AI stack passage (Questions 23-30, partial)
The rapid integration of Artificial Intelligence (AI) into the global economy has triggered an intense race for dominance. At the heart of this transformation is the "AI stack." This is a multi-layered infrastructure that includes specialized microchips, cloud computing platforms, and foundational data models. The capital required to develop and maintain this system is massive. This limits the playing field to just a handful of technology giants.
The huge costs associated with training advanced AI models have created significant barriers to entry. Consequently, a small group of leading corporations now controls the foundational layers of AI technology. They do not just [u]dictate[/u] the pricing of computing power. They also possess the vast datasets necessary for improving their systems. This market dominance raises critical concerns about limited innovation, as smaller startups are often priced out of these vital resources.
In response to these market trends, regulatory bodies worldwide are dealing with the complexities of digital laws. Traditional legal frameworks, originally designed for physical monopolies, are frequently [u]inadequate[/u] when applied to the invisible nature of algorithms and cloud infrastructure. Policymakers are now scrambling to draft new legislation. They want to promote fair competition without slowing down technological advancement.
Furthermore, international trade laws are being severely tested. Many countries are now attempting to safeguard their domestic AI capabilities by restricting the export of cutting-edge microchips. [u]They[/u] believe that protecting these hardware components is essential for national security and economic independence.
As we look further into 2026 and beyond, global economic growth will be tied to how these tensions are resolved. Achieving a balance between encouraging robust AI innovation and preventing unfair market

Question 26. (Question stem and options not supplied in the provided pages; answer and explanation from the solution section indicate the question asks what "They" in paragraph 4 refers to.)

Đáp án chính thức: D
Hướng dẫn giải chi tiết
Câu 26. Đáp án D. many countries
- Quy chiếu: Câu trước viết "Many countries are now attempting to safeguard their domestic AI capabilities...". Câu sau "They believe..." nên "They" chỉ "many countries".
- Mẹo: Tìm danh từ số nhiều gần nhất vừa có khả năng làm chủ thể của hành động "believe".
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Đề Thi Thử Tốt Nghiệp THPT Tiếng Anh 2027 - Đề Số 1

44 câu hỏi•Thời gian 50 phút•Chấm điểm & giải thích chi tiết
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