Đề ôn thi Đề thi tốt nghiệp THPT môn Tiếng Anh - Mã đề THPT-67

3D printing, also known as additive manufacturing, is rapidly transforming the manufacturing industry and has the potential to revolutionize how we create products in the future. (18) __________, 3D printing builds objects layer by layer from a digital design. This process, (19) __________, allows for the creation of highly complex and customized designs with incredible precision.

One of the most significant advantages of 3D printing is its ability to produce parts on demand, reducing the need for large-scale production runs and expensive tooling. This is particularly beneficial for creating prototypes, specialized tools, and (20) __________, such as custom medical implants or aircraft components. The global 3D printing market size was valued at $13.8 billion in 2021 and is projected to grow at a compound annual growth rate (CAGR) of 20.8% from 2022 to 2030, highlighting the increasing adoption of this technology across various industries.

Furthermore, 3D printing enables the use of a wider range of materials, including plastics, metals, ceramics, and even food. This versatility opens up new possibilities for product design and functionality. For example, aerospace companies are now using 3D printing to create lighter and stronger components for aircraft, (21) __________.

(22) __________. From personalized consumer goods to sustainable solutions for construction and healthcare, the potential applications of 3D printing are vast and continue to expand, shaping the future of manufacturing in exciting and innovative ways.

Mental health awareness is crucial in today's world, transcending geographical borders and cultural differences. The World Health Organization (WHO) estimates that nearly two-thirds of people with a known mental disorder never seek help from a health professional at all, highlighting a significant treatment gap. This gap is often wider in low- and middle-income countries, where services are often scarce and stigma surrounding mental health issues remains strong. For instance, in some communities, mental illness is incorrectly attributed to supernatural causes, leading to social isolation and inadequate treatment.

This global challenge requires a multifaceted approach. Education plays a vital role in dispelling myths and promoting open conversations about mental health. It empowers individuals to recognize warning signs, seek timely intervention, and offer support to those around them. In recent years, campaigns like World Mental Health Day have gained significant traction, encouraging communities to prioritize mental well-being alongside physical health.

Furthermore, access to mental health services needs to be significantly expanded globally. This involves training more mental health professionals, integrating mental health care into primary health care systems, and reducing the financial barriers to treatment. Telemedicine, for example, has emerged as a promising tool to bridge the gap, especially in remote areas.

Promoting mental health awareness and improving access to care are essential steps towards creating a more inclusive and supportive world. By working together, we can break down stigma, empower individuals, and ensure that everyone has the opportunity to live mentally healthy and fulfilling lives.

Genetic ancestry testing has become increasingly popular, allowing individuals to delve into their family histories and ethnic origins. [I] These tests analyze DNA samples to identify genetic markers associated with different geographic regions and populations. [II] This information can help individuals connect with their heritage, trace their lineage back through generations, and even discover previously unknown relatives. [III] This has in turn fostered a greater understanding of human migration patterns and population genetics. [IV]

The information provided by these tests, however, requires careful interpretation. It can be complex and sometimes even contradictory, as human populations have migrated and intermixed extensively throughout history. While the tests can offer valuable insights into an individual's ancestral origins, they don't necessarily paint a complete picture. For instance, a person might discover a strong genetic link to a particular region, but this doesn't necessarily mean their ancestors lived exclusively in that location. It simply indicates a significant genetic contribution from that population at some point in their family history. Furthermore, the accuracy of these tests relies heavily on the size and diversity of the reference databases used for comparison.

The expanding use of genetic ancestry testing also raises several important ethical and social considerations. One long-term effect could be the reinforcement of existing social biases and prejudices based on perceived ancestry. While race is a social construct, not a biological reality, individuals might misinterpret genetic ancestry information as validation of racial categories. This could exacerbate existing inequalities and discrimination. Additionally, concerns about privacy and data security are paramount. Genetic information is highly personal, and its misuse could have serious consequences. Questions about who owns and controls this data, and how it might be used in the future, remain important topics of discussion.

Despite the limitations and ethical concerns, genetic ancestry testing remains a powerful tool for exploring human history and individual heritage. As technology continues to advance and databases expand, the accuracy and scope of these tests are likely to improve. However, it is crucial that individuals approach these tests with a critical and informed perspective, understanding both their potential benefits and their limitations. Continued dialogue about the ethical implications of genetic ancestry testing is essential to ensure responsible and equitable use of this technology.