Cầu 4: Một ô tô chuyển động trên quảng đường dài 150km hết thời gian 3 giờ. a Tinh vận tốc của ô tô theo dơn vị km/h và m/s? b, Con số vận tốc tinh được ở câu a có ý nghĩa gì?

Một ô tô đi 30 phút trên đoạn đường bằng phẳng với vận tốc 40 km/ h .Sau đó lên dốc 15 phút với vận tốc 32 km/ h .a Tính độ dài đoạn đường mà ô tô đã đi .b tính vận tốc trung bình của ô tô trên cả hai quãng đường đoạn đường. Giải giúp mình với ạ, cảm ơn nhiều

Giúp mình với ai (trả lời 1 trong 2 hoặc trả lời hết cx dc ạ)

Viết lại câu 1.He last drank wine 2 years ago-> he hasn't.... 2. Despite the bad weather, we went out for a picnic. -> althought..... 3. My parents told me " We will visit you this week" -> My parents told me .... 4. "I hve finished my work" my sister said to me -> My sister... 5. I'll give you a call immediately I have finished my home work-> As soon.... 6. I don't remember exactly when my parents started this workshop -> I.....set..... 7. Although the weather was bad, we went yo the zoo -> Despite ........ 8. I started to work for the company a year ago -> I've..... 9. " Iam studying hard for the coming exam" Mai said -> Mai said..... 10. " Where we can get the tickets?" He wondered -> He wondered......... 11. I began stydying French last year -> I have............. 12. He had a headache yesterday, but he still went yo work -> Althought.......... 13. The teacher says that no student in the shool is noisier than I am -> The teacher says that Iam...........

4. Hoàn thành các câu sau, sử dụng so sánh nhất, so sánh hơn hoặc so sánh kép 4.7. Everest is higher mountain in the world. It is………………... than any other mountain. (high) 4.8. We had a great holiday. It was one of………………...holiday we've ever had (enjoyable) 4.9. ………………...my grandparents get,………………...they are. (old – happy) 4.10. ………………...it is, ………………...Hoa is. (hot – weak) 4.11. Life got ………………...for Viet as the company became ……………….... (good – successful) 4.12. ………………...we eat, ………………... we get. (many – fat)

3a Read the passages and match them with the pictures. Reykjavik in Iceland is one of the world's healthiest cities. Its people often do activities outside, even though it's very cold. They go hiking, and swimming outside! Also, Icelandic people eat more healthy, fresh fish - it is an island, a. after all. 2. Tehran, capital city of Iran, is not a healthy place to live. The air pollution is very bad, so people stay at home on 'smog holidays' - days when the air is full of smoke ahd it is unhealthy to go out. b. 3. Glasgow in Scotland has a problem with obesity. Almost 40% of people in this city are obese. Scotland is cold, Here that means C. people watch more TV, play more computer games, and do less exercise than in other countries. They also eat a lot of junk food. tick () the place that each statement refers to. Tohran Scotland

3 √2 + 2√3 / √2 + √3 - 2 / √6 -2 dấu gạch chép là phần đó nha mng giúp mình

Giúp mik vớii cảm ơn mn nhìu lunn :3

5. Viết lại những câu này dựa trên những gợi ý đã cho mà không thay đổi nghĩa gốc. 5.1. My brother was earning much less in his previous job than he is now. →……………………………………………………………..more 5.2. As her father gets older, he wants to travel less. →……………………………………………………………..The older - the less 5.3. To my knowledge, speaking English is easier than listening to conversations in English. →…………………………………………………………….harder 5.4. As this road gets busy, it becomes dangerous. →……………………………………………………………..The busier - the more 5.5. This is the fastest moving car I’ve ever driven. →……………………………………………………………..faster 5.6. There isn’t anywhere as old as this castle. →……………………………………………………………..oldest 5.7. Have you got any bigger shirt than that one? →……………………………………………………………biggest 5.8. I am not taller than anyone in the class. →……………………………………………………………..lowest

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