D

có

1. 4Na + O2 --- > 2Na2O

2. 2Al + 3S --- > Al2S3

3. Fe(OH)3 + 3HCl --- > FeCl3 + 3H2O

4. Fe2O3 + 3H2SO4 --- > Fe2(SO4)3 + 3H2O

5 . 2NaOH + Cu(NO3)2 --- > 2NaNO3 + Cu(OH)2

6 . 4P + 5O2 --- > 2P2O5

s1 = 25 cm và s2 = 20,5 cm.

Choose the best answer

1. I had ... to the countryside last month

A. a two-day trip

B. a two-days trip

C. two-day trip

D. two-days trip

2. What do people do ... a living in your village? They plant rice and vegetables

A. to

B. with

C. for

D. of

III. Choose the best answer A, B, C or D to complete the sentences.

1. UNICEF is working both nationally and regionally to educate the public on the ____ of educating girls.

A. importance             B. development                       C. enrollment                          D. hesitation

2. Reducing gender ____ improves productivity and economic growth of a nation.

A. equality                  B. inequality                            C. possibility                           D. rights

3. The gender ____ in education in Yemen is among the highest in the world.

A. gap                         B. generation                           C. sex                                    D. male

4. Gender equality ____ only when women and men enjoy the same opportunities.

A. will achieve            B. achieves                  C. achieve                               D. will be achieved

5. International Women's Day is an occasion to make more ____ towards achieving gender equality.

A. movement              B. progress                  C. improvement                      D. development

6. In Muslim countries, changes ____ to give women equal rights to natural or economic resources, as well as access to ownership.

A. may make               B. will make                C. must be made                     D. can make

7. Women are more likely to be victims of ____ violence.

A. domestic                 B. household               C. home                                   D. family

8. In order to reduce gender inequality in South Korean society, women ____ more opportunities by companies.

A. will prove               B. should provide       C. may be provided                D. should be provided

9. In Yemen, women have less ____ to property ownership, credit, training and employment

A. possibility               B. way                         C. use                          D. access

10. Child marriage ____ in several parts in the world because it limits access to education and training.

A. must stop                B. will be stopped                   C. must be stopped                 D. can be stop

11. The principle of equal pay is that men and women doing ____ work should get paid the same amount.

A. same                       B. alike                        C. similar                     D. identical

12. In Egypt, female students from disadvantaged families ____ scholarships to continue their studies.

A. will be given           B. can be given           C. may be given          D. must be given

13. In Korea, many people still feel that women should be in charge of ____ after getting married.

A. housekeeping         B. homemaker             C. house husband                    D. householder

14. Discrimination on the basis of gender ____ from workplaces.

A. should be removed             B. must be removed        C. can be removed              D. will be removed

C

D

a. 108

b. 1008

c. 102

d. 1023.

Danh từ: buổi chiều, mùa hạ, mây.

Tính từ: trắng, cao.

Động từ: xô đuổi.