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25 tháng 1 2022

Một hợp chất khí, phân tử có 85,7% C về khối lượng, còn lại là H. Phân tử khối của hợp chất là 28. Tìm số nguyên tử của mỗi nguyên tố trong 1 phân tử hợp chất.

15 tháng 2 2021

1. Will you be met at the airport, Tom?

2. Was that report written by Aland?

3. Has the room been cleaned anymore yet?

4. Can English be spoken in the class?

5. What will be done by them by the end of the year?

6. Can't this dress be washed?

7. I wasn't told the truth.

8. Will their children be brought home by bus?

9. Why wasn't he helped by them?

10. The emails are opened by the secretary every day.

11. I am not allowed to take a seat by the window by the teacher.

12. Tom's mother was made worried about his absence.

13. A new school is being built in this town.

14. The report should be finished right now.

15. The matter will be discussed in the afternoon. ( Mình thay "shall" thành "will" vì "shall" chỉ dùng cho "I" và "we")

6 tháng 8 2023

1 Mai how long she had lived in Hanoi.

2 when our mother would arrive

3 to do those exercises ourselves

4 why I hadn't gone to the party the previous night

5 how often we had come back our village

Bạn ơi đăng đúng môn với ạ, đăng đúng môn thôi cũng khó lắm hay gì?

6 tháng 8 2023

1. They asked Mai how long she had lived in Hanoi.

2. Tam asked us when our mother would arrive.

3. Mr Tom asked us to do those exercises ourselves.

4. He asked me why I didn't go to the party the night before.

5. They asked us how often we had come back our village.

1 tháng 9 2023

Outside of class, students also have to spend a lot of time self-studying and reviewing at home to be able to absorb and remember knowledge most effectively. Self-study is a modern form of learning widely applied because of the efficiency and convenience it brings. On the other hand, self-study also brings many challenges to learners because this form of learning requires a very high level of discipline and self-discipline. So why does self-study bring any benefits and what is an effective self-study method?

Each student has a different learning method to suit your personality. There are students who feel more focused when studying and listening to music, but there are also students who prefer a quiet study space. In addition, you can choose diverse learning methods that suit you such as drawing mind maps, learning through images, videos,... when spending time studying on your own. Not only that, students can study at an appropriate pace, spending time learning deeply about the issues they care about.When studying on their own, students are completely proactive in choosing study times that suit their schedules and personal habits. For example, there are students who feel they concentrate better in the evening, but on the contrary, there are also students who feel that morning is the right time to study. In addition, each student has a different free time budget and students are completely proactive in choosing self-study time that suits their personal needs.

When studying on their own, students are completely proactive in choosing study times that suit their schedules and personal habits. For example, there are students who feel they concentrate better in the evening, but on the contrary, there are also students who feel that morning is the right time to study. In addition, each student has a different free time budget and students are completely proactive in choosing self-study time that suits their personal needs.

Building a suitable self-study schedule for yourself will be the foundation for building a good habit for students. When studying on their own, students will be trained to be proactive and develop problem-solving skills because they need to proactively explore learning materials as well as find solutions to their questions. In addition, self-study means that students need to proactively arrange their time appropriately, this will help them form habits as well as self-discipline in learning.

Self-study requires high self-awareness and perhaps for many of you, this is the biggest challenge to overcome. Therefore, students should build a timetable suitable to their personal schedule, dividing time for studying, entertainment and time for other work. Note, you should allocate appropriate time so that your body does not fall into a state of fatigue and exhaustion, as well as choose the time when you feel you can concentrate best to study.

After having a suitable timetable, students should avoid the habit of procrastination and adhere exactly to the timetable they set to achieve the best results.

1 tháng 9 2023

Outside of class, students also have to spend a lot of time self-studying and reviewing at home to be able to absorb and remember knowledge most effectively. Self-study is a modern form of learning widely applied because of the efficiency and convenience it brings. On the other hand, self-study also brings many challenges to learners because this form of learning requires a very high level of discipline and self-discipline. So why does self-study bring any benefits and what is an effective self-study method?

Each student has a different learning method to suit your personality. There are students who feel more focused when studying and listening to music, but there are also students who prefer a quiet study space. In addition, you can choose diverse learning methods that suit you such as drawing mind maps, learning through images, videos,... when spending time studying on your own. Not only that, students can study at an appropriate pace, spending time learning deeply about the issues they care about.When studying on their own, students are completely proactive in choosing study times that suit their schedules and personal habits. For example, there are students who feel they concentrate better in the evening, but on the contrary, there are also students who feel that morning is the right time to study. In addition, each student has a different free time budget and students are completely proactive in choosing self-study time that suits their personal needs.

When studying on their own, students are completely proactive in choosing study times that suit their schedules and personal habits. For example, there are students who feel they concentrate better in the evening, but on the contrary, there are also students who feel that morning is the right time to study. In addition, each student has a different free time budget and students are completely proactive in choosing self-study time that suits their personal needs.

Building a suitable self-study schedule for yourself will be the foundation for building a good habit for students. When studying on their own, students will be trained to be proactive and develop problem-solving skills because they need to proactively explore learning materials as well as find solutions to their questions. In addition, self-study means that students need to proactively arrange their time appropriately, this will help them form habits as well as self-discipline in learning.

Self-study requires high self-awareness and perhaps for many of you, this is the biggest challenge to overcome. Therefore, students should build a timetable suitable to their personal schedule, dividing time for studying, entertainment and time for other work. Note, you should allocate appropriate time so that your body does not fall into a state of fatigue and exhaustion, as well as choose the time when you feel you can concentrate best to study.

After having a suitable timetable, students should avoid the habit of procrastination and adhere exactly to the timetable they set to achieve the best results.

7 tháng 4 2019

1.I began learning English last year.

2.They stop talking when the teacher comes in.

Choose the best option to complete each of the following sentences.  5. You can speak English fluently, __________?A. could youB. can’t you C. can you D. couldn’t you   6. On average, _________Moon is 384.400 km from ___________ Earth.A. the-theB. x-theC. a-an D. a-the  7. _________ my opinion, he is the best football player in our team.A. OnB. AtC. InD. From  8. On March 8th , women often _____ beautiful roses, postcards, lots of gifts with the best   wishes from their relatives and...
Đọc tiếp

Choose the best option to complete each of the following sentences.

  5. You can speak English fluently, __________?

A. could you

B. can’t you

C. can you

D. couldn’t you

  6. On average, _________Moon is 384.400 km from ___________ Earth.

A. the-the

B. x-the

C. a-an

D. a-the

  7. _________ my opinion, he is the best football player in our team.

A. On

B. At

C. In

D. From

  8. On March 8th , women often _____ beautiful roses, postcards, lots of gifts with the best   wishes from their relatives and friends.

A. give

B. send

C. have

D. receive

  9. The driver stopped ______ a coffee because he felt sleepy.

A. have

B. to have

C. having

D. had

  10. I wish I ______ play football well.

A. can

B. could

C. am

D. did

  11. If I ________ you, I would join this English Speaking Contest.

A. were

B. am

C. would be

D. will be

  12. _______ there is a lot of noise in the city, I like living there.

A. Because

B. Despite

C. In spite of

D. Although

  13. I suggest ________ a shotcut through the field . It will take much less time.

A. take

B. taking

C. to take

D. takes

  14. She has a lot of ___________ while she’s studying English.

A. difficult

B. difficulties

C. difficile

D. diffident

   15. He finds the way to a place easily. He was a very good sense of ___________

A. direction

B. humor

C. style

D. responsibility

16. There are lots of people who _____ work in remote and mountainous areas  nowadays.

A. volunteers

B. voluntary

C. voluntarily

D. volunteer

   17. If you want to _____ the other students in your class, you’ll have to work very hard.

A. catch up with

B. learn on

C. catch up

D. hurry up

 

  Mark the letter A, B,C or D to indicate the correct answer to each of the following        questions.

  18. -  Mary: “ Thank s for your help, John.”    

        - John:   “ ______________”

A. There’s nothing

C. It’s my pleasure

B. Nothing

D. It sounds good

   19. – Lan: “ Do you think Covid-19 is one of the most dangerous diseases?”

         -  Mai: “ ________________”

A. Well that’s very surprising

C. Not at all. Go ahead.

B. Sure. Thanks.

D. There’s no doubt about it.

   

  Choose one underlined part that is incorrect in each of the sentences.

   20. Some of the students seemed very nervously before the final exam.

             A                         B                                    C          D

   21. The number of students are not large, therefore, a number of tickets are available to   

               A                                      B                                                   C                                          D

   them.   

    22. You should take the raincoat with you in case it will rain hard this afternoon.

                                A                         B               C              D

    23. Her sister always runs more quickly as her.

                                A       B               C       D                   

    24. As soon as he completes his homework, he helps feed the chickens and collects the

                                     A                         B                                              C                 D

     eggs.

    Choose the sentence that is closest in meaning to each of the sentences given.

    25. My father often played football when he was young.

    A. My father used to play football when he is young.

    B. My father used to play football when he was young.

    C. My father used to playing football when he was young.

    D. My father used to playing football when he be young.

    26. The teacher said “ You must prepare your lessons before going to class”.

    A. The teacher said that you must prepare your lessons before going to class.

    B. The teacher said that we must prepare your lessons before going to class.

    C. The teacher said that we had to prepare our lessons before going to class.

    D. The teacher said that we had to  preparing our lessons before going to class.

    27. He bought this book last week.

    A. This book was bought by him last week.

    B. Last week, this book was bought by him.

    C. This book is bought by him last week.

    D. This book was bought by he last week.

    Choose the sentence that best combines each given pair of sentences.

    28. I was very tired. I went to bed early.

    A. I was very tired but I went to bed early.

    B. Although I was very tired but I went to bed early.

    C. I went to bed early when I was very tired

    D. I went to bed early because I was very tired.

   29. He was sitting on a chair. It was uncomfortable.

    A. The chair who he was sitting on was uncomfortable.

    B. The chair which he was sit on was uncomfortable.

    C. The chair which he was sitting on was uncomfortable.

    D. The chair whom he was sitting on was uncomfortable.

30. They heard about his bad marks. They were sad.

   A. They are sad that they heard about his bad marks.

   B. They were sad because of they heard about his bad marks.

   C. They were sad that they heard about his bad marks.

   D. They were sad so they heard about his bad marks.

   Read the following passage and choose the correct answer.

       I began teaching career nearly six years ago. I spent six years (31) _____ in a remote      village where the villagers were very poor and the living standard was low. Sometimes I was very (32)______ because of bad living condition (33)________ low pay. I was really homesick. However, at that time, with my youth enthusiasm. I tried my best to devote myself to the noblest career that was ‘teaching’. I love my poor (34)________ students (35)_______ were living in poverty. Despite the poor life, they couldn’t suffer from empty mind.

31. A. taught

B.  teaching

C. teaches

D. to teach

32.A disappointed

B. disappoints

C. disappointing

D. disappoint

33. A. so

B. because

C. and

D. although

34. A. few

B. less

C. some

D. little

35. A. who

B. which

C. whom

D. where

Read the passage and choose the best answer for each question.

Truong Yen Festival is from the 9th to the 11th day of the third lunar month, the main festival day is on the 10th day of the third lunar month. This festival is celebrated in Truong Yen Commune, Hoa Lu District, Ninh Binh Province and by the locals. The festival is in memory of the Kings of the Dinh and Le dynasties. The festival lasts for three days with many traditional games and martial arts. There are many cultural and sports activities, including a procession to carry water from the Hoang Long River to the King Dinh and King Le temples, a drum festival, and volleyball, human chess, and folk games... The most special about the Truong Yen Festival is a game called " maneuver game with red flag", which replays the childhood of Dinh Bo Linh as a buffalo boy in Truong Yên.

 36. What is the best title of the passage?

A. The Kings Festival

C. Activities of a Festival   

B. The Festival in Ninh Binh Province

D. Truong Yen Commune

 37. How long does Truong Yen Festival last?

A. Three days        

C. On the 10th day 

B. From the 9th to the 11th day.

D. During the third lunar month.

38. What is the most special about the Truong Yen Festival?

A. Many traditional games and martial arts.

B. Many cultural and sports activities.

C.  The game replays the childhood of the King Dinh.

D.  In memory of the Kings of the Dinh and Le dynasties.

39. What does the word “which” in the passage mean?

A. Martial arts         B. Cultural activities           C. Sports activities        D. A game

40. Which of the following is not TRUE?

A. The festival is in honor of the Kings of the Dinh and Le dynasties.

B. The third day of the tenth lunar month is the main festival day.

C. There are many traditional games and martial arts.

       D. Dinh Bo Linh was a buffalo boy in Truong  Yen      

2
4 tháng 3 2022

Có gì đó sai sai thì phải, Anh -> Hoá:)

4 tháng 3 2022

  5. You can speak English fluently, __________?

A. could you

B. can’t you

C. can you

D. couldn’t you

  6. On average, _________Moon is 384.400 km from ___________ Earth.

A. the-the

B. x-the

C. a-an

D. a-the

  7. _________ my opinion, he is the best football player in our team.

A. On

B. At

C. In

D. From

  8. On March 8th , women often _____ beautiful roses, postcards, lots of gifts with the best   wishes from their relatives and friends.

A. give

B. send

C. have

D. receive

  9. The driver stopped ______ a coffee because he felt sleepy.

A. have

B. to have

C. having

D. had

  10. I wish I ______ play football well.

A. can

B. could

C. am

D. did

  11. If I ________ you, I would join this English Speaking Contest.

A. were

B. am

C. would be

D. will be

  12. _______ there is a lot of noise in the city, I living there.

A. Because

B. Despite

C. In spite of

D. Although

  13. I suggest ________ a shotcut through the field . It will take much less time.

A. take

B. taking

C. to take

D. takes

  14. She has a lot of ___________ while she’s studying English.

A. difficult

B. difficulties

C. difficile

D. diffident

   15. He finds the way to a place easily. He was a very good sense of ___________

A. direction

B. humor

C. style

D. responsibility

16. There are lots of people who _____ work in remote and mountainous areas  nowadays.

A. volunteers

B. voluntary

C. voluntarily

D. volunteer

   17. If you want to _____ the other students in your class, you’ll have to work very hard.

A. catch up with

B. learn on

C. catch up

D. hurry up

 

28 tháng 2 2021

You must accept the fact that she has left you. (RESIGN)

=> You must resign yourself to the fact that she has left you.

k cho me nha .

26 tháng 11 2019

1. painting

2. attraction

3. employment

4. forbidden

Học tốt nhé ^3^

22 tháng 3 2020

Mn ơi giúp mình với  :D

#TTT

14 tháng 5 2021

1. original name/of/Ha Noi/Phu Xuan

2. most famous/Egyptian pyramids/found/at Giza/in/Ca

3. there/city/called/ Kiev/in/America

4. My Son/set of ruins/from/ancient Cham Empire/ UNESCO World Heritage Site

5. English/first language/in/many countries/outside/United Kingdom

Đáp án:

1. The original name of Ha Noi was Phu Xuan.

( Tên ban đầu của Hà Nội là Phú Xuân.)

2. The most famous Egyptian pyramids are found at Giza in Cairo.

(Kim tự tháp nôit tiếng nhất Ai Cập là Giza ở Cairo.)

3. There is a city called Kiev in America.

( Có một thành được là Kiev ở Mỹ.)

4. My Son, a set of ruins from the ancient Cham Empire, is a UNESCO World Heritage Site.

(Mỹ Sơn, một cụm tàn tích từ đế chế Chăm cổ là một di tích thế giới được UNESCO công nhận.)

5. English is the first language in many countries outside the United Kingdom.

( Tiếng anh là tiếng mẹ đẻ trong rất nhiều quốc gia bên ngoài nước Anh.) 

14 tháng 5 2021

co ve uy tin that 

thank~