Đề ôn thi Đề thi vào lớp 10 Trường THPT Chuyên KHTN môn Tiếng Anh - Mã đề KHTN-141

Consuming a sugary snack often provides a quick burst of energy. This happens because your body rapidly absorbs the sugar, leading to a spike in blood glucose levels. (23) __________. (24) __________

Have you ever wondered where fabrics like nylon come from? Unlike cotton or wool, which are natural, nylon is a synthetic material made entirely (25) __________ chemicals. Scientists first developed it in the 1930s. Since then, (26) __________ other man-made textiles have been invented, but nylon remains one of the most popular. The (27) __________ reason for its popularity is its strength and low cost.

The creation of nylon is a fascinating chemical procedure. Scientists start with chemicals from petroleum and then heat them under high pressure. This causes small molecules to link together, forming long chains called polymers. (28) __________, a new, strong, and elastic material is born. The scientists who first invented nylon had to (29) __________ a completely new method to achieve this. It was a revolutionary breakthrough in material science.

Imagine a world without these strong, affordable materials. If synthetic fabrics didn't exist, the clothes we wear every day (30) __________ much more expensive and less durable. Nylon's invention truly changed the textile industry forever.

Exploring a new city is one of life's most exciting adventures. The thrill of discovering new streets, tasting unfamiliar foods, and experiencing a different culture is unforgettable. However, this excitement can sometimes make us less aware of our surroundings. While most travel experiences are safe, being a smart and prepared traveler can prevent potential problems like scams or petty theft, ensuring your trip remains a positive memory.

Preparation begins long before you pack your bags. Researching your destination is essential. Look up common tourist scams, such as the taxi meter issues sometimes reported in major cities like Ho Chi Minh City. Learning a few basic phrases in the local language can also be very helpful. It's also wise to have digital and physical copies of your passport and other important documents in case they are lost or stolen.

Once you arrive, staying alert is key. Always be aware of your surroundings, especially in crowded areas like markets or public transport stations. Keep your valuables, like your phone and wallet, secure and out of sight. Be friendly, but be cautious of strangers who are overly helpful or who try to distract you. Trusting your instincts is one of your best defenses; if a situation feels wrong, it probably is.

Ultimately, these safety tips are not meant to create fear but to empower you. By being prepared and aware, you can navigate new environments with confidence. This allows you to focus on the wonderful aspects of your journey, from sightseeing to making new friends. A smart traveler is a safe traveler, and a safe traveler has the most fun.

Have you ever walked into a store determined to buy only one thing but left with a bag full of discounted items? This common experience is driven by clever retail psychology. The 'SALE' sign triggers a sense of urgency and excitement, (37) __________.

Our brains react to discounts not just as a way to save money, but as a victory. This feeling of being a smart shopper is so powerful that it often overrides our logical decision-making, (38) __________. This phenomenon, known as the 'anchoring effect,' happens when we focus too much on the original price, (39) __________.

Ultimately, retailers know that the thrill of a perceived bargain is a powerful motivator, (40) __________.

A. leading us to buy things we don't actually need

B. which often results in us spending more than we initially planned

C. making the sale price seem incredibly attractive by comparison

D. making us feel like we're getting an amazing deal