Rstu là gì mấy pác giải thích với

$\frac{x-1}{x}$ + $\frac{1}{x+1}$ = $\frac{2x-1}{2x^{2}+2}$

IV. Read the text and then choose the best answer A, B, C or D. Yesterday, on the way home from school, I saw an accident. A boy was run over by a taxi when he was riding his bicycle. The boy’s leg was broken and it was bleeding badly. Someone there tried to stop the bleeding. They put pressure on it and held it tight. A man used his mobile phone to call the emergency service. Some minutes later, an ambulance arrived and sent the boy to the hospital. Two policemen came to the scene immediately. Some people told the police that the taxi driver was driving at a very high speed when the accident happened. Some others began talking about the traffic accidents these days and blamed the increasing number of accidents on the roads for careless driving and drunk drivers. 1. What did the writer see yesterday? A. An accident B. A fire C. A fighting D. A crash 2. The accident happened between a taxi and . A. a bus B. a bicycle C. a car D. motorbike 3. The boy was sent to the hospital by . A. a police B. a car C. a passenger D. an ambulance 4. What part of his body was hurt? – His . A. arm B. head C. leg D. shoulder 5. How was the driver driving when the accident happened? – Very . A. fast B.slowly C. carefully D. well V. Put the means of transport into the correct group. VI. Put the words and phrases in the right order to make meaningful sentences. 1. takes/ art/ half/ gallery/ only/ hour/to/ an/ the/ It/ to/ get. 2. mine/ book/ Her/ from/ is/ different. 3. playing/ young/brother/the/ very/piano/My/when/was/enjoyed/he. 4. are/ I/ as/as/not/ thought/ These/ expensive/clothes. 5. new/ is/ next/ A/ to be/ going/ school/ built/ year/ here. VII. Rewrite the following sentences in the way that their original meanings do not change. 1. Van Cao composed Viet Nam's anthem Tien Quan Ca. → Viet Nam’s anthem Tien Quan Ca 2. Be careful or you’ll hurt yourself. → If you are 3. What is the price of the bicycle? → How much ? 4. The market does not have any carrots → There 5. You’re the best guitarist in the school. → No one

S= 1+2+2^2+2^3+2^4+....+2^64 ; CTR: S+1chia hết cho 2

I. Find the word which has a different sound in underlined part. 1. A. came B.lake C. station D. start 2. A. ancient B. radio C. village D. nature 3. A. break B. head C. bread D. heavy 4. A. wait B. said C. maid D. sail 5. A. train B. wait C. said D. paid 6. A. sailing B. railway C. brainstorm D. captain 7. A. safety B. chat C. taste D. waste 8. A. centre B. let C. belt D. security 9. A. safety B. traffic C. station D. plane II. Choose the correct answer by circling A, B, C or D. 1. Linda used to morning exercise when she got up early. A. did B. does C. doing D. do 2. My mum the bus to work every day, but I cycle. A. catches B. drives C. goes D. runs 3. You should look right and left when you go the road. A. down B. across C. up D. along 4. Bus is the main public ……………….in Viet Nam. A.travel B. tricycle C. transport D. vehicle 5. The play was so boring. , An saw it from beginning to end. A. Therefore B. Despite C. However D. Although 7. - “Do you like seeing a film?” - “ ” A. No, I don’t like it at all B. Sure. What film shall we see? C. Who is in it? D. I’m sorry, I can’t. 8. being frightened by the images, Lan still liked the film so much. A. In spite B. Despite C. Although D. Nevertheless 9. is La Tomatina celebrated? - Every August. A. Where B. Why C. When D. Which 10. My father liked the of that singer. A. perform B. performer C. performance D. performing 11. Does your bike ever down on the way to school? A. break B. take C. do D.turn 12. I go on foot when I was in primary school. A. used to B. break C. can D. may 13. Give a before you turn left or right. A. sign B. turn C. sound D. signal 14. A lot of dancers go to Rio de Janeiro to the Carnival. A. attend B. join C. perform D. appear 15. the film was gripping, Tom slept from beginning to end. A. Therefore B. Despite C. However D. Although III. Read the text and fill in the blanks with correct words. Use the words in the box. The streets are crowded (1) the traffic. Taxis are bringing tiredpeople (2) the airport and the train stations to the hotels. They hope to (3) a few hours before their busy day in the big city. Trucks (4) bringing fresh fruits and vegetables into the city. Ships are bringing food (5) fuel to the harbour. By seven o’clock (6) the morning, the streets are filled again with people. Millions of people (7) in the big city, and millions of people who work in the big city live in the suburbs, the commuters, are hurrying to get to (8) offices. Everyone is in a hurry. Some stop only to drink a cup of coffee. Others stop to buy the morning paper (9) to have breakfast. The noise of traffic (10) louder. The policemen blow their whistles to stop the traffic or to hurry it along.

Vẽ cho moon 1 ly trà sữa nha mn

để giữ gìn và phát huy truyền thống dân tộc thế hệ trẻ hiện nay chúng ta cần phải làm gì

Sao lần nào kết quả đua top cx ko có anh puvi thía mọi người Vẽ anime bất ngờ

hiệu sau là hợp số hay nguyên tố vì sao.7.9 .11-2.3.7

Câu 2: Phân tử một hợp chất gồm nguyên từ nguyên tố Y liên kết với 2 nguyên từ ở. Nguyên tố O chiếm 50% về khối lượng của hợp chất, a) Tinh nguyên tử khôi , cho biết tên , KHHH số e trong nguyên tử của nguyên tô Y. b) Tỉnh phân tử khối của hợp chât. Phân tử hợp chất nặng bằng nguyên tử của nguyên tô nào?