Giải bất phương trình sau: 7 √tan x(sin ²+3cos ²x) ≤6 $\sqrt[4]{3}$ (sin ²x+4cos ²x)

I. Complete the second sentence so that it has a similar meaning to the first one. .(1.0pts) 1. I always go to school on time. -> I am.…............................................................................................... 2. Lien doesn’t like doing sport very much. -> Lien isn’t very………………………………............................................. 3. Minh spends thirty minutes a day to practicing the piano. -> Practicing .................................................................................................... 4. My sister is more hard-working than me. -> I don’t …………………………………………………………………… 5.I was late for school this morning. My sister was, too. -> Both………………………………………………………………………. 6.The houses are small so they are cheap ->The smaller .......................................................................................................... 7.It’s not good to spend a lot of time watching TV. ->You …………………………………………………………………………. 8.Turn right at the first turning. ->Take ……………………………………………………………………………. 9.I can’t go to your birthday party tonight because I have a lot of homework to do. ->I have a lot………………………………………………………………… 10. 10. Some one gave Mary this present an hour ago. Mary…………………………………………………………… II.Rewrite each of the following sentence, using the word given, keeping its meaning unchanged .(0.5pt)

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.…… ………………

30,6 × x - 7,45 × x = 89,95 + 16,54

JUST FOR LAUGHS If you are a comedy lover, you will probably want to join Just for Laugh Festival. It was (1)………in 1983 by Gilbert Rozon and now becomes the (2)…….international comedy festival in the world. The festival takes (3)…….each July in Montreal, Quebec, Canada. If you have the chance to join the festival, you will laugh until you cry. You can see some celebrity comedians and travel around one of the (3)………beautiful cities in the world. During the day, street (5)…….. delight people. At night, the city comes alive with comedy (6)……..throughout the city. The Just for Laughs festival also has the Comedia comedy film festival component. This is a (7)…….festival and it attracts many visitors from all over the world each year. 1. A.found B. founded C. find D. finded 2. A. large B. larger C. more larger D. largest 3. A. location B. place C. position D. happen 4. A. best B. more C. most D. much 5. A. performers B. vendors C. beggars D. lights 6. A. television B. events C. comedians D. actors 7. A. fascinated B. fascinating C. bored D. boring

I use english/ chat/ them / many things

Giúp mik với mik đang cần gấp, giúp với ah!

Bài 2: Cho tam giác ABC có AB=4cm, AC=5cm, BC=6cm. Trên tia đối của tia AB lấy điểm D sao cho AD=AC. a) Chứng minh: ABC đồng dạng CBD b) Tính độ dài đoạn thẳng CD. c) Chứng minh: góc BAC=2 góc ACB

Nối 2 ô với nhau để được cặp từ trái nghĩa: ỉu xìu;suồng sã;kiêu căng;khiêm tốn;khỏe mạnh;lễ phép;nhanh nhẹn; thận trọng;xấc xược;lạc quan;xa cách; bi quan;chậm chạp;ốm yếu;thân mật;liều lĩnh;lịch sự;phấn chấn;hạnh phúc;bất hạnh

1 The distance from Sydney to Madrid is_______________than the distance from New York to London. (far) 2 David's kitchen is very dirty. Mine is much ____________________ (clean) 3 That film was terrible. In fact, it's ____________________film I've ever seen. (bad) 4 Generally speaking, the coffee in Spain and Italy is _____________than the coffee you get in Britain. (good) 5 Riding a motorbike is ____________________than driving a car. (dangerous) 6 Clare's apartment is just as ____________________as Michael's. (big) 7 One night at The Ritz is ____________________than a week in The Holiday Inn. (expensive) 8 Rolls Royce make some of ____________________cars in the world. (luxurious) 9 If you buy ____________________, you won't get the best. (cheap) 10 The aquarium in Valencia is ____________________in Europe. (big) 11 Sara’s ____________________than Carmela. (tall) 12 Rapun has ____________________taste than Marta. (bad) 13 Physics exams are as ____________________as math exams. (difficult) 14 King Kong was the ____________________monkey ever. (big) 15 I think English is ____________________than German. (easy)