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Black hole is the vacuum dark hole eat the universe.

The supernova made the black hole because giant star blast

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câu 1

A black hole is a place in space where gravity pulls so much that even light can not get out. The gravity is so strong because matter has been squeezed into a tiny space. This can happen when a star is dying.

câu 2

A black hole can be formed by the death of a massive star. When such a star has exhausted the internal thermonuclear fuels in its core at the end of its life, the core becomes unstable and gravitationally collapses inward upon itself, and the star's outer layers are blown away.

câu 3

The defining feature of a black hole is the appearance of an event horizon—a boundary in spacetime through which matter and light can pass only inward towards the mass of the black hole. Nothing, not even light, can escape from inside the event horizon.

câu 4

66 billion solar masses Currently the largest known black hole, powering the quasar TON 618, has a mass of 66 billion solar masses. TON 618's enormous bulk led scientists to speculate whether or not even larger black holes exist, and if there is any upper limit to their sizes.câu 5Astronomers believe that supermassive black holes lie at the center of virtually all large galaxies, even our own Milky Way. Astronomers can detect them by watching for their effects on nearby stars and gas.câu 6 ( tự làm đi )tui Tham  khảo hết nha 

1. What is the school named/ called?

-> My school named/called Nguyen Du school.

2. Where is it situated/ located?

-> It is located at Buon Ho Town.

3. When was it founded/ built?

-> It was founded/built many years ago.

4. What can be seen in the schoolyard?

-> We can see two big yards, a library,... and many other things.

5. What is grown in the school garden?

-> Flowers and trees are grown in the school garden.

6. How are the classrooms decorated?

-> The classrooms are decorated simply but beautiful.

7. Where are the teachers' motorbikes and students' bikes kept?

-> The teachers' motorbikes and studens' bikes are kept at backyard.

8. What is your school surrounded by?

-> It is surrounded by two other schools.

2 .

My school is called Vinh Thanh secondary school. My school is very clean and beautiful, teachers and students are very innocent, fun, friendly and hospitable.There are seven hundred students and seventy-five teachers. There are 25 rooms in the school. Fifteen rooms are for classes, two room is for the teachers, a special room for the Head Teacher and other room. The results of the school is good. . They are high qualified teacher. They teach us with pleasure. They loves us like their own children. There is a big play ground in front of the school. I love my school very much.

I .Write the answers to the questions about your school.
1.What is the school named/called?
My school named Vinh Long
2.Where is it situated/located?
My school is in Hai Phong
3.When was it founded/built?
It was founded for 1957
4.What can be seen in the schoolyard?
I can see many flower gaderns, green trees
5.What is grown in the school garden?
Flowers and trees grown in my school gardern
6.How are the classrooms decorated?
The classrooms decorated by wall paper
7.Where are the teachers' motorbikes and students' bikes kept?
They kept in the shed behind my school
8.What is your school surrounded by?
My school surrounded by the brick wall

1 What's the time? - ...It is ... 3.30. ~ And what's the date? ~ . . . it is. . . the 24th.

2 How far... is it...to York? ~ . . . it is. . . 50 miles.

3 ... ..It was. very stormy last night. ~ Yes, ..there were. ... storms all over the country.

4 ...It is ... freezing very hard. ...There will be ...ice on the lake tomorrow.

5 As... .it was.. sunny she decided to take the children to the sea.

6 Why don't you go for a walk? . . . . It is. . a pity to stay in when . .it is . . . . so nice outside.

7 ... There are... not any shadows because ...there is ... not any sun.

8 ...There is ... going to be a bus strike tomorrow. ~ ... ... It will be..all right if ... .it is.. a fine day; but if ... it is... wet ... .There will be.. ...long queues on the Underground.

9 ... There is... not any glass in the windows; that is why . . . .it is . . so cold in the room.

10 ...It was ... very wet yesterday; ... It was... impossible to go out.

11 ...There was ...a lot of rain last week. ...There were ... floods everywhere.

12 ... ..There was .a thick fog last night. ... ..There were. several accidents on the motorway.

13 ... ..It is. foolish to drive fast when ... ..it is. foggy.

14 ... .It is.. difficult to find your way round this town. . . .There are . . . so many streets all looking exactly alike.

15 Come on, children! ...It is ... time to get up! ..It is. ... nearly breakfast time.

2. He will be sleeping when I come back

3. He will be travelling all night.

4. You will be swimming in the sea this time next week.

5. We will be working very hard in the autumn

6. I will be waiting for you at the usual time.

7. My friend will be waiting for me at the airport when the plane arrives

8.Vietnamese people will be using solar energy in all their home in the year 2020

Tham khảo
Raz plus is an amazing app. It helps me study English more effectively. I use it almost everyday. I can read a lot of reading books in both fiction and non-fiction. It also helps me improve my pronunciation by listening and recording. But I need to buy its account so as to use it.

"Hoc24" is not an app but it is still a web for students to learn and so am I. Now, I am focusing on studying Ielts so I have less time to study on the web. On "Hoc24", students can have correct answers for their homework and practice with more kinds of work, you can also study for examinations. Sometimes, there is an error but teachers in Hoc24 still update and fix it.

1. What kind of device / app is it? (Đó là ứng dụng gì?)

It is a translation app / dictionary app. (Đó là ứng dụng dịch/ từ điển.)

2. How often do you use it? (Bạn dùng nó có thường xuyên không?)

I use it when I learn English or when I don't know the meaning of the word.

(Tôi dùng nói khi tôi học tiếng Anh hoặc khi tôi không biết nghĩa của từ.)

3. What are the benefits of using it?

(Lợi ích của việc sử dụng nó là gì?)

I can understand the meaning of the word, also I can know the stress of the word and I know how to use that word in a sentence.

(Tôi có thể hiểu nghĩa của từ, cũng như biết trọng âm của từ và các để dùng từ đó trong câu.)

4. Are there any problems using it?

(Có vấn đề gì khi sử dụng nó không?)

I'm a little bit lazy to remember the words, I depend on it too much.

(Tôi hơi lười nhớ từ, tôi phụ thuộc vào nó quá nhiều.)

1.How are you feeling?Why?

I'm very happy because today is my birthday.

2. What is the weather like?

The weather is sunny and windy.

3 Where are you ?

I'm at home.

4. Who is with you ?

I'm in the living room with my family.

5 What are you doing ?

I'm having a party with my family.

1. What is the school named/ called?

-> My school named/called Nguyen Du school.

2. Where is it situated/ located?

-> It is located at Buon Ho Town.

3. When was it founded/ built?

-> It was founded/built many years ago.

4. What can be seen in the schoolyard?

-> We can see two big yards, a library,... and many other things.

5. What is grown in the school garden?

-> Flowers and trees are grown in the school garden.

6. How are the classrooms decorated?

-> The classrooms are decorated simply but beautiful.

7. Where are the teachers' motorbikes and students' bikes kept?

-> The teachers' motorbikes and studens' bikes are kept at backyard.

8. What is your school surrounded by?

-> It is surrounded by two other schools.

1. What is the school named/ called?
-> My school named/called Ham Duc school.
2. Where is it situated/ located?
-> It's located in the provincial Binh Thuan.
3. When was it founded/ built?
-> It was founded many years ago.
4. What can be seen in the schoolyard?
->We can see three big yard, four upstairs suites grade and many other things in schoolyard.
5. What is grown in the school garden?
Flowers ,grasses, trees are grown in the school garden.

6. How are the classrooms decorated?
-> The classroom are decorated not fussy but it's very lovely and beautiful.

7. Where are the teachers' motorbikes and students' bikes kept?
-> The teachers' motorbikes and students' bikes are kept at the park yard.

8. What is your school surrounded by?
-> My school surrounded by stone statues.