road may be long and winding, but with unwavering determination and a positive mindset, I am confident that I will emerge triumphant, securing that elusive first job and paving the way for a successful and rewarding professional future.。
大学生就业环境难英语作文
大学生就业环境难英语作文In the rapidly evolving landscape of the 21st century, the employment prospects for college students have become increasingly complex and challenging. The global economy is constantly shifting, technologies are advancing at an unprecedented rate, and competition for jobs is fierce. Against this backdrop, the journey to finding a suitable job after graduation can be a daunting task for many young professionals.Firstly, the sheer number of graduates entering the job market each year poses a significant challenge. As universities and colleges expand their intake capacity, more students are graduating than ever before. This has led to a surplus of human capital, making it difficult for employers to sift through the numerous resumes and identify the most qualified candidates.Moreover, the rapidly evolving technological landscape has altered the job market significantly. Fields like artificial intelligence, robotics, and data analytics are growing rapidly, while traditional industries are facing decline. This shift has created a skills mismatch, as manygraduates are not equipped with the necessary knowledge and expertise to adapt to these new industries.Additionally, the COVID-19 pandemic has further complicated the employment picture for college students. The pandemic has caused widespread economic disruption, leading to job losses and hiring freezes in many sectors. As a result, the job market for graduates has become even more competitive, with fewer opportunities available.However, despite these challenges, there are also opportunities for college students to thrive in the current employment environment. Firstly, the rise of remote work and flexible job arrangements has opened up new avenues for graduates. With the advent of technology, companies can now hire employees from anywhere in the world, providing graduates with a wider range of job opportunities.Secondly, the skills mismatch can be addressed through continuous learning and upskilling. Graduates can take advantage of online courses, workshops, and internships to develop the necessary skills and expertise required in the job market. By staying updated with the latest trends andtechnologies, they can position themselves as competitive candidates for employers.Moreover, graduates can also leverage their networksand connections to find job opportunities. Building strong relationships with classmates, mentors, and industry professionals can provide access to exclusive job leads and opportunities. Additionally, participating in career fairs and job exhibitions can help graduates connect withpotential employers and understand the job market better.In conclusion, while the employment environment for college students may be challenging, it is not impossibleto find a suitable job. By staying updated with the latest trends, developing the necessary skills, and leveragingtheir networks, graduates can seize the opportunities available and build a successful career. The key is toadapt to the changing landscape, stay resilient, and never give up on the search for the perfect job.**大学生就业环境难：挑战与机遇并存的新时代**在21世纪迅速演变的背景下，大学生的就业前景变得越来越复杂和具有挑战性。
四级范文大学生就业困难问题
四级范文大学生就业困难问题Finding employment can be a daunting task for college graduates, as they often encounter various challenges in the job market. One of the main difficulties is the lack of relevant work experience, as many graduates have limited practical skills and industry knowledge. Employers tend to prefer candidates with hands-on experience, making it challenging for fresh graduates to compete with more experienced professionals.Additionally, the job market is becoming increasingly competitive, with a growing number of graduates vying for a limited number of entry-level positions. This high level of competition can make it difficult for college graduates to secure a job that matches their qualifications and career aspirations. Furthermore, the mismatch between the skills acquired in college and the requirements of the job market can also pose a significant obstacle to employment.Moreover, the impact of economic fluctuations and the changing nature of industries can further complicate the job search process for college graduates. Unpredictable economic conditions and industry disruptions can lead to job instability and reduced job opportunities, making itchallenging for graduates to establish a stable and fulfilling career path.To address these challenges, college graduates may need to consider alternative career paths, acquire additional skills through internships or training programs, and network effectively to expand their job opportunities. Furthermore, career counseling services and professional development resources can provide valuable support and guidance to help graduates navigate the competitive job market.中文翻译：对于大学毕业生来说，找工作可能是一项艰巨的任务，因为他们经常在就业市场中遇到各种挑战。
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V[S] Km + [S]
最 大 反 应 速 率
V
V
[S]很大时 V=V[S]/[S]=V
混合级
零级反应
V/2
[S]很小时 V=V[S]/Km 一级反应
0 Km （米氏常数） [S]
米氏曲线
Km=?
V=
V[S] Km + [S]
若 V＝V/2
Km
= [S]
V V [S] 1 ＝ 2 Km + [S]
三、酶的作用机制
（一）酶的活性中心（活性部位）
局限于酶分子特定部位
结合中心（专一性）
催化中心（反应性质）
结合底物，将底物转变为产物 必需基团比较集中、构成一定空间构象 与酶活性直接相关的结构区域
1.必需基团
——与酶活性直接相关的化学基团
His咪唑基、Ser-OH、Gluγ-COOH、Cys-SH
2. 系统命名
底物1 ：底物2 + 反应性质+ 酶 乳酸 + NAD+ 丙酮酸 + NADH + H+
乳酸脱氢酶
乳酸：NAD+ 氧化还原酶
当底物为水时，可省略
（二）酶的国际系统分类编号
酶的系统编号：4位数字 第一位：代表六大类反应类型 第二位：亚类（作用的基团或键的特点） 第三位：亚亚类（精确表示底物/产物的性质） 第四位：在亚亚类中的序号
诱导
契合
产物脱离
酶复原－催化剂
诱导嵌合学说（Koshland，1958）： 当底物和酶接触时，可诱导酶分子的构象 变化，使酶活性中心各基团处于和底物互 补契合的正确空间位置，有利于催化。 酶与底物靠近 定向 契合成中间产物
酶与底物相互诱导变形
产物脱离
酶与底物分子间的关系可以恰当地表述成（ ）。
C.一种辅助因子只能与一种酶蛋白结合成一种全酶
D.酶蛋白决定结合酶蛋白反应的专一性
E.辅助因子直接参加反应 全酶是指（ ）。
B.酶蛋白与辅助因子的结合物
A.结构完整无缺的酶
C.酶与抑制剂的复合物 D.酶与变构剂的复合物
酶蛋白和辅酶之间有下列关系 ( A.两者以共价键相结合
)。
B.只有全酶才有催化活性，二者缺一不可
生物催化剂
酶与一般催化剂相比所具有的特点是 (
)。
A.能加速化学反应速度 B.能缩短反应达到平衡所需时间
C.具有高度的专一性 D.反应前后质和量无改
E.对正、逆反应都有催化作用
对酶的正确叙述是 ( )。
A.能催化热力学上不能进行的反应
B.是由活细胞产生的一种生物催化剂
C.催化的反应只限于细胞内
A. 反应速度随底物增加而加快
B. 随着底物浓度增加酶逐渐失活
C. 酶结合部位全部被占据，反应速度不再增加
D. 增加抑制剂反应速度反而加快
V 反 应 初 速 度
0
底 物 浓 度 [S]
反应速度随底物浓度变化曲线
1、酶促反应动力学方程——米氏方程
中间络合物学说
E+S
k1
k2
ES
k3 k4
P+E
V=
A. His 和Lys D.Cys和 Lys B. Ala和 Phe E. Asp和 His C. Tyr和 Arg
结合蛋白酶类哪些特点？ 结合蛋白酶又称全酶，由酶蛋白和辅酶两部分组成， 分别决定酶促反应的特异性与反应的种类、性质。
酶蛋白和辅酶各自单独存在时没有活性
只有两者结合在一起组成全酶后才具有活性
A. 维持酶一级结构所必需的基团
B. 位于活性中心内或以外的，维持酶活性所必需的基团
C. 酶的亚基结合所必需的基团
D. 维持分子构象所必需的基团
E. 构成全酶分子所必需的基团
下列关于酶蛋白和辅助因子的叙述哪一点不正确？ A.酶蛋白或辅助因子单独存在时均无催化作用 B.一种酶蛋白只与一种辅助因子结合成一种全酶
+ 辅助因子
蛋白部分 非蛋白成分 全酶（结合酶）
辅助因子
{
辅基 与酶结合紧 辅酶 与酶结合松
结合酶中：
单独酶蛋白或辅助因子没有催化活性
酶保持催化活性，必须（ ）。 A. 酶分子完整无缺 C. 有金属离子参加 B. 有酶分子上所有化学基团存在 D. 有辅酶参加
E. 有活性中心及其必需基团 酶催化作用所必需的基团是指（ ）。
D. 酶催化反应的机制各不相同
E. 在酶的分类中各属不同的类别
酶的专一性可分为：
A．作用物基团专一性 B．相对专一性
C．立体异构专一性
D．绝对专一性
决定酶专一性的是（
A.辅酶 B.酶蛋白
）。
C.金属离子 D.辅基
L-AA氧化酶只催化L-AA氧化，属于（ ）专一性。 A.几何异构专一性 C.结构专一性 B.旋光异构专一性 E.绝对专一性
C.在酶促反应中两者具有相同的任务
D.一种酶蛋白通常只需一种辅酶
E.不同的酶蛋白可使用相同辅酶，催化不同的反应
辅酶与辅基的主要区别是（
）。
A.与酶蛋白结合的牢固程度不同 B.化学本质不同
C.分子大小不同
D.催化功能不同
常见的酶基
)。
B.组氨酸的咪唑基
活性中心AA HHKRDE D E H D S R E Y Zn2+ H D S
单体酶、寡聚酶、多酶复合体
单体酶：一般由一条肽链组成
寡聚酶：为寡聚蛋白，含多个亚基
多酶复合体：由数个独立的酶组合 起来形成络合体，催化一个系列反应 （糖代谢、脂代谢） 丙酮酸脱氢酶系、大肠杆菌脂肪酸合成酶系
简单蛋白：仅由氨基酸组成 缀合蛋白： 脱辅酶
四、影响酶促反应速度的主要因素
（一）底物浓度: [S] （二）抑制剂:竞争、非竞争、反竞争性 （三）温度
（四）pH
（五）激活剂
（一）[S] 对酶促反应速率的影响
根据总反应速率v与反应物浓度c的关系： 一级反应：v = kc 零级反应：v 与c无关， v = k
底物浓度达到饱和后，再增加底物浓度（ ）。
对底物的选择性
绝对专一性：只能作用于某一底物
O 脲酶：H2N—C—NH2 + H2O 2NH3 + CO2
键专一性：作用于一类相似的底物
O 酯酶：R—C—O—R′ + H2O
RCOO- +R ′ OH + H+
族/基团专一性：作用于结构很相似的底物
CH2OH
键和键旁基团有要求 CH2OH
5 1
α-葡萄糖 OH 苷酶 OH
第四章 酶
一、酶的基本概念和作用特点 二、酶的国际分类和命名 三、酶的作用机制： ——活性中心、专一性和高效机制 四、影响酶促反应速度的主要因素 五、别构酶和共价修饰酶 六、同工酶 七、维生素和辅酶 八、酶的分离纯化
重要事件
1897年，Buchner E. （德）发现无细胞 酵母提取液能将糖转化为乙醇（发酵是 被离开活酵母分子的酶所催化的）。 1926年，J. Sumner（美） 从刀豆中结晶 出脲酶，揭示出酶的化学本质是蛋白质。 1982年T. Cech发现了第1个有催化活性 的天然RNA（ribozyme，核酶）。 Enzyme（in yeast）
C.谷氨酸、天冬氨酸的侧链羧基
E.丝氨酸的羟基
D.苏氨酸的羟基
酶的活性中心是指：
A.是由必需基团组成的具有一定空间构象的区域
B.是指结合底物，并将其转变成产物的区域
C.是变构剂直接作用的区域
D.是重金属盐沉淀酶的结合区域
某酶的最适pH在5附近，据此请判断此酶活性中心
中可能存在下列哪一对氨基酸残基？
机体内的酶种类很多，而辅酶的种类相对很少
一种酶蛋白通常只与一种辅酶结合构成一种有特异性的酶
一种辅酶往往能与多种不同的酶蛋白结合构成多种不同的酶
（二）酶的专一性（特异性）
1. 酶对底物专一性的种类
绝对专一性 结构专一性 相对专一性 立体专一性 族专一性 键专一性
光学专一性（L、D型）
几何专一性（顺反异构）
5
O
O
1
O R
+H2O
OH
OH
+ ROH
OH
OH OH
2. 与酶专一性有关的学说
（1）锁钥学说——刚性构象 （2）诱导契合学说 （3）结构性质互补学说 ——静电效应、极性相同 （4）三点附着学说（立体异构专一性）
酶的特异性是（ ）。
A. 酶与辅酶特异结合
B. 酶对其催化的底物有特异的选择性
C. 酶在细胞中的定位是特异的
乳酸脱氢酶 EC 1. 1. 1. 27
第1大类，氧化还原酶 第1亚类，氧化基团CHOH 第1亚亚类，H受体为NAD+ 该酶在亚亚类中的编号
氢的转移或电子传递
化合物中基团转移
加水分解作用
包括裂解与裂合
异构体间互变
有ATP参加的合成反应
碳酸酐酶催化反应CO2十H20→H2CO3，此酶属于： A.水解酶 B.转移酶 C.裂解酶 D.合成酶 E.氧化还原酶 下列哪种酶能使水加到碳-碳双键上，而又不使键断裂? A.水化酶 B.酯酶 C.水解酶 D.羟化酶 E.脱氢酶
位于活性中心
必需基团 活性中心以外 稳定分子构象
非必需基团
2. 酶活性部位的特点
（1）几个残基+辅助因子
（2）空间构象上集中（单体/寡聚酶） （3）疏水空穴
（4）通过次级键与底物结合
（5）与底物诱导契合
（6）活性中心构象具有柔韧性和可塑性
酶 AA残基 核糖核酸酶 124 溶菌酶 129 胰凝乳蛋白酶 241 羧肽酶A 307 胰蛋白酶 223