Câu 1: Hãy nêu đặc sắc nghệ thuật của Thạch Lam  trong bài dưới bóng hoàng lan

. Mọi người giúp e với ạ

câu 22: một oxit có công thức X2O có tổng số hật trong phân tử là 66,tổng số hạt cơ bản trong B là 92,trong đó số hạt mang điện hơn số hạt không mang điện là 28 hạt,B là ?
(trình bày cách làm giúp e vs ah,tại e k hiểu)

câu 21: một oxit có công thức X2O có tổng số hật trong phân tử là 66,số hạt mang điện nhiều hơn số hạt không mang điện là 22 hạt,xác định công thức của Oxit(trình bày cách làm giúp e vs ah,tại e k hiểu)

Câu 20 : nguyên tử của nguyên tố X có tổng số h ạt là 40 ,tìm số hiệu nguyên tử của X số điện tích hạt nhân và viết kí hiệu nguyên tử X?

 câu 5 :tổng số hạt nguyên tử R là 155,số hạt mang điện nhiều hơn số hạt không mang điện là 33,tìm số p,n,e và số điện tích hạt nhân của R

Viết câu điều kiện loại 1 với if dựa vào các câu cho sẵn.

0.  Work harder or you lose the job.

-> If you don’t work harder, you will lose the job.

1. Stop telling lies or no one will trust you anymore.

_________________________________________________________________

2. Pay attention to the teacher or you can’t understand the lessons.

_________________________________________________________________

3. Go to bed early or you will be exhausted the next morning.

_________________________________________________________________

4. Save money from now and you can reward yourself with a long vacation at the end of the year.

_________________________________________________________________

5. Read more books and you can broaden your knowledge.

_________________________________________________________________

6. Brush your teeth often in order not to get toothache.

_________________________________________________________________

7. Listen carefully or you won't know what to do.

_______________________________________________________

8. Unless you want to get sick, you should eat more healthily.

_________________________________________________________________

IX.  Write the second sentence so that it has the same meaning as the first one.

1.    When did you buy your motorbike?

→   How long_____________________________________________________________

2.    If I were you, I would check my answers before handing in the test.

→   You had______________________________________________________________

3.    Everyone must respect the traffic laws.

→   The traffic_____________________________________________________________

4.    I didn’t switch the computer off when I went out.

→   I forgot_______________________________________________________________

5.    Living in a village always seems strange to me.

→   I have never___________________________________________________________

6.    Sue had left the office before the manager arrived there.

→   When the manager______________________________________________________

7.    The town council has created a cooking club.

→   A cooking_____________________________________________________________

8.    Unless you leave home now, you will miss the flight.

→   If____________________________________________________________________

9.    “Did you write a note for Anna?” I asked my mother.

→   I asked________________________________________________________________

10.  It’s not possible to play tennis because of the rain.

→   The rain makes_________________________________________________________

VII. Complete the conditional sentences with the correct tense or form of the verbs in brackets. Add will, would, or other modal verbs if necessary.

1.    You might catch a cold if you _______ (take) a shower late at night.

2.    My sister _______ (not make) a cake if she doesn’t have enough ingredients.

3.    What _______ (happen) if there was no more electricity?

4.    If she _______ (speak) more clearly, I could understand her.

5.    You _______ (take) a break from work if you feel stressed.

6.    If Beth _______ (not eat) so much junk food, she’d lose weight.

7.    If it isn’t hot tomorrow, we _______ (not go) to the beach.

8.    If I had wings, I _______ (be) able to fly like Peter Pan.

9.    She won’t finish it on time if she _______ (not start) right now.                                                   

10.  She’s going to take a vacation next week if she _______ (get) time off work.

11.  She _______ (leave) early if she’s finished her work?

VIII. Complete the sentences, using the word(s) given.

1. After/ they/ listen/ music/, / they/ play/ chess/. /

      ________________________________________________________________________

      2. artisan/ mould/clay/so that/ make/statue/. /

      ________________________________________________________________________

      3. We/ get/ work/ late/ this morning/ because/ miss/ train/. /

      ________________________________________________________________________

      4. Though/ this village/ famous/ its silk products/, / I/ never/ buy/there/. /

      ________________________________________________________________________

      5. artisans/ my village/ live/ basket weaving. /

      ________________________________________________________________________

II. Use the correct form of the words in brackets

1. A handicraft is a thing which is …......................... made with one’s hands. (skill)             

2. Tokyo is one of the most ...........……….……….cities in the world . (life )

3. Public transport in Australia is convenient and  ……………..….. if you can go by bus,

 by train or light rail. (rely).

4. The boys don’t play football as ……................ as they used to be.                    (good)

5. Generation gap is always facing the problems of…......................... …., communication, feelings, thoughts,…. (behave)         

6. He thinks joining in an English Speaking Club will help him to communicate with foreigners ...........……….……….. (confidence )

7. “ I’m really stressed out” I’ve had three …….…….. nights thinking about my exam. ( sleep)

8. The calls were mostly questions about family relationship,…………………., and physical and mental health. ( friend)

9. When you are in difficult situation, you will need adult support and,…………………., to make informed decision and overcome stress. ( guide)

10. Many more tourists have visited Ha Long Bay since UNESCO’s ….........................…, of this beautiful spot. ( recognise)

11. Phong Nha - Ke Bang can be compared to a precious….................….museum.(geology)

12. Ha Long Bay, which means descending dragon, is the          ….........................… heritage of the world with 1,6000 limestone islands. (nature)   

13. Below Sa Pa are….........................…rice terraces in the endless valley.         (picture)

20. His second............................... was broken again because of his selfishness. (marry)

21. Sometimes parents put too high .................................... on their children. (expect)

22. The hand-woven textiles were made by skilled local.........................…. (art)

23. The outdoor food markets in Viet Nam are.........................….(afford)

24. Sydney is a metropolitan and...................................…city. (multiculture)

25. His stresses often come from school pressures and ……………………………….(frustrate)

26. Did teenagers in the past ………………………………. their emotions? (public)

27. Many ethnic people in the mountains are still ………………………………...(illiteracy)

28. Adolescence is the period between  ................................ and young adulthood. (child)

29. Photography is strictly …………………………….. in this museum. (forbid)

30. The man was very upset because he was …………………………in his career.(success)