Bản chất của công nghệ hàn là:

Trong hình thức sinh sản sinh dưỡng, cây con không được hình thành từ bộ phận nào?

Cho tam thức bậc hai \(f\left( x \right)={{x}^{2}}-bx+3.\) Với giá trị nào của \(b\) thì tam thức \(f\left( x \right)\) có nghiệm?

Read the following passage about managing change and mark the letter A, B, C or D on your answer sheet to indicate the best answer to each of the following questions from 31 to 40. 

Growing up in Athens, Greece, Lydia Borsi remembers feeling tested when she tried to deal with mental health issues. Borsi says she had been seeing a therapist for anxiety. But she notes that people in Greece do not openly discuss mental health issues, which also get little attention in general healthcare services. “It was a lot more secretive. And people thought that I was a lot more unique,” Borsi said.

That all changed in 2017 when she moved to the United States to study at the University of Rochester in Rochester, New York. “When I came here, I really liked that people were not afraid to speak up about mental health and say that it’s important,” she said. The university was very supportive of her needs and offered plenty of information. She also became involved with a school group called Active Minds that helps students deal with mental health issues. [A]

Then due to the spread of the novel coronavirus, the University of Rochester had to move all its classes and some of its mental health resources online. Luckily, Borsi was able to connect with a mental health expert outside the school, in the local community. [B]

But as many of her American friends returned home, Borsi was stuck. Greece had succeeded in limiting the spread of the virus within its borders, but flights there from the U.S. are barred until July. Also, the health crisis has put her plans to seek admission to medical school in Britain on hold. [C] And she is not alone.

[D] In April, Active Minds launched a survey of over 2,000 students at U.S. colleges and universities. The study found that over 80 percent of those asked said the coronavirus crisis had negatively affected their mental health. One in five said it has affected them severely.

Laura Horne, chief program officer at Active Minds, says the findings are especially troubling given that the crisis is only going to make it harder for colleges and universities to help these students. “Colleges and universities had to pivot rather quickly to respond to COVID-19 and figure out all facets of university life, including mental health services. Now they have to figure out how to communicate with students,” Horne said.

Frank Chen is a Houston, Texas-based psychiatrist who has worked with college-age young adults. He points out that individuals at that age are in an important stage of their mental development. And college can be a difficult experience for students with or without mental health issues, as they balance work, studies, and personal relationships. Adding a major world event, like the spread of the coronavirus, makes it very difficult to predict what the long-term psychological effects might be. “I don’t think that there’s another event in the history of the people who are alive now that can really measure up to this,” said Chen.

The word ‘they’ in paragraph 6 refers to

Điểm giống nhau về kết quả giữa Cách mạng tư sản Anh và Cách mạng tư sản Pháp là:

Read the following leaflet and mark the letter A, B, C or D on your answer sheet to indicate the option that best fits each of the numbered blanks from 7 to 12.

Discover the Future of Dining at Viet Organic Garden Restaurant!

At Viet Organic Garden Restaurant, we offer a (7)______of fresh, organic dishes designed to meet the growing demands of modern consumers. As the world experiences a (8)_______toward healthier, eco-friendly lifestyles, we are proud to provide a dining experience that prioritizes sustainability and wellness.

Unlike the other restaurants that depend on processed foods, we source our ingredients directly from local farmers. This ensures that our supply is never (9)______and allows us to deliver meals rich in flavor and nutrition. (10)______ ethical sourcing and environmentally friendly practices, we bring quality and care to every plate.

When you place your (11)______at Viet Organic Garden Restaurant, you can trust that each dish is made with love and care. Join us and be part of this exciting movement. Whether you're looking for a cozy weekend meal or a refreshing take on dining, Viet Organic Garden Restaurant stands apart from the (12)______ options in the market as a leader in sustainable and healthy dining.

Read the following passage about the cultural diversity and mark the letter A, B, C or D on your answer sheet to indicate the best answer to each of the following questions from 1 to 10. 

    [I] In today's globalized world, cultural diversity has become a fundamental aspect of many societies. [II] Many countries are experiencing increasing levels of migration. [III] With the rise of immigration and the blending of traditions, people from various cultural backgrounds are now living side by side in cities across the globe. [IV]

    One of the key advantages of cultural diversity is the richness that it adds to a society. Different cultures introduce unique viewpoints, foods, languages, and traditions, which help people broaden their understanding of the world. In schools and workplaces, cultural diversity fosters creativity and innovation, as individuals from different backgrounds approach problems in innovative ways. However, there are also challenges associated with living in culturally diverse communities. Misunderstandings and communication barriers can arise when people are unfamiliar with each other's customs and values. To address these issues, societies must encourage cultural sensitivity and create opportunities for cross-cultural exchange.

    Governments and institutions around the world are beginning to implement policies that promote inclusion and respect for cultural differences. By celebrating diversity through events, education, and media representation, communities can create environments where people feel valued regardless of their background. Ultimately, embracing cultural diversity helps to build more peaceful and harmonious societies.

Where in paragraph 1 does the following sentence best fit?

 “This increasing diversity brings about both challenges and opportunities.”

Một guồng nước (còn gọi là cọn nước) có dạng hình tròn bán kính \(2,5{m}\); trục của nó cách mặt nước 2 m. Khi guồng quay đều, khoảng cách \(h\left( {m} \right)\) từ một ống đựng nước gắn tại một điểm của guồng đến mặt nước được tính theo công thức \(h=\left| y \right|\), trong đó \(y=2,5\text{sin}\left( 2\pi x-\frac{\pi }{2} \right)+2\) với \(x\) (phút) là thời gian quay của guồng nước.

(Nguồn: Đại số và Giải tích nâng cao, NXBGD Việt Nam, 2021)

Chọn số vào vị trí phù hợp:

Ban đầu, tại thời điểm \(x=0\), ống nước cách mặt nước: (…a…) (m).

Khoảng thời gian giữa hai lần ống nước ở vị trí cao nhất là: (…b…) (phút).

Hai câu kết bài thơ Cảm xúc mùa thu xuất hiện âm thanh nào?

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the best answer to each of the following questions from 31 to 40.

Biting into a ripe, juicy fruit brings a smile to many people’s faces. But eating that same fruit a week before it is ripe probably wouldn’t be as enjoyable! Unripe fruits are often hard and bitter, but that serves a purpose. The hard exterior of an unripe fruit protects the developing seed inside. After a seed fully develops inside the fruit, the fruit changes color, softens, and gets sweeter to become more attractive to animals and humans. These organisms eat the fruit and spread its seeds, ensuring the plant’s survival and regrowth.

But how does a fruit ripen? The ripening process involves many complex chemical reactions. When a fruit ripens, it goes through a chemical change. A chemical change happens when bonds within molecules break, and the atoms that once formed them regroup into new molecules. Chemical changes are irreversible. Once a fruit ripens, it cannot become unripe again.

One molecule responsible for this chemical change is ethylene. Ethylene (C2H4) is a colorless gas made up of carbon and hydrogen atoms. (I). It is a naturally occurring molecule in the atmosphere. (II). It is also an important plant hormone. (III). Plants release ethylene through the growing tips of roots, flowers, and ripening fruit. (IV). Although ethylene serves other purposes in plants, one of its main purposes is to trigger the chemical reactions that cause fruits to ripen. As the fruit matures, oxygen in the air helps stimulate the production of ethylene. This ethylene production is a signal that begins fruit ripening. For that reason, unripe fruits have low levels of ethylene, while ripe fruits have higher levels of ethylene. Most fruits produce ethylene and respond to ethylene in the atmosphere.

Although fruits require ethylene to ripen, different types of fruits respond to this molecule in two distinct ways: non-climacteric fruits and climacteric fruits. Non-climacteric fruits do not ripen after harvesting. They produce very little ethylene of their own. Climacteric fruits, on the other hand, continue to ripen after they are picked. These fruits produce a large amount of ethylene. Climacteric fruits can also speed up the ripening process of other fruits nearby since they release high levels of ethylene into the air.  

According to the passage, which of the following statements is TRUE?

Which of the following best restates each of the given sentences?

Give people your helping hand; you'll get it back when you are in need.

Câu nào dưới đây sử dụng cách nói giảm, nói tránh?

"Quá trình hoạt động có mục đích nhằm làm cho những quy định của pháp luật đi vào trong cuộc sống, và trở thành hành vi hợp pháp của các cá nhân, tổ chức". Đây là nội dung của khái niệm nào dưới đây?

Số vị trí biểu diễn các nghiệm của phương trình \(\text{sin}\left( 2x+\frac{\pi }{3} \right)=\frac{1}{2}\) trên đường tròn lượng giác là

Nguyên lí máy Turing ra được công bố năm nào?

Phương trình \(\sin x = \frac{2}{3}\) có số nghiệm trong khoảng \(\left( { - \pi ;\pi } \right)\) là: 

Read the following passage about the Designing Spaces That Connect Us to Nature and mark the letter A, B, C or D on your answer sheet to indicate the best answer to each of the following questions from 31 to 40.

Biophilic design has been turning heads and winning hearts by incorporating natural elements into our living and working spaces. This approach recognizes our innate connection to nature and how it affects our well-being. Studies show that exposure to natural light, plants, and natural materials can reduce stress and improve productivity. Many modern architects now integrate gardens, water features, and large windows into their designs. These elements help create environments where people can thrive both mentally and physically. As one designer put it, "We're bringing the outside in to help people feel at home in their skin."

The benefits of biophilic design extend beyond aesthetics. [I] Hospitals with views of nature report faster patient recovery times. Office buildings with natural elements see decreased absenteeism and increased worker satisfaction. [II] Schools incorporating biophilic principles observe improved student concentration and academic performance. [III] Even retail spaces benefit, with customers spending more time and money in naturally-designed environments. These practical advantages explain why biophilic design is gaining momentum across various sectors. [IV]

Implementing biophilic design doesn't require elaborate renovations. Simple changes like adding houseplants, using natural materials, or rearranging furniture to maximize natural light can make significant differences. Even artificial representations of nature, such as nature photography or recordings of birdsong, provide some benefits. The key is creating spaces that stimulate our senses in ways that remind us of natural environments. This approach works in urban apartments, suburban homes, and rural settings alike. As cities grow denser, these natural connections become increasingly valuable for maintaining our psychological health.

Looking ahead, biophilic design will likely become standard practice rather than a luxury option. Climate change concerns are pushing architects to create buildings that not only connect with nature but also protect it. Living walls that purify air, rooftop gardens that reduce energy consumption, and materials that sequester carbon are becoming more common. These innovations represent a shift from merely appreciating nature to actively participating in its preservation. By designing spaces that honor our biological need for natural connection, we create environments that support both human and planetary health for generations to come.

Which of the following best paraphrases the underlined sentence in paragraph 4?

CHỦ ĐỀ: THẾ GIỚI TUYỆT ĐẸP…

(Tham khảo bài văn của chủ đề trong đường link dưới đây ở trang 21)

https://tvsthpt.dlib.vn/app/doc-sach-ebook/d02db18272fe

Và trả lời câu hỏi sau:

Điền những từ ngữ không quá hai tiếng có trong bài đọc vào chỗ trống.

Nhà khoa học cũng là con người, và họ thường phải cân nhắc giữa (...a...) và  (...b...)trong quá trình nghiên cứu. Họ cố gắng để lý giải, đo lường và hiểu rõ các hiện tượng tự nhiên dựa trên dữ liệu và kiến thức khoa học, nhưng đôi khi cảm xúc và đạo đức có thể ảnh hưởng đến quá trình nghiên cứu và ra quyết định.

Đáp án b là 

Người ta nhớ nhà, nhớ cửa, nhớ những nét mặt thương yêu, nhớ những con đường đã đi về năm trước, nhớ người bạn chiếu chăn dắt tay nhau đi trên những con đường vắng vẻ ngào ngạt mùi hoa xoan còn thơm ngát hơn cả hoa cau, hoa bưởi. Người ta nhớ heo may giếng vàng; người ta nhớ cá mè, rau rút; người ta nhớ trăng bạc, chén vàng.

Nhớ quá, bất cứ cái gì của Hà Nội cũng nhớ, bất cứ cái gì của Bắc Việt cũng nhớ, nhớ từ cánh đồng lúa con gái mơn mởn nhớ đi, nhớ từ tiếng hát của người mẹ ru con buổi trưa hè mà nhớ lại; nhớ hoa sấu rụng đầu đường Hàng Trống, nhớ quả bàng ở Hải Hậu rụng xuống bờ sông Đào, nhớ sen Linh Đường thơm ngào ngạt của bầu trời nhớ lên, nhớ nhãn Hưng Yên, vải Vụ Bản, cá anh vũ Việt Trì, na Láng, bưởi Vạn Phúc, cam Bố Hạ, đào Sa Pa mà nhớ xuống.

Nhớ không biết bao nhiêu, nhớ bát canh rau sắng chùa Hương, nhớ khóm tiễn xuân la trồng ở bên giậu trúc; nhớ mưa bụi, vợ chồng nửa đêm thức giấc đi uống một ly rượu ấm ở cao lâu, nhớ những buổi trưa hè có ve sầu kêu rền rền, nhớ luôn cả những cô gái Thổ cưỡi ngựa thổ đi trong rừng có những cánh hoa đào rơi lả tả nơi vai áo...

Càng nhớ như vậy thì càng yêu Hà Nội biết bao nhiêu, lại càng say đắm Bắc Việt biết bao nhiêu!

(Trích Thương nhớ mười hai, Vũ Bằng, Nxb Văn học, Hà Nội, 2001)

Cảm xúc chủ đạo của văn bản trên là: 

Theo em phát biểu nào sau đây là sai?