1. A
2. D
3. A
4. D
5. B
6. C
7. D
8. D
9. A
10. B
11. C
12. B
13. D
14. B

Do miền núi người dân có trình độ dân trí chưa được cao, thiếu hiểu biết về sốt rét, chưa được tiếp cận với các đợt phun thuốc diệt muỗi, lăng quăng và đặc biệt là do ở miền núi điều kiện cho muỗi anophen hình thành và phát triển.
Kiết lị là do ăn uống ko sạch gây ra. Khi lượng thức ăn bẩn này vào đường ruột lập tức bị tống ra ngoài. Do nhiễn đọc nên ruột mất khả năng tiêu hóa dẫn đến việt đi ngoài có nước do ruột ko thể hấp thụ lại nước trc khi thải ra. Bên cạnh đó một lượng nhỏ thức ăn đã được ruột tiêu hóa trc đó cũng bị tống ra theo.

1.      Vietnam is a multi-ethnic country with 54 ethnic groups.

2.      The Viet (Kinh) people account for 87% of the country’s population.

3.      Chaul Chnam Thmey is the celebration of New Year by Khmers.

4.      Ancestor worshipping is the most important religious activity among the Bru-Van Kieu.

5.      The La Ha grow the cotton but do not weave.

6.      The Rong house of the Xo Dang is a big stilt house with a high roof which looks like a/an/ the axe.

7.      The young Co Ho women play an active role in marriage.

8.      The Ba Na are one of the oldest ethnic minority groups living in a / – / the Central Highlands.

10. The right of inheritance in Ede families is only for the  daughters.

11. Y Phon lives in the city, but his family still live in a small village.

12. The M’Nong live in houses built on the stilts or level with a ground.

Tìm x, biết

\(\sqrt{x^2-2x+4}=2x-2\)

12. People who do voluntary work in this city (give) _____________ out free food to the poor for a long time.

13. How often _____________ you (practise) _____________ speaking English?

14. I (get) _____________ good marks after my examination finished at school.

15. _____________ they (leave) _____________ their house when their parents visited them?

16. If I were you, I (not go) _____________ out alone.

17. Jenny usually (attend) _____________ her teachers' lectures on time.

18. In my house, pigs are often (feed) _____________by my mother.

19. How about (travel) _____________ to Nha Trang beach this weekend?

20. Anna (not manage) _____________ to prevent her cats from fighting with each other since the first time.

UNIT 7

E. VERB FORMS

I. Put the verbs into the correct forms.

1. If people (be) _____________ fully aware of the dangers of air pollution, they (damage) _____________ the atmosphere this way.

2. If I (be) _____________ you, I (turn) _____________ the volume down for him to sleep.

3. We (not be) _____________ able to drink that water if it is not refined.

4. If you (reduce) _____________ the number of bulbs in your house, you (pay) _____________ less money for the electricity bill next month.

5. If many animals and plants die, it (unbalance) _____________ our ecosystem.

6. I’ll only stay if you (offer) _____________ me more money.

7. If anyone (call) _____________, tell them I'm not at home.

8. If he (improve) _____________ his IT skills, he'd easily get a job.

9. If I was in charge, I (do) _____________ things differently.

10. She (glare) _____________ at me if I go near her desk.

11. If I were you, I (not do) _____________ that.

12. If I (have) _____________ more time, I would do more on my websites.

13. If I were a rich man, I (buy) _____________ a home like palace.

14. If I (speak) _____________ English very well, I would look for a job in foreign companies.

15. If I (understand) _____________ what the teacher said, I could tell you.

16. If I (have) _____________ time, I (finish) _____________ that letter.

17. What you (do) _____________ if you (miss) _____________ the plane?

18. Nobody (notice) _____________ if you (make)_____________ a mistake.

19. If you (drop) _____________ that glass, it (break) _____________.

20. If you (not leave) _____________, I (call) _____________ the police.

UNIT 8

E. VERB FORMS

I. Put the verbs into the correct forms.

1. The bus for the excursion to the farm (leave) _____________at 8.30 a.m. tomorrow.

2. We (visit) _____________Edinburgh twice, but we (visit) _____________ it again in 2018.

3. The educational campaign about recycling (take place) _____________at 9.30 a.m. in front of the local stadium.

4. There is no need to hurry. The concert (last) _____________2 hours and we will still have a plenty of time to enjoy it.

5. Great! I (win) _____________a trip to Singapore.

6. Remember to lake an umbrella with you when travelling to London. You know it always (rain)_____________ in England.

7. Mr. Brown (write) _____________ three poems about his motherland.

8. Look! That man (run) _____________ after the bus. He (want) _____________ to catch it.

9. My brother (not/ play) _____________ any match since last month.

10. Lucia (swim) _____________ very well, but she (not run) _____________ very fast.

11. Sorry I can't help you. I (not know)_____________where they keep their document.

12. I can't talk on the phone now. I (drive) _____________home.

13. Is this the first time she (lose) _____________ her job?

14. She rarely (come) _____________ to see her parents because she is very busy.

15. Oh, No! Somebody (take) _____________ my car.

16. Mark (have) _____________ lunch with his friends in a Chinese restaurant.

17. Carlos got his bike last June. So, he (have) _____________ it for 6 months.

18. All members in my family often (have) _____________breakfast late.

19. They (clean)_____________ their car. It looks new again.

20. She (lose) _____________ the keys, so she can't open the door.

UNIT 9

E. VERB FORMS

I. Put the verbs in brackets into the correct form.

1. Before she (go)_____________ to bed, she (finish) _____________ her homework.

2. Few people (understand) _____________ the news when the consequences began to appear.

3. After they (go)_____________, he (sit) _____________ down and (rest) _____________.

4. When I came to the theatre, the film (start)_____________.

5. Before she (listen)_____________ to music, she (do) _____________ homework.

6. Last night, David (go)_____________ to the supermarket before he (go)_____________ home.

7. _____________ you (finish)_____________ the report before he asked for it?

8. Our boss (not make)_____________ the decision yet when management changed their mind.

9. Mark (want) _____________to go to New York, but his wife changed his mind.

10. We (eat already)_____________ so we weren't hungry.

11. _____________ you (take) _____________ part in this game if you have free time?

12. People who do voluntary work in this city (give) _____________ out free food to the poor for a long time.

13. How often _____________ you (practise) _____________ speaking English?

14. I (get) _____________ good marks after my examination finished at school.

15. _____________ they (leave) _____________ their house when their parents visited them?

16. If I were you, I (not go) _____________ out alone.

17. Jenny usually (attend) _____________ her teachers' lectures on time.

18. In my house, pigs are often (feed) _____________by my mother.

19. How about (travel) _____________ to Nha Trang beach this weekend?

20. Anna (not manage) _____________ to prevent her cats from fighting with each other since the first time

Mark (have) ____ lunch with his friends in a Chinese restaurant.