Hoa đi xe đạp xuống một đoạn đường dốc dài 160m. Trong 60m đầu tiên Hoa đi hết nửa phút, đoạn đường còn lại đi với vận tốc 14,4 km/ h. a.Tính vận tốc trung bình của Hoa trên 60m đầu tiên và trên cả đoạn đường dốc đó. b. Khi xuống đến chân dốc, Hoa tiếp tục chuyển động trên đường nằm ngang với vận tốc bằng vận tốc trung bình khi xuống dốc. Cùng lúc đó, bạn Nam ở vị trí cách chân dốc 100 m đạp xe hướng ngược lại với Hoa với vận tốc 10,8 km/h. Xác định vị trí và thời gian Hoa và Nam gặp nhau.

VI. Combine these sentences, using the connectors in the brackets:

1. She couldn’t answer the question. She is very intelligent. (though)

 => ……………………………………………

2. He tried. He was not successful. (but)

=> ……………………………………………

3. Hoa was born in Tay Nguyen. She knows a lot about the culture there. (Because)

=> …………………………………………………

4. He lives far away from the city centre. He has to study English online. (so)

=> …………………………………………………

5. She studies hard and she always gets good marks. (if)

=> …………………………………………………

7. He adores living in the countryside better than living in the city

-> He prefers ………………………………………………………………………

8. He often has five-coloured sticky rice when he goes to the mountainous area.

-> Five-colored sticky rice……………………………………………………………

9. This film is more interesting than that one.

-> That film is ………………………………………………………………………

10. I love listening to music.

-> I fancy ………………………………………………………………………

10. ‘ Would you like to join the meeting tomorrow?’ ‘.....................’

A. Yes,I’d love to.                                          B. That’s awful.

C. Exactly what I have.                        D. How bad!

11. The terraced fields of Sa Pa have entered.................. the Top 11 most beautiful terraces in the world according to Touropia.

A. in                    B. on                    C. at                               D. of

12. Gathering and hunting still play an important role in the ................of the Laha.

A. economic                   B. economy          C. economical                D. economize

13. ................ethnic group has a large population, the Tay or the Ede?

A. What                B. Why                 C. Which                        D. Who

14. Ethnic peoples in the mountains have a simple way of farming. They use basic tools to.................. the farm work.

A. check               B. work                C. make                          D. do

15. Many ethnic minority students have to ........... a long way to their schools every day.

A. travel                B. ride                  C. pass                           D. get

16. The Giong Festival is held .......................................... in the Central Highlands.

A. year                  B. years                 C. annual                        D. annually

17..................................... does Hoa Ban Festival take place? – In Lai Chau.

A. What                B. Where                C. When                        D. How

18. It is typical of the cultural life of …….. Thai people.

A. some                B. a                        C. the                                               D. ∅

19……..do the cattle provide for the nomads? – Dairy products, meat and clothing.

A. What                B. Where                C. Why                          D. How

20. The crops ……..on the weather.

A. depend heavy   B. depend heavily C. affect heavy      D. affect heavily