2. The Browns last painted the living-room two years ago. → The Browns have ________________________________.

4. We must be grateful to all the teachers. They have helped us a lot in our lives. → We ______________________________________________.

5. He actively participated in the fight against air pollution. → He _____________________________________________

mn ơi mình cần gấp ạ!!!

1/ Điểm M(-1;1) thuộc đồ thị hàm số y(m-1)x^2 khi m bằng

A. 0 B. -1 C.2 D.1

2/Đồ thị hàm số y= (-2)/3 x^2 đi qua điểm nào trong các điểm:

A.(0;-2/3) B. (-1;-2/3) C.(3;6) D(1;2/3)

3/Tọa độ gđ của (d): y = 2x - 3 và (P): y= -x^2 là

A. (1; -1) và (-3;-9) B.(-1;-1) và (-3;9) C.(1;-1) và (3;9) D.(-1;-1) và (3;-9)

4/ Với giá trị nào của a thì đường thẳng (d):y = x + a tiếp xúc với parabol (P): y =x^2?

A.-1 B.1 C. -1/4 D.1/4

5/ Cho hàm số y=ax^2 (a ≠ 0) có đồ thị parabol (P). Tìm a biết A(-4;-1) thuộc (P) ta có kết quả:

A. a=-16 B. a= 1/16 C.-1/16 D. Một kết quả khác

6/Đồ thị hàm số y=2x và y= -x^2/2 cắt nhau tại các điểm

A. (0;0) B.(-4;-8) C.(0;-4) D.(0;0) và (-4;-8)

7/Tọa độ giao điểm của đường thẳng (d): y=x-2 va (P): y= -x^2 là

A.(1;1) và (-2;4) B.(1;-1) và (-2;-4) C.(-1;-1) D.(1;-1) và (2;-4)

8/ Giữa (P): y= -x^2/2 và đường thẳng (d): y= x+1 có các vị trí tương đối sau:

A.(d) tiếp xúc (P) B.(d) cắt (P) C.(d) vuông góc với (P) D. Không cắt nhau

10/ Trong các khẳng định sau, khẳng định nào đúng

A. Hai cung bằng nhau có số đó bằng nhau

b. Hai cung có số đo bằng nhau thì bằng nhau

c. Trong hai cung, cung nào có số đo lớn hơn là cung lớn hơn

D. Trong hai cung trên một đường tròn, cung nào cố số đo nhỏ hơn thì nhỏ hơn

Tính diện tích hình vuông biết chu vi của nó là 120 cm.

viết công thức cấu tạo có thể có ứng với mỗi công thức phân tử sau: C3H7Cl, C4H10, C3H8O, C2H7N (Biết N có hóa trị III)

III. Rewrite each sentence so that it contains(not) going to or might (not).

1. Perhaps it will rain tomorrow.

→ It __________________________________________________________________

2. It’s possible that our team will win the world cup.

→ Our team ____________________________________________________________

3. Perhaps he is in orbit.

→ He _________________________________________________________________

4. Perhaps I won’t phone her tonight.

→ I___________________________________________________________________

5. My brother plans to study oceanography.

→ My brother __________________________________________________________

6. Terry doesn’t intend to spend a month in the mountains.

→ Terry _____________________________________________________________

7. She has decided to have a celebration for her son’s successes.

→ She ________________________________________________________________

8. We’ve arranged a party next Sunday.

→ We ________________________________________________________________

9. It’s possible that I’ll see you tomorrow, but I’m not sure.

→ I ________________________________________________, but I’m not sure.

10. Perhaps they will have some news for you next week.

→ They ____________________________________________________________

mn giải giùm em à em cảm ơn

II. Word form

1. Many people believe in the _____________________ of UFOs.(exist)

2. In 1978, a pilot’s ______________________ shocked the world.(appear)

3. Astronauts must be in an __________________physical condition. (excel)

4. From the spacecraft, they can see ___________________ places.(interest)

5. Astronauts can get out of their __________________and walk in the cabin. (sit)

6. Most writers are very ______________________. (imagine)

7. They like watching_______________________programs on TV. (entertain)

8. They cannot show the shapes of the UFOs_________________. (clear)

9. Stories about UFOs are always ____________________. (mystery)

10. Once a man is on a space trip, he seems to be in a _____________world. (difference)

11. He worked hard and suffered from a __________________ breakdown. (nerve)

12. He was _____________________ because of his using drug before the race. (qualify)

13. His drug ______________________results in his ten years in prison. (traffic)

14. We should widen our__________________ relations with highly developed countries.(cooperate)

15. She decided to have a siesta(giấc ngủ trưa) ever though she was ________________to sleeping in the afternoon. (accustom)

16. Although some societies are ____________________ undeveloped, their languages are very complex.(technology)

17. There was a sudden _______________of clapping and cheering as he stood up to receive the first prize. (burst)

18. TV is both informative and _________________________. (entertain)

19. Unluckily, a sailor fell _____________________ but no one noticed. (board)

20. The bad salary causes ______________________ among all workers. (satisfy)

21. She is ______________________for her beauty than for her talent. (know)

22. He made a number of ___________________in his career as a doctor. (succeed)

23. I only had a day to visit all the tourist _________________.(attract)

24. She gave the crying baby a toy to ________________him.(quiet)

25. His comment was very ____________________. We all like it.(encourage)

26. They are trying to look for another _______________________. (explain)

27. Northern winds were so strong, so the explorers decided to walk _____________(south)

28. You should ___________________ yourselves with the new environment. (family)

29. Her resignation was an unfortunate _____________________. (occur)

30. You can rely him. He is always a very __________________ person. (depend)