a,√(2x+3) ²=4 b, √9x-5 √x=6-4√x giúp em với ạ mai em kt một tiết

Hãy nêu một số việc làm thể hiện tình hữu nghị với bạn bè và người nước ngoài trong cuộc sống hằng ngày p/s: ko chép mạng

Trả lời giúp e vs ạk Name : …………………………. THE FIRST FORTY-FIVE MINUTE TEST Class : Subject : English A.Phonetic.(1 marks) Write 2 words with each letters as examples. 1./ɜː/ : hurt ;………........................................ 2./ə/ : common ;…………................................ 3./f/ : fat ;.......................................................... 4./v/ : vase ;…………….................................... B. VOCABULARY AND STRUCTURES : (3,5POINTS) I. Phonetics : Odd one out (0,75point) 1. A . calorie B. musical C. cinema D. community 2. A. again B. allergy C. organization D. gardening 3. A.burn B. singer C. away D. colour II. Use the correct word or phrase for each description , begin with the given letter: (0,75point) Description Word / Phrase 1. A thing you like doing and you spend a lot of time on it. H…………………… 2. Give things to help people in need D…………………… 3. People living in an area C…………………… II. Complete the sentences with the words given : (1point) and because but or 1.Don’t read in bed ………………..….it is harmful for your eyes. 2. The Japanese eat a lot of rice ,………..…they eat lots of fish ,too 3. I want to eat ice-cream ,…………..….I have a sore throat 4. You should eat less fast food ,…………..…….you can put on weight . III. Supply the correct tenses of the verbs in brackets : (1point) 1. My brother( collect)…………………………… stamp when he was a child . 2. I enjoy fishing because it (be )……..…………interesting. 3. …………………..you ( finish)…………………your homework yet ? 4. Don’t worry we (go ) …………………..swimming with you tomorrow . C. READING : (2,5POINTS) I. Match the health problems with its tip : (1,5 points) Health problem Tip Answers 1. I’m so tired a. Spend less time playing computer games. 1……. 2. I have spots b. Wash your hands regularly 2…… 3. My eyes are dry c. Keep your body warm and eat a lot of garlic 3……. 4. I feel weak and sick d. Go to bed and rest 4…… 5. It’s easy to get flu . What should I do? e. Eat more and get more exercises too 5….. 6. I want to stay in shape. What will I do? f. Eat less junk food , and exercise more 6……. II. Read the passage and choose the best option (A, B or C):(1point) Each country has many people who voluntarily take care of others. Many students in the USA often spend many hours as volunteers in hospitals, orphanages or nursing homes. They read books to the people in these places. Sometimes the students just visit them , play games with them or listen to their problems . For boys who no longer have fathers, there is a voluntary organization called Big Brothers. Students take these boys to baseball games and help them to get to know things that boys usually learn from their fathers . Some other students take part in helping disabled children . They give care and comfort to them to help them to overcome their difficulties. During summer vacations , they volunteer to work in remote or mountainous areas to provide education for children Volunteers believe that some of the happiest people in the word are those who help to bring happiness to others. 1.What do volunteers do for the people in hospitals , orphanages and nursing homes? A. do their shopping B. read books , play games or listen to their problems C. clean up their houses 2. Big Brothers is A. the name of a club B. a home for children C. an organization for boys who no longer have fathers. 3. Volunteer believe that A. they are unhappy B. the happiest people are those who are young and healthy C. bringing hapiness to others makes them the happiest people 4. Which sentence is not True A. Volunteers don’t provide classes for children B. Volunteers help disabled children to overcome their difficulities. C. Volunteers help the elderly in nursing homes. D. WRITING : (3POINTS) I. Rewrite the sentences, so that their meaning stays the same ,using the beginning (1point) 1. Her hobby is raising money for the poor → She enjoys…………………………………………………………………………………….. 2. Because he was tired , he went to bed early → He ……………………………….., so ………………………………………… II. Write full sentences using the suggested words and phrases given : (1point ) 1. They / visited / Ha Long Bay / many times . ……………………………………………………………………………………….. 2. My brother / not like / ice-skating / because he thinks / it/ dangerous . ………………………………………………………………………………….. III.Writing (1pt) :Rearrange the words to form the sentences about healthy living. 1. apple/keeps/An/day/doctor/ a/ the/ away……………… …..………………. 2. sleep/ are/ the/ cures/ A/ good/ and/ best/ laugh/ a/ long.………… ……… ………… 3.eat/ not/ live/ Eat/ to / live/ to/,/…………………………………………. 4.thirds/ health/ Hygiene/ two/ of/ is.…………………………………… ………………. 5.good/ eat/ cheerfully/ To/ health/ :/ lightly/ ensure/and/ laugh.…… ………………

Tổng hai số lẻ liên tiếp bằng 180.tìm hai số đó

"Cơ sở kinh tế" định nghĩa như thế nào ạ?

Một tấm bìa hình chữ nhật có chiều dài 1/2m chiều rộng 1/3m chia tấm bìa đó thành 3 phần bằng nhau tính diện tích của mỗi phần

Viết thêm số 9 vào bên phải một số tự nhiên ta được số mới lớn hơn số cũ 279 đơn vị. Tìm số tự nhiên đó?

A: ( 6x³ – 19x² + 23x–12) ÷ (2x –3)

tích của hai số tự nhiên bằng 42 tìm mỗi số

Thả rơi một vật từ độ cao h xuống đất. Biết trong giây cuối cùng vật rơi được quãng đường bằng 2/3 quãng đường vật rơi trong 2s trước đó. Tính độ cao h.