Cho em hỏi làm như thế nào để xác định `y'` ạ ?

Read the following passage and mark the letter A, B, C or D to indicate the correct answer to each of the questions. Large cities often have problems that small towns and rural areas do not have. Two of the biggest problems are heavy traffic and the pollution that cars create. Of course. Traffic problems and pollution are not only found in big cities. However, the higher populations and larger number of cars on the roads in cities can make the problems happen more often and with more noticeable effects. One of the most common traffic problems the large cities have is congestion. As the population of a city increases, so does the number of cars on the road. Cities cannot always improve the number and size of their roads and highways to keep up with the number of cars. The result is traffic congestion, or traffic jams. When traffic jams happen, cars that are stuck in the congestion continue to run their engines. This creates pollution and is a big problems. Pollution causes health problems for the people in cities and also hurts the environment. 21. Where do traffic problems and pollution frequently happen? A. small towns B. rural areas C. big cities D. village 22. The word “their” refers to _______. A. roads’ B. cities’ C. cars’ D. traffic jams’ 23. Which of the following is NOT TRUE? A. Only big cities have the problem of pollution. B. Traffic jams cause pollution. C. Pollution is a major problem in big cities. D. Pollution causes health and environmental problems.

Giusp mk hết nhé cảm ơn ko chép mạng viết có tình cảm vào nha nhanh nhất giúp mk

các cậu tìm câu nghĩa giống nhau hộ mik với ạ mình cần gấp thanks

Giúp nhanh nha 5 phút đa0s án thôu nhanh thật nhanh

Mark the letter A, B, C or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions. 15. My elder brother failed his final exam, which depressed my parents. A. encouraged B. satisfied C. disappointed D. pleased 16. What benefits does TV bring about to people's life? A. difficulties B. disadvantages C. advantages D. pictures MARK MOCK TEST (No.5)- Grade 7 Time limited: 45 minutes Name: __________________ Class: 7A__ Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions. I went to Australia on a student program last year and I like to (17)_______you about it. I was very (18)_______when I knew I was going to Australia because I had never been there before. I didn’t think about the problems of speaking English (19)_______I met my host family. At first I couldn’t communicate with them because my English was so bad. All the five years I had been learning English but I wasn’t much used at all because we didn’t have real practice at school. Even though my grammar was good, my pronunciation wasn’t. My problem is pronouncing ‘l’ and ‘r’. For example, Australian people often asked “What do you eat in Vietnam?” I wanted (20)______ them that we eat rice, but they didn’t understand when I said “We eat lice”… 17. A. say B. tell C. talk D. speak 18. A. exciting B. excite C. excited D. excitement 19. A. after B. until C. when D. while 20. A. tell B. to tell C. told D. telling

Giúp mình với ạ, hứa ctlhn cho ai nhanh nhất và chính xác Thửa ruộng hình chữ nhật có chu vi là 150 mét, chiều rộng bằng chiều dài. Cứ 5 m2 thu hoạch được 50 kg rau. Hỏi trên thửa ruộng đó thu hoạch được bao nhiêu tạ rau?

11. They didn’t have much time, however they came to visit us. => Despite ______________________________________________ 12. He is too old, but he still does his gymnastics every morning. => In spite ______________________________________________ 13. Trang Anh is the boss. She works as hard as her employees. => Despite _____________________________________________ 14. He has health problems. He is always smiling. => In spite _____________________________________________ 15. Kieu Anh got good marks. The exam was difficult. => Despite ______________________________________________

Bài 5 : Viết các số tự nhiên có 2 chữ số : a) Chữ số hàng chục hơn chữ số hàng đơn vị là 3. b) Chữ số hàng chục và hàng đơn vị bằng nhau . Bài 6 Viết số lớn nhất và số nhỏ nhất bằng cách dùng cả sáu chữ số 0 ; 2 ; 5 ; 7 ; 9 ( mỗi số chỉ đc viết 1 lần )

Giúp đỡ em với ạ em đang cần ghấp