Đề ôn thiĐề thi vào lớp 10 Hà Nội môn Tiếng Anh- Mã đề HN-169

The Journey of Migrating Birds

Every year, millions of birds undertake incredible journeys, migrating thousands of miles between their breeding and wintering grounds. (21) __________ reasons for this are complex, but mainly involve seeking out abundant food sources and suitable climates for raising their young. (22) __________ observe these birds in flight is a truly remarkable experience, showcasing the power and endurance of these feathered creatures.

During their migration, birds face (23) __________ challenges. They must navigate using the stars, sun, and Earth's magnetic field. They (24) __________ to fly for days or even weeks without rest, often covering hundreds of miles in a single flight. Predators and harsh weather conditions also pose constant threats, making their journey (25) __________ more perilous. However, the instinct to migrate is strong, driving these birds to overcome obstacles and complete their journeys year after year. (26) __________ is truly a testament to the wonders of the natural world.

Bread, a staple food in many cultures, is deceptively simple in its basic form: flour, water, yeast, and salt. Yet, behind this simplicity lies a world of complex interactions between these ingredients, influenced by factors like temperature and time.

One key element is yeast, a single-celled fungus that ferments sugars, producing carbon dioxide gas. This gas, trapped within the dough, creates the characteristic air pockets that give bread its texture. The amount of yeast and the time allowed for fermentation, also known as proofing, significantly impact the bread's flavor and rise.

Kneading, the rhythmic folding and pressing of dough, develops gluten, a protein network that gives bread its structure. Underdeveloped gluten results in dense, heavy loaves, while over-kneading can lead to a tough texture. Finding the right balance is crucial for achieving the desired crumb and chewiness.

Baking transforms the dough into the final product. Heat kills the yeast, solidifies the gluten structure, and evaporates excess moisture, creating a crisp crust and a soft interior. Mastering the interplay of these elements allows bakers to craft a wide variety of bread styles, from crusty baguettes to airy ciabatta.

Facial recognition technology is becoming increasingly prevalent, sparking debates about (37) __________. While it offers potential benefits like increased security and personalized experiences, concerns about privacy violations and potential misuse are growing.

One major ethical dilemma centers around consent. Often, individuals are unaware their faces are being scanned and their data stored, raising questions about (38) __________. This lack of transparency fuels anxieties about how the collected data is used and by whom, especially in contexts like surveillance systems.

Another concern is the potential for bias. Studies have shown that facial recognition algorithms trained on datasets lacking diversity can be less accurate in identifying (39) __________. This disparity raises serious ethical concerns about discrimination, particularly when used in law enforcement or hiring processes where biased outcomes can have life-altering consequences.

Therefore, it is crucial to establish ethical frameworks and regulations governing (40) __________. Striking a balance between reaping the benefits of facial recognition technology while mitigating its potential harms is crucial to ensuring its responsible and ethical development and deployment.

A. individuals with darker skin tones.

B. the development and use of this technology.

C. its ethical implications

D. informed consent and data ownership.