$y=\frac{\sqrt{x^2+x+1}+sinx}{e^x+1}$ Tính đạo hàm

1. Complete the dialogue with the sentences from the box. let's meet outside the cinema at Ó.45. what is it about? how about going to the cinema tonight? what's on? what kind of film is it? what are you doing this evening? who does it star? when is it on? Mai: (1) Jane: Nothing special. Why? Mai: (2) Jane: Good idea! (3)________________________________________ Mai: There is a Korean movie on at Grand Cinema. It’s My Little Bride. Jane: (4)._________________________________________________ Mai: It’s a romantic comedy. They say it’s very good and funny. Jane: (5) _________________________________________________ Mai: It’s about an arranged marriage between a female high school student and a male college student. Jane: That sounds good. (6) Mai: Moon Geun-young and Kim Rae-won. Jane: Oh, they’re two of my favourite actors. (7) _________________________________________ Mai: At 7 o’clock. Jane: Well, (8) Mai: OK. See you then! 8. Put the dialogue into the correct order. — Some are entertaining, but I find most of them stupid and childish. — I m sorry. I have some homework to do tonight. — I can’t stand western and horror. — So, what is your most favourite horror film? 1 What type of movies do you like? — The Ring.I m going to watch it again tonight. Do you want to watch it? -— That s an interesting combination. How about western movies? — Why don t you like horror? They’re entertaining, I think. — I’m fascinated by scary movies. — I like some sorts of movies, primarily drama and science fiction

III. Match the words to their definitions. 1. gripping a. funny and interesting 2. scary b. extremely good 3. violent c. causing strong feelings of sadness or sympathy 4. boring d. very surprising, and difficult to believe 5. moving e. not surprising 6. entertaining f. frightening 7. predictable g. using or involving force to hurt or attack 8. hilarious h, very exciting 9. shocking i. not interesting 10. incredible j. extremely funny IV. Complete the sentences with the correct adjectives above 1. The film was so ___________ that Mrs. Brown cried at the end 2. Romance move plots have become so __________________ that you can tell exactly what’s coming 3. My mother can’t stand war film because they’re too ___________________. 4. It was an action film, but it was so __________________ that I fell asleep in the middle 5. We laughed all the way through the film. It was so ______________________. 6. That thriller was so ______________. I couldn’t take my eyes off the screen for a second. 7. Sam always has nightmares after watching ____________ movies 8. The ending of The Sixth Sense was really _____________. It surprised me a lot. 9. The Meyerowitz Stories is getting some ______________ reviews and should be one to add your watch list. 10. Most historical movies are both educational and ____________

Một lớp học có 45 học sinh gồm ba loại :Gioi , Khá, Trung bình .Số học sinh trung bình chiếm 2/9 số học sinh cả lớp và 75 phần trăm số học sinh khá là 12 em .Tìm số học sinh giỏi của lớp

đường tròn(O;R) nội tiếp tam giác ABC.Gọi E và F là tiếp điểm trên cạnh AB,AC.Khi đó cung nhỏ EF có số đo là bao nhiêu? Giúp mình với ạ! Mình cảm ơn trước ạ

Large cities often have problems that small towns and rural areas do not have. Two of the biggest problems are heavy traffic and the pollution that cars create. Of course. Traffic problems and pollution are not only found in big cities. However, the higher populations and larger number of cars on the roads in cities can make the problems happen more often and with more noticeable effects. One of the most common traffic problems the large cities have is congestion. As the population of a city increases, so does the number of cars on the road. Cities cannot always improve the number and size of their roads and highways to keep up with the number of cars. The result is traffic congestion, or traffic jams. When traffic jams happen, cars that are stuck in the congestion continue to run their engines. This creates pollution and is a big problems. Pollution causes health problems for the people in cities and also hurts the environment. A. Match the words with their meanings. 1. rural a. being too crowded or too full 2. noticeable b. unable to move 3. congestion c. easy to see or recognize 4. traffic jam d. in the countryside, not in the city 5. stuck e. too many vehicles in one place prevents B. Choose the correct answers. 1. Where do traffic problems and pollution frequently happen? a. small towns b. rural areas c. big cities d. remote villages 2. According to the passage, what causes traffic congestion in big cities? a. A lot of city dwellers b. Too many cars on the roads c. Careless drivers d. Less traffic signs on the streets 3. The high number of cars is caused by_________ a. urban planning b. traffic congestion c. environmental pollution d. the population 4. The highway and road network is ________ of meeting the requirement of increasing number of vehicles. a. full b. aware c. incapable d. uncertain 5. Which of the followings is NOT true? 5. a. Only big cities have the problem of pollution. b. Traffic jams cause pollution c. Pollution is a major problem in big cities. d. Pollution causes health and environmental problems.

Vẽ 1 bức tranh về mẹ Vẽ nghiêm túc, không cóp mạng và đặc biệt là k quá cầu kì (lúc sao ra giấy mệt)

Giúp mình với .¡ Build the meaningful sentence with the cue. 22. She/be/only/student/get/good/job. 23. Iv be/ service/ for/ I/ be/ greatful. *Rewrite the following sentences, using the suggestions: 24. Which was the first country which won the World Cup at rugby? (using an infinitive phrase) 25. The land which stretches away to the left all belongs to Mrs. Thompson. (using a participle phrase) *Rewrite the sentence as given word in the beginning. 26. My bicycle has been stolen. I got it last week. → My bicycle 27. Her parents enjoyed that film very much. They don't often go to the cinema. Her parents

Hãy dung phương pháp hóa học phân biệt các lọ khí mất nhãn sau: a) Oxi,hidro,Nito b) Oxi,hidro,cacbon

$\lim_{n \to \infty} \frac{n^6+4n}{3n^6-3n^4+2n^2-1}$