Hoàn thành các phương trình phản ứng sau:

\(\left(1\right)Fe+Cl_2\overset{t^{o}}{\rarr}\)

\(\left(2\right)Br_2+KI\rarr\)

\(\left(3\right)Zn+HCl\rarr\)

\(\left(4\right)AgNO_3+NaBr\rarr\)

Cho phản ứng của các chất ở thể khí:

\(2NOCl\left(g\right)\rarr2NO\left(g\right)+Cl_2\left(g\right)\)

Hãy viết biểu thức tính tốc độ trung bình theo sự biến đổi nồng độ chất đầu và chất sản phẩm của phản ứng trên.

I. PRONUNCIATION

1. C. equal
2. A. enrol
3. D. exhausted
4. A. unequal
5. B. equality
6. A. increase
7. D. married
8. C. import
9. D. belief
10. C. rebel

II. VOCABULARY AND GRAMMAR

1. A. equality
2. A. domestic
3. A. housekeeping
4. B. progress
5. C. chance
6. D. rights
7. B. unpaid
8. A. progress
9. B. Discrimination
10. B. prevent
11. B. might
12. A. mustn't
13. C. should
14. A. have to
15. D. can't
16. C. can/needn't
17. C. can be achieved
18. B. must be ended
19. B. must be promoted
20. D. should be provided
21. B. than
22. B. bigger than
23. C. the prettiest
24. D. funniest
25. B. the most expensive
26. A. providing
27. B. the most culturally
28. C. the
29. D. richer - more interesting
30. A. more
31. B. whose
32. A. that
33. C. whose
34. D. whom
35. C. are
36. D. apply
37. C. who
38. D. where
39. B. whom
40. B. which
41. D. software – knowledge
42. B. accessed
43. A. improve
44. C. available
45. D. potential
46. B. educational
47. C. promising
48. B. new and creative
49. C. ability
50. D. individual classwork

III. READING

1. C. James Barry pretended to be a man to become a doctor
2. A. noticeable
3. C. many people suspected that she was a woman
4. D. protested
5. B. She lost her temper easily
6. A. She performed her operations quickly
7. B. Because women were not allowed to study medicine or join the army
8. C. Barry’s deception

IV. WRITING

1. That film is less interesting than this one.
2. Your kitchen is bigger than mine.
3. A detective is a person who discovers the truth about crimes.
4. Mr. John is the best teacher in this school.
5. Complaints should be sent to the head office.
6. The football match had to be postponed because of bad weather.
7. Your teeth must be cleaned twice a day.
8. These old pictures won’t be hung in the living room.
9. The friend who comes from Vietnam is staying with me.
10. Electronic dictionaries, which can be very easily downloaded into your personal electronic device, are now common in English classes.
11. Russia is the biggest country in the world.
12. Many people believe that the Red Sea is the warmest sea in the world.
13. The girl whose electronic dictionary broke down looked very upset.
14. The clothes ought to be washed after school.
15. Men and women should be given equal rights to education and employment.