nations where there is much cultural diversity can also sometimes be known as a..........

Giải giúp mình với ạ. Mình cảm ơn!!

Làm hộ mình 2 bài với mọi người, mình cần gấp

1.she was ...............for days after the accident (conscious) 2.animals/food/use/dung/fertilizing/fields./grow/the/their/for/their/and/Farmers/for/ .Farmers........................................................................................................................ 3.overturned/into/deep/dangerous/everyone/canoe/and/fell/the/The/water./and/ The canoe..................................................................................................................... 4.The panitings that were stolen from the museum haven'n been found yet (use present or past participle) The painting..................................................................................... 5.This is the first time she ........... rice paddies a. will see b.sees c.has been d.saw 6.Penicillin can cure many dangerous diseases Many................................................... 7.People speak English all over the world English....................................................

TIẾP NHA MN IX.Read the passage then do the tasks below. Hi! I am Nam. I’m twelve years old. I’m a student in grade 6, class 6A2. I live with my parents and my sister. We live in a small house in the country. This is my school. It is small and old but it is beautiful. In front of the school, there is a big yard. It is clean and there are many tall trees and beautiful flowers. In the afternoon, I often play soccer with my friends there. My school has fifteen classrooms and six hundred students. There are forty-three teachers in my school. They are good teachers. I love them and I love my school very much. a. Answer the questions. 1.Where does Nam live?  ………………………………………………………………………………………………. 2. Are there many tall trees and beautiful flowers in the school yard? …………………………………………………………….…………………………………. 3. How many teachers does his school have? ……………………………………………………………..…………………………………. b. Complete the sentences, using the information from the passage above. 4. ………………….…………………………….…………is small and old but it is beautiful. 5. In the afternoon, Nam often plays soccer with his friends in the ……..…………

TIẾP NHA MN IV. Fill in the gap with should/ shouldn’t/ must/ mustn’t : 1.I don’t think you ………………………eat so much chocolate. It’s bad for your health. 2.I think waiters………………………………try to be pleasant with customers. 3.If you feel sick, you ……………………………… stay at home. It’s better for you. 4.I ……………………………… get my hair cut. I don’t like long hair. 5.We ………………………… go home. My mother has told me to arrive at ten o’clock. 6.I ……………………………… study hard. I want to pass the exam. 7.You ……………………………… accept things from strangers! 8.You ……………………………… steal things from shops. 9.Children ……………………………… eat junk food every day. 10. There is a ''No turn left'' sign. You ………………………..turn left. V.Fill in each blank with ONE appropriate word. 1.On the first day of Tet, people often go to ………………………to pray for a good new year. 2.If you visit England, you can go see Buckingham ……………………………………..…….. 3.I think that good health is……………………………………………..important than money. 4.I’m just going to the…………………………………… to buy some medicines and bandage. 5.You should put ……………… on your skin to protect it from the harmful effects of the sun. 6.Titov island in Ha Long Bay was named …………… a Russian cosmonaut, GhermannTitov. 7.The Sahara is the third…………….……………………………………….desert in the world. 8.Minh’s father is a farmer. He works on the ……………………….………………………… 9.Mary and I would like to ………………………….……………. English speaking club. 10.Lan can’t reach the book on the shelf……………………………………………..she is short. VI. Write the correct form or tense of the verbs in brackets. 1.Vietnamese people …………………..……….. (celebrate) Lunar New Year every year. 2.This Tet, my family ……………………………(not buy) Chung cakes. We will make them. 3.We usually ………….….(stay) at home on holiday, but this holiday we …………. (travel) abroad. 4.You shouldn’t ……………….………………….(wear) white clothes on the first day of Tet. 5.People spend a few days ……….……………………………(clean) their houses before Tet. 6.Tet …………………….…………………………..(occur) in late January or early February. 7.Miss Helen (help)…………………… us as soon as she (finish)...................................that letter. 8.Phong loves ………………………………………………...(eat) traditional food during Tet. 9.You must …….…………………………………….……(take) a boat ride around the island. 10.After …..…… (get) up, children get dressed in new clothes and say wishes to their parents. VII. Use the given words to write the complete sentences. 1.Vietnamese people / often / clean / decorate / houses / Tet. ………………………………………………………………………………………………… 2.Angel Falls / Venezuela / high / waterfall / the world. ………………………………………………………………………………………………… 3.It / very / interesting / take / boat trip / the Perfume River. ………………………………………………………………………………………………… 4.Which / dry / Sahara Desert / or / Atacama Desert? ………………………………………………………………………………………………… 5.Ha Noi / capital / Viet Nam. It / history / more than 1,000 years. ………………………………………………………………………………………….……… 6.Eat / and / talk / friends / be / most common ways / relax / recess / many countries. ………………………………………………………………………………………………… 7.Could / tell / how / get / police station / please? ………………………………………………………………………………………………… 8.How much / cost / mail / letter / USA? ………………………………………………………………………………………………… 9.What time / Mai / usually / go / school ? ………………………………………………………………………………………………… 10. This exercise / not / so / difficult / that one. ………………………………………………………………………………………………… VIII. Complete the second sentence so that it means the same as the first one. 1.Shall we go to the Japanese Covered Bridge first? Let’s …………………………….…………………………………………..…….…………! 2.No one in the office is cleverer than Mr. Edward. Mr. Edward ………………………………………………………………………..…..……. 3.Travelling abroad for a holiday is much more expensive than travelling in your country. Travelling in your country………………………………………………….………………… 4.She goes to work at eight forty-five. She goes to work at fifteen ………………………..……………….……………..……….. 5.Would you mind telling me the way to the National Museum? Can………………………….………………………………………………………, please? 6.Vietnamese students have fewer vacations than American ones. American students ……………………………….………………..…………..……………… 7.It’s against the rules to use your mobile phone in class. You……………………………………………………………..…………………..…………. 8.We have a two - month summer vacation. Our summer vacation lasts……………………………….………………………………...… 9.It’s a good idea to listen to the weather forecast before going camping. You ……………………………………………..……………………………………………. 10. Nam isn’t so good at English as Minh. Minh ……………………………..than Nam.

Lãi suất tiết kiệm là 0,4% một tháng. Một người gửi 50 000 000 đồng. Sau một tháng tổng tiền vốn và tiền lãi là:

a, Chứng tỏ rằng: 7^20+49^11+343^7 chia hết cho 57 b, Tìm số nguyên n lớn nhất sao cho n^150<5^225

Mọi người giúp mk gấp với toàn trắc nghiệm thôi 1.My father had gone home before we arrived. A: After my father arrived, we went home. B: After my father had gone home, we arrived. C: After my father had gone home, we arrive. D: After my father had gone home, we had arrived 5.Mark the letter A, B, C or D to indicate the correct answer to each of the following questions. He’s so brilliant and he can do anything. He is ______. A: out of this world B: it’s over the moon C: once in a blue D: the sky’s the limit 6.If there ______ so many new words, it would be easier to master English. A: aren’t B: are C: were D: weren’t 7.The children couldn"t go swimming because the sea was too rough. A: The children couldn’t go swimming because of the sea rough B: The children couldn’t go swimming due of the rough sea. C: The children couldn’t go swimming because of the rough sea. D: The children couldn’t go swim because of the rough sea. 8.I used a credit card to buy a computer game. The game is called ‘Mars Mystique Mission’. A: I used a credit card to buy the computer game is called “Mars Mystique Mission”. B: I used a credit card to buy the computer game which called “Mars Mystique Mission”. C: I used a credit card to buy the computer game which is called “Mars Mystique Mission”. D: I used a credit card to buy the computer game what is called “Mars Mystique Mission”. 11.Mark the letter A, B, C or D to indicate the most suitable response to complete each of the following exchanges. “Can you see anything from there? - “______” A: A small red house, a garden and a lake. B: Wow, it’s beautiful! C: No, thanks. D: You look so excited! 12.Mark the letter A, B, C or D to indicate the correct answer to each of the following questions. The picture reminds him of the time______ he studied in New York. A: when B: where C: which D: why 14.Christer Fuglesang said he enjoyed floating around in the ______ environment. A: homesick B: heavy C: quiet D: weightless 16.I think you should spend more time improving your pronunciation. A: If I were you, I would spend more time improving my pronunciation. B: If I am you, I would spend more time improving my pronunciation. C: If I am you, I will spend more time improving my pronunciation. D: If I were you, I will spend more time improving my pronunciation. 17.Mark the letter A, B, C or D to indicate the correct answer to each of the following questions. Can you read and write well in English but cannot speak ______? A: fluently B: fluency C: fluent D: more fluent 19The plants may develop differently. The plants live on that island. A: The plants live on that island may develop differently. B: The plants that lives on that island may develop differently. C: The plants that live on that island may develop differently. D: The plants which lives on that island may develop differently. 21.Mark the letter A, B, C or D to indicate the correct answer to each of the following questions. He is not exactly rich, but he certainly earns enough to______. A: get down B: get on C: get up D: get by 24.Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions. Quang plays the piano very well. He lives next door. A: Quang, whom lives next door plays the piano very well. B: Quang, whose lives next door plays the piano very well. C: Quang, that lives next door, plays the piano very well. D: Quang, who lives next door, plays the piano very well. 26.Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions. The book is interesting. It was bought last night. A: The book is interesting which was bought last night. B: The book which was bought last night is interested. C: The book which bought last night is interestingly. D: The book which was bought last night is interesting. 27.Mark the letter A, B, C or D to indicate the correct answer to each of the following questions. The launch of the Space Shuttle Endeavour______broadcast live this morning. A: was being B: was C: is D: had been 30.I’m so excited. I’m going on vacation with my family tomorrow. A: I’m not excited that I’m going on vacation with my family tomorrow. B: I’m excited that I’m going on vacation with my family tomorrow. C: I’m so excited so I can go on vacation with my family tomorrow. D: I’m so excited because I can’t go on vacation with my family tomorrow. 32.“Let’s have some coffee.” - “______” A: Sorry. B: Yes, spot on! C: Once in a blue moon. D: I’d love to but I may be awake at night 38This is the bicycle ______ I bought yesterday. A: who B: whom C: where D: X 39.As soon as the spacecraft______into space, the crew started to observe the sun. A: had travelled B: travelled C: was travelling D: has travelled

1. Tìm m để PT có 2 nghiệm âm. 2. Tìm m để 2 nghiệm trái dấu. 3. Tìm m để bất Pt f(x) >0 vô nghiệm