Đề ôn thi Đề thi vào lớp 10 Trường THPT Chuyên KHTN môn Tiếng Anh - Mã đề KHTN-77

(23) __________ . At first, my attempts were clumsy, and the clay felt foreign in my hands. But as the weeks went by, I noticed a change; the rhythmic work of shaping the clay on the wheel was surprisingly calming and focused my mind. (24) __________

Chameleons are famous for their amazing ability to change color. For a long time, scientists (25) __________ that chameleons changed color simply by spreading pigments in their skin cells. (26) __________, recent discoveries show a more complex process. The change is not just for camouflage, but also to express emotions like fear or anger, and to react to temperature and light.

This incredible skill is possible because of special cells under their skin called chromatophores, (27) __________ contain tiny crystals. This amazing ability (28) __________ by their brain, which sends signals to these cells. When a chameleon is calm, the cells are close together. When it gets excited or angry, the (29) __________ between the cells increases, causing them to reflect different colors like yellow or red. This is also how a male chameleon tries to (30) __________ a mate, showing off his brightest colors.

In a busy alley in Hanoi, Mr. Hung spends his days covered in grease, repairing motorbikes. His small shop is a familiar sight, always filled with the sounds of tools and engines. To most, he is just another mechanic, a man earning a living through his modest trade. But when the sun sets, a different side of Mr. Hung's character emerges.

As evening arrives, the garage transforms. Oil-stained tools are put away, and a large whiteboard is placed against a wall. Old tires and plastic stools become seats for a dozen children, creating a makeshift classroom. Mr. Hung started this free night class for children from low-income migrant families in his neighborhood, noticing they struggled with homework because their parents worked late and couldn't afford tutors.

The results of Mr. Hung's efforts are profound. Students who were once behind in school are now catching up, their confidence growing with each lesson. He doesn't just teach math and literature; he teaches them about kindness and perseverance. The positive atmosphere in his class gives these children a stable and encouraging environment, which is a crucial factor for their development in often challenging circumstances.

Mr. Hung's story is a testament to the idea that philanthropy is not just about donating money. His contribution of time and knowledge is invaluable. By dedicating his evenings to these children, he is investing in the community's future. His simple act of kindness creates ripples of positive change, proving that one person’s commitment can inspire an entire neighborhood.

Viral challenges, from dance crazes to a bucket of ice water, have become a huge part of online culture. For many teens, participating is a fun way to connect with friends and feel part of a global trend. (37) __________. But there's another side to these trends.

When everyone you know is doing the same challenge, it can be hard to say no. (38) __________. Some challenges can even be risky or encourage dangerous behavior. (39) __________. Ultimately, it's important to think for yourself. (40) __________.

A. The pressure to conform, or be like everyone else, can feel overwhelming

B. A true community values individual choice, not just blind participation

C. This is when the fun stops and the potential for harm begins

D. This sense of community can be incredibly positive, creating shared experiences and laughter across the world