Mark the letter A, B, C or D to indicate the word that differs from the others in the position of primary stress. 1 điểm A. developed B. negative C. affected D. improve

Câu 5: (0,5 điểm) Tìm các giá trị a để đa thức a^2 x^2021 - 4ax + 4 nhẫn=1 là nghiệm.

phân tích đa thức thành nhân tử x2-2x-15=0

my grandfather needs to have surgery.his heart problem is very serious. my grandfather...(for)

Giúp em với ạ em không biết làm

Bài 8: Viết câu điều kiện loại 1 với if dựa vào các câu cho sẵn. 1. Stop telling lies or no one will trust you anymore. 2. Pay attention to the teacher or you can’t understand the lessons. 3. Go to bed early or you will be exhausted the next morning. 4. Save money from now and you can reward yourself with a long vacation at the end of the year. 5. Read more books and you can broaden your knowledge. 6. Brush your teeth often in order not to get toothache. 7. Listen carefully or you won't know what to do. 8. Unless you want to get sick, you should eat more healthily

Exercise : WORD FORMS. 21. The most _____ games have sold in the millions. SUCCESS 22. People have _____________ that doing puzzles is good for you. COVER 23. It's easy to find a _____________ to the problems posed. SOLVE 24. There has been an _____________ in the power of their brains. IMPROVE 25. Some _____________ argue that the brain gets better at a task the more it repeats it. SCIENCE 26. The improvement in the _____________is something that happens naturally. PERFORM 27. It remains _____________ whether puzzles are actually helping to boost brainpower or not. CERTAIN 28. According to _____________, most people sleep less than 8 hours every day. SEARCH 29. The advice passed down to our grandparents may contain some _____________. TRUE 30. A good example is the_____________between being cold and catching a cold. RELATION 31. These high-heeled shoes are _____________ for such rough terrain. SUIT 32. Colds are caused by viruses, so in the _____________ of a virus, you can't catch a cold. ABSENT 33. You're too young. This film is __________________for children your age. APPROPRIATE 34. _____________ now think that we may have viruses in our bodies already. SCIENCE 35. In cold weather, for example, blood vessels in the nose get smaller to stop heat escaping. _____________, this also allows the cold virus to attack the nose or throat more easily. FORTUNATE 36. Victoria Falls in Africa is one of the most _____________sights in the world. SPECTACLE 37. It's also an _____________ place for water sports. CREDIBLE 38. We need you to provide an accurate _____________ of the situation. DESCRIBE 39. On arrival, it's the noise that makes the greatest____________. IMPRESS 40. The _____________ landscape is also well worth a visit. SURROUND

M.n giúp em bài 4 với ạ em đang cần gấp :(( em cảm ơn m.n trước

Mình đang cần gấp lắm,MN giúp mình vs nha 😅 cho 5 ⭐ cho câu trả lời nhanh và đúng ạ 🍊🍊🍊

Ai làm giúp e với ạ .chỉ cần ngắn gọn thôi ạ