Mọi người giúp mình gấp với ạ :(((

Khí HCl tan trong nước tạo thành dung dịch axit clohiđric. Axit clohiđric khi tiếp xúc với quỳ tím làm quỳ tím: A. Không đổi màu. B. Chuyển sang màu đỏ. C. Chuyển sang màu xanh. D. Chuyển sang không màu.

The Internet is among the most wonderful inventions of modern life. It has become (1) .............. of our everyday life. Nobody can deny the fact that the Internet is very (2) ........... Nowadays many people think it is impossible (3) ............. the Internet. They (4) ............ it for many purposes. It is not only a source of information, entertaiment, but also (5) .............. means of communication, education, doing business ... Help me!

Giúp mình bài 7, 9, 10 với ạ, mai mình phải nộp rồi

hai nhà máy cùng xử lý 225m khối rác thải trong 12h thì xong .Lúc đầu cả hai nhà máy cùng hoạt động trong 10h sau đó nhà máy 1 nghỉ nhà máy 2 làm thêm 5h thì hoàn công việc. Hỏi mỗi nhà máy tự làm thì hết bao nhiêu thời gian

Giúp mình bài 3, 4, 5 với 6 với ạ mai mình phải nộp rồi Cảm ơn mọi người nhiều lắm

`9(x-3)^2=4(x^2-2x+1)^2` `(4x^2-3x-18)^2=(4x^2+3x)^2`

Giúp mik vs ak, vẽ bằng sơ đồ ra ak, mai mik cần gaps, cảm ơn nhìu

Các tác hại của sự nhiễm điện do cọ xát Help mẹ. Please

1. I (do)__________it for you tomorrow. 2. My father (call)_____________you in 5 minutes. 3. We believe that she (recover)_______________from her illness soon. 4. I promise I (return)______________to school on time. 5. If it rains, he (stay)____________at home. 6. You (take) me to the zoo this weekend? 7. I think he (not come)_______________back his hometown. Bài 2: Hoàn thành các câu sau: 1. A: “There's someone at the door.” B: “I _________________________ (get) it.” 2. Joan thinks the Conservatives ________________ (win) the next election. 3. A: “I’m going to move my house tomorrow.” B: “I _________________________ (come) and help you.” 4. If she passes the exam, she _________________________ (be) very happy. 5. I _________________________ (be) there at four o'clock, I promise. 6. A: “I’m cold.” B: “I _______________________ (turn) on the fire.” 7. A: “She's late.” B: “Don't worry she _________________________ (come).” 8. The meeting _________________________ (take) place at 6 p.m. 9. If you eat all of that cake, you _________________________ (feel) sick. 10. They _________________________ (be) at home at 10 o'clock. Bài 3: Hoàn thành các câu sau: 1. I'm afraid I _________________________ (not/ be) able to come tomorrow. 2. Because of the train strike, the meeting _________________________ (not/ take) place at 9 o'clock. 3. A: “Go and tidy your room.” B: “I _________________________ (not/ do) it!” 4. If it rains, we _________________________ (not/ go) to the beach. 5. In my opinion, she _________________________ (not/ pass) the exam. 6. A: “I'm driving to the party, would you like a lift?” B: “Okay, I _________________________ (not/ take) the bus, I'll come with you.” 7. He _________________________ (not/ buy) the car, if he can't afford it. 8. I've tried everything, but he _________________________ (not/ eat). 9. According to the weather forecast, it _________________________ (not/ snow) tomorrow. 10. A: “I'm really hungry.” B: “In that case we _________________________ (not/ wait) for John. Bài 4: Viết thành câu hoàn chỉnh dựa vào những từ gợi ý: 1. She/ hope/ that/ Mary/ come/ party/ tonight. - She hopes that Mary will come to the party tonight. 2. I/ finish/ my report/ 2 days. _________________________________________ 3. If/ you/ not/ study/ hard/ ,/ you/ not/ pass/ final/ exam. _________________________________________ 4. You/ look/ tired/ ,/ so/ I/ bring/ you/ something/ eat. _________________________________________ 5. you/ please/ give/ me/ lift/ station ? _________________________________________