Từ NaCl, MnO₂, H₂SO₄ đặc, Zn, H₂O. Hãy viết phương trình hóa học để điều chế khí hiđroclorua và khí clo bằng 2 cách khác nhau?

Một vật có trọng lượng 5N chuyển động với v = 7,2m/s. Tìm động năng của vật,
g = 10m/s2

1. Government ought to limit the number of cars.
The_____________________________________________________________________
2. Schools should allow students to take fewer tests.
Students_________________________________________________________________
3. You mustn’t use phones in the meeting.
Phones__________________________________________________________________
4. Parents can encourage children to join more outdoor activities.
Children_________________________________________________________________
5. We will not accept his apology.
His_____________________________________________________________________
6. Government must eliminate hunger as soon as possible.
Hunger_________________________________________________________________
7. Parents shouldn’t allow children to play violent games.
Children___________________________________________________________________
8. We should improve gender equality
Gender___________________________________________________________________
9. Women can obtain big achievements.
Big_____________________________________________________________________
10. We should allow girls to enrol in this school.
Girls________________________________________________________________
11. Parents ought to encourage children to play sports.
Children_____________________________________________________________
12. You mustn’t force kids to do what they don’t want.
Kids________________________________________________________________
13. Government must eliminate hunger and poverty.
Hunger______________________________________________________________
14. Jane can make a tirasumi.
A___________________________________________________________________
15. We should not discrimnate gender.
Gender______________________________________________________________
16. They may demolish this building in the future.
This building__________________________________________________________
17. My mother will buy a new laptop.
A___________________________________________________________________
18. Asian countries should balance the gender equality.
The_________________________________________________________________
19. They mustn’t reduce the amount of energy.
The_________________________________________________________________
20.The waiter brings me this dish.
________________________________________________________________
22. Our friends send these postcards to us.
________________________________________________________________
23. Their grandmother told them this story when they visited her last week.
_________________________________________________________________
24. Tim ordered this train ticket for his mother.
________________________________________________________________
25. She showed her ticket to the airline agent.
______________________________________________________________
26. Jim baked this cake yesterday.
________________________________________________________________
27. They are going to buy a new apartment next year.
_____________________________________________________________
28. The shop assistant handed these boxes to the customer.
_______________________________________________________________
29. The board awarded the first prize to the reporter.
______________________________________________________________
30. Have you sent the Christmas cards to your family?
______________________________________________________________
31. The committee appointed Alice secretary for the meeting.
______________________________________________________________
32. Tom will give Anna a ride to school tomorrow.

______________________________________________________________
33. They keep this room tidy all the time.
_______________________________________________________________
34. We gave Ann some bananas and some flowers.
_______________________________________________________________
35. They moved the fridge into the living room.
_______________________________________________________________

1. A lot of people think that marriage women shouldn’t pursue a career.
A B C D
2. We must stop discrimination on people coming from the rural area.
A B C D
3. My brother is good with cooking and he can cook very delicious food.
A B C D
4. I guess they may be kept home doing housework and look after their children.
A B C D
5. Women in rural areas might be forced to work both at home but on the fields.
A B C D
6. Some people think that girls shouldn’t be allowed to going to university.
A B C D

7. Gender discrimination should be eliminated for create equal opportunities in education for
A B C

everyone.
D
8. More girls should being chosen to represent us in the School Youth Union.
A B C D
9. Both women and men should be given equal rights for education and employment.
A B C D
10. This discrimination against women and girls must be abolishing.
A B C D
11. Efforts should be make to offer all children equal access to education.
A B C D
12. It is clear that gender differences cannot prevent a person to pursue a job.
A B C D
13. Traditional women were mainly responsible to doing housework and looking after their
A B C D

husbands and children.
14. Doing housework every day is really boring and tired.
A B C D
15. In the past, women was often passive and dependent on their husbands.
A B C D
16. Women usually get less pay as men for doing the same job.
A B C D

Exercise 3. Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s)
in each of the following questions.
1. This year, more girls enrolled on courses in art and design.
A. avoided B. inserted C. erased D. enlisted
2. In some rural areas, women and girls are forced to do most of the housework.
A. invited B. encouraged C. made D. contributed
3. Our government has done a lot to eliminate gender inequality.
A. cause B. remove C. add D. allow
4. We never allow any kind of discrimination against girls at school.
A. approve B. deny C. refuse D. debate
5. Women do not yet have equal rights in the family in this area.
A. variable B. similar C. different D. the same
6. It's time we banned discrimination at work.
A. bias B. equity C. fairness D. similarity
7. Both male and female students in my class perform very well.
A. assign B. work C. communicate D. entertain
8. Many people in our country still think married women shouldn’t pursue a career.
A. attempt B. attach C. achieve D. want
9. Most employers prefer male workers to female ones.
A. want B. compliment C. care about D. favour
10. She failed to get into medical university.
A. passed B. qualified C. didn’t succeed D. satisfied
11. In order to be successful, we should never give up hope.
A. fight B. abandon C. continue D. suspect
12. Gender discrimination has become a hot subject of conversations among school students.
A. topic B. study C. fact D. case
13. The government took big steps to prevent gender inequality.
A. increase B. avoid C. promote . D. cause
14. Those people who have enough courage and will are likely to be successful.
A. energy B. motivation C. bravery D. desire
15. Nowadays, many women are aware of gender preferences in favour of boys.
A. fail B. ignore C. deny D. acknowledge
16. With great effort, she passed the driving test at the first attempt.
A. succeeded in B. failed C. enrolled D. deferred
17. Female firefighters are sometimes the targets of laughter and anger from the coworkers and local people.
A. reasons B. sources C. directions D. victims
18. Many women had to pay a heavy price to win equality.
A. achieve B. lose C. attempt D. respect
19. Traditional women are often passive and dependent on their husbands.
A. free B. reliant C. adhered D. strong
20. Women will be exhausted if they have to cover both jobs at work and at home.
A. very relaxed B. very pleased C. very tired D. very happy
21. Men should share household chores with women in their families.
A. cover B. finish C. take D. split
22. The Government has raised the national minimum wage.
A. bonus B. expense C. waste D. pay
23. They were qualified for the job, but they were not recruited.
A. competitive B. selected C. competent D. applied
24. Wage discrimination affects women negatively.
A. motivates B. influences C. encourages D. affords
25. How are governments addressing the problem of inequality in wages?
A. focusing on B. raising C. creating D. ignoring

26. Many countries now allow and encourage women to join the army and the police forces.
A. permit B. force C. make D. prevent
27. We should encourage women to join more social activities.
A. prevent B. stimulate C. permit D. forbid
28. Working mothers contribute to household income.
A. reduce B. take C. add D. double
29. Family values are likely to pass down from generation to generation.
A. put down B. cut down C. go down D. hand down
30. Women's salaries are becoming important to their household budgets.
A. funds B. costs C. expenses D. fees

Kể tên các bộ luật của ché độ PK Việt nam từ TK X – XV? Các điều luật trên nói lên
điều gì?

Một viên đạn khối lượng 10 g đang bay với vận tốc 600 m/s thì gặp một bức
tường. Đạn xuyên qua tường trong thời gian
1
1000s
. Sau khi xuyên qua tường, vận
tốc của đạn còn 200 m/s. Tính lực cản của tường tác dụng lên đạn.

Tìm tổng động lượng ( hướng và độ lớn ) của hệ hai vật có khối lượng bằng
nhau m 1 =1kg, m 2 =1kg. Vận tốc vật 1 có độ lớn v=1m/s và có hướng không đổi,
vận tốc vật hai có độ lớn v 2 = 2m/s và có hướng vuông góc với v 1 ?