When struck a match burning matchstick.

LÀ SAO

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Hok tốt

NHTP

1B

2.D

3.A

4.C

5.A

6.C

7.D

8.C

9.A

10.B

1.Task:

I am a student at high school. My school is very big and more beautiful. At school, there are many students and teachers. The teachers are very nice and ardor.They give me many many books and lessons. Everdday, I go to scool and meet my friends. We try to learn to become good student. We enjoy reading, playing, learning, helping together. In the scholl, I study so much, math, science, History, English , Vietnamese,...I like English, Chemistry, math. I can sleep when I study. I try alot, if I lazy, my teachers are sad. I love all the day for school and love my teachers so much. Because not people don't love their school. I love it and I know It's love us too. I love my school, my friends, my teachers very much. I can not forget this beloved high school. I will try study to worthy my teachers, my school.

Or ...

I study in Luong The Vinh Secondary school which is one of the best schools of Phu Yen Province. It has a stone building. It has all facilities a good school should have-well furnished classrooms, laboratories, library and playground.

As we enter the school, there is a playground to our left and a small garden to our right. When we enter the building, the Principal’s room and the office room are to the left and the staff room to the right side. These are well furnished. There are thirty four classrooms. Our labs are well equipped. Our library has books almost on all subjects. Our Librarian is also very helpful.

Our school, like all schools, has a prescribed uniform. We have to wear white or cream cotton shirts, light-blue trousers, black shoes and white socks. Girls have to wear white blouses and light-blue skirts in primary and middle classes and white shirts and light-grey skirts in higher classes. They have to tie white ribbon also.

In our school special attention is paid to behavior, cleanliness and punctuality. The most well behaved, neat and punctual student is awarded a prize at the Annual Day function.

Our Principle is a strict disciplinarian. He takes the help of P. T. Teachers too. If any one violates the rules, and is not in uniform, or makes mischief, he gets punished. But he is fair and loving. He tries to find out the reason and guides us.

Our teachers are also quite strict. They teach us with great care, check our note-books, help us when we need but if we are inattentive and don’t work properly, then we are punished.

I like my school very much and I am proud that I belong to it. I shall never forget it.

Bài 2 hay hơn bài 1 nhưng nếu bạn không có thời gian thì nên chép bài 1 còn bài 2 dùng để tham khảo thôi.

Bạn hỏi toán sao lại đăng vào mục t.anh

ta có :

\(\dfrac{bz-cy}{a}=\dfrac{cx-az}{b}=\dfrac{ay-bx}{c}=\dfrac{bxz-cyz}{ax}=\dfrac{cxy-azy}{by}=\dfrac{ayz-bxz}{cz}\)áp dụng tính chất dãy tỉ số bằng nhau, ta có:\(\dfrac{bzx-cyx}{ax}=\dfrac{cxy-azy}{by}=\dfrac{ayz-bxz}{cz}=\dfrac{bzx-cyx+cxy-azy+ayz-bxz}{ax+by+cz}=0\)

suy ra : bz-cy=0 \(\Rightarrow bz=cy\Rightarrow\dfrac{y}{b}=\dfrac{z}{c}\left(1\right)\)

cx-az=0\(\Rightarrow cx=az\Rightarrow\dfrac{x}{a}=\dfrac{z}{c}\left(2\right)\)

ay-bx=0\(\Rightarrow ay=bx\Rightarrow\dfrac{x}{a}=\dfrac{y}{b}\left(3\right)\)

từ (1), (2) và (3) suy ra: \(\dfrac{x}{a}=\dfrac{y}{b}=\dfrac{z}{c}\)

Ta có: \(\dfrac{bz-cy}{a}\)= \(\dfrac{cx-az}{b}\)=\(\dfrac{ay-bx}{c}\)
\(\Rightarrow\dfrac{abz-acy}{a^2}=\dfrac{bcx-baz}{b^2}=\dfrac{cay-cbx}{c^2}\)(nhân cả tử và mẫu với mẫu của phân số)
\(=\dfrac{abz-acy+bcx-baz+cay-cbx}{a^2+b^2+c^2}\) (t/c của dãy tỉ số bằng nhau)
(đến đây ta thấy tử = 0 vì chúng là các số đối nhau, abz-baz; acy-cay; bcx-cbx)
\(=\dfrac{0}{a^2+b^2+c^2}\)
\(\Rightarrow\)\(\dfrac{bz-cy}{a}\)= 0 (mà để là một phân số thì mẫu phải khác 0) suy ra a khác 0 vậy bz-cy=0 \(\Rightarrow bz=cy\Rightarrow\dfrac{z}{c}=\dfrac{y}{b}\)(1)
tương tự \(\dfrac{cx-az}{b}\)=0 suy ra \(\dfrac{x}{a}=\dfrac{z}{c}\) từ 1 và 2 suy ra điều phải c/m\(\)

Có bạn nào hiểu đề bài này làm giúp mình với ?

Shall we go to the movies tonight ?

Why don't we go to the movies tonight?

Our summer vacation often lasts for almost 3 months.

We often have a three-month summer vacation.

I like to collect stamps very much

I am interested in collecting stamps.

Bài này thuộc dạng viết lại câu mới không đổi nghĩa.

1 - Shall we go to the movies tonight?

-> Why don't we go to the movies tonight?

Giải thích: Câu này thuộc dạng câu mời, cậu dự định. Có các kiểu cấu trúc sau:

a - Shall S + V + ...?

b - Will + S + V +...?

c - Why don't/ doesn't + S + V +...?

d - How/ What about + V_ing +...?

e - Let's + V.

2 - Our summer vacation often lasts for almost 3 months.

-> We often have a three - month summer vacation.

Giải thích: Câu này chuyển thành có một kỳ nghỉ hè ba tháng. Đấy chính là danh từ làm chức năng cụm tính từ. Nếu muốn hiểu rõ hơn thì bạn nhờ thầy cô giảng lại nhé.

3 - I like to collect stamps very much.

-> I am interested in collecting stamps.

Giải thích: Vì Be interested in + V_ing = (to) like + to V.

Đề bài: Change the following sentences from active into passive form.

(Đổi các câu dưới đây từ thể chủ động sang thể bị động)

1 – Somebody has taken my briefcase.

-> My briefcase has been taken.

2 – The teacher returned our written work to us.

-> Our written work was returned to us by the teacher.

3 – She finished her report yesterday afternoon.

-> Her report was finished yesterday afternoon.

4 – The mad dog bit the little boy.

->The little boy was bitten by the mad dog.

5 – The police have arrested five suspects.

-> Five suspects have been arrested by the police.

6 – The doctor ordered him to take a long rest.

-> He was ordered to take a long rest by the doctor.

7 – Lightning struck the house.

-> The house was struck by lightning.

8 – They didn’t allow Tom to take these books home.

-> – Tom wasn’t allowed to take these books home.

9 – The teacher won’t correct exercises tomorrow.

-> Exercises won’t be corrected by the teacher tomorrow.

10 – Marry has operated on Tom since 10 o’clock.

-> Tom has been operated by Mary since 10 o’clock.

Duyên xin phép được đối lại

Chào ****Duyên nha

hahahahah

3. Their grandmother told them this story when they visited her last week.

--> They were told this story by their grandmother when they visited her last week.

They were told this story by their grandmother when they visited her last week