1,C

2,A

3,C

4,C

5.B

1,A

2,D

3,D

4,A

5,D

1,C

2,B

3,B

4,C

5,C

6,D

7,D

8,D

9,C

10,A

A

I

1C

2A

3C

4C

5B

II

1A

2D

3D

4A

5D

B

III

1C

2B

3B

4C

5D

6C

7A

8D

9C

10A

a. \(Al_2O_3\)

b. \(Fe\left(NO_3\right)_2\)

c. \(SO_2\)

d. \(Na_2SO_4\)

e. \(Ba\left(OH\right)_2\)

a) \(Al_2O_3\)

b) \(Fe\left(NO_3\right)_3\)

c) \(SO_2\)

d) \(Na_2SO_4\)

e) \(Ba\left(OH\right)_2\)

1D

2C

3D

4B

5D

10. C

11. B

12. C

13. B

14. A

15. D

16. C

17. B

18. D

19. A

1. đúng 

2. was embarrassed

3, bored - boring

4, comjusing - conjused

5. đúng

1

- despite the film's amaning ejjects , its plot is not so appealing

2

-although the doesn't look very beautiful , the has a kind heart

3

- I spite oj I don't like her very oj taking, I appreciate her ejjort

4.my brother is very yoring, nevertheless , he talks like a middle - aged man

5 My brother is very young , but he talks like a middle - aged man

đâu bạn ????

1B

2A

3B

4B

5D

6A

7B

8B

9D

10B

1 are

2 taught

3 will be - makes

4 is sleeping

5 building (dream of Ving: mơ ước được làm gì)