... A={2,3,4,5,6 ,7, 8,9} có thể lấy ra 7 8C 8= tập con có 7 phần tử không có 0 và 1. Hợp mỗi tập con này với {0,1} ta có 8 tập con có 9 phần tử trong đó có 0 và 1. Từ mỗi tập hợp này có thể tạo ... rồi về lại X bằng những con đường khác nhau? Kết quả: (5X4)X(3X4)=2401 87) Có bao nhiêu đường chéo trong hình thập giác lồi? Kết quả: 35188) Vẽ 5 đường thẳng song song trên một tờ giấy. Sau ... TỔ HP 152) Cho 7 chữ số :1, 2, 3, 4, 5, 6, 7. a) Từ 7 chữ số trên, có thể thành lập được bao nhiêu số tự nhiên, mỗi số gồm 5 chữ số khác nhau? Kết quả:5 7 A 2520= b) Trong các số nói ở...
... vào một cái bể không có nước trong 4 giờ 48 phút sẽđầy bể. Nếu mở vòi 1 trong 3 giờ và vòi 2 trong 4 giờ thì được 34 bể nước. Hỏi mỗivòi chảy một mình thì trong bao lâu mới đầy bể ? Bài ... chu vi của mảnh đất ấy.Bài 7: Hai xe ô tô khởi hành cùng một lúc từ thành phố A để đi đến thành phố B. Haithành phố cách nhau 312km. Xe thứ nhất mỗi giờ chạy nhanh hơn xe thứ hai 4kmnên đến ... thứ nhất là 5 km/h. Hai xegặp nhau tại một ga cách Hà Nội 300 km. Tìm vận tốc của mỗi xe, giả thi t rằngquãng đường sắt Huế - Hà Nội dài 645 km.Bài 10: Một lớp học có 40 học sinh được sắp...
... second paragraph refers to __________ .3 Lesson plan of 10 grade – Extensive lesson – Ha Thi Phuong Lan – Co Loa High school S + HAD + V3/ED S + WOULD/COULD + HAVE + V3/EDUNIT 11: NATIONAL ... season B. increase C. defeat D. wear4) A. ancient B. national C. complicatedD. participate5) A. home B. protect C. condition D. recognize6) A. effect B. extinct C. kilometer D. destruction 7) ... abondaned animals4 Lesson plan of 10 grade – Extensive lesson – Ha Thi Phuong Lan – Co Loa High schoolUNIT 11: NATIONAL PARKSI. VOCABULARYA. READING (pages 112-114)abandoned (adj) bò ruoàng...
... century, it two or three months to cross North America by covered wagon.a. took b. had taken c. had taken d.was taking32. In the past the trip very rough and often dangeruos, but things a great deal ... When Carol last night, I my favorite show on television.a. was calling/watched b. called/have watchedc. called/was watching d. had called/watched35.By this time next summer, you your studies.a.completes ... cooked b. is reading/is cookingc.has read/was cooking d. read/will be cooking 37. Last night at this time, they the same thing. She and he the newspaper.a. are doing/is cooking/is reading b. were...
... his work since 7 o’clock.a. Did b. has done c. had done d. would do6.I about him when suddenly he came in.a. talk b. talked c. am talking d. was talking 7. Please don’t touch anything before ... keeping c.did want d. keeps 27. I complete silence now while I try this experiment.a. am wanting b. want c. had wanted d. have wanted28.The students by Mrs.Monty. However, this week they by Mr.Tanzer.a. ... the test d. After I had taken the test16.No sooner the office than the phone ranga. was he leaving b. he was leaving c. he had left d. had he left 17. How many times there so far? A few times.a....
... 2Câu 1:Chọn một từ khác với các từ còn lại: 1. a.mention b.consist c.ínpiration d. déign 2. a.unique b.add c.paint d.ưear 3. a.cotton b.jeans c. velvet d.silk 4. a. bore b. worn c. known ... câu:1.Some of these traditional dresses have been……… MODERN2.Many Vietnamese women continue to wear the uniqueand…………… dresses FASHION.3………………jeans are the 1960s’ ashion. EMBROIDERY.4. Jeans ... shortest. FREQUENCY.Câu 3:in since hoc for vao chỗ trống sao cho phù hợp:1.I’ve hads this job ……………………….a month.2.He’s known hre ………………………… April.3. She ‘s been ill ……………………… years.4.I haven’t...
... c. at d. on 21.She comes from …………beacause she is wearing a kimono.a. Viet Nam b. USA c. Japan d. India 22.This exercise must ………… carefully.a. am done b. is done c. are done d. be done Trang ... pm and 7ama. on b. in c. between d. at25.We …………to Ha Noi for our holiday last week.a. went b. go c. are going d. gone26.I`m interested ………… reading book.a. on b. in c. for d. of 27. She wishes ... yesterday.a. don`t go b. don`t gone c. didn`t go d. didn`t gone39.They…………they could have a car.a.wished b. wishs c. wishes d. wish40.She loves to watch the stars…………night.a. on b. at c. in...
... Information (2)………more quickly than a person. Second, computers can work with (3)……………information at the sametime. Third, they can (4)………information for a long time. They don’t forget things ... months before B.for many months C.since a long time. D.for many months ago 77 .The teacher got angry because Jack went out of the class without getting her…………… A.persuasion B.situation C.condition ... been kown.66.Thien Mu…………….is on the left bank of the Huong river, 6 kilometres from Hue. A. church B.school C.pagoda D.site 67. When the school year come to……… we’ll go on an excursion. A.a half...
... C. resources D. power14: .A. economical B. economically C. economic D. economicaly 15: .A.to B. for C. of D. on 16: .A. conserve B. to conserve C. conserved D. conservingVII / Fill in the blanks ... developing tons of (4) ………………. Into the sea each year. Thirdly, there are oil spills from ships. A ship has an accident and oil leaks from the vessel. This not only3 BÀI ĐỌC ÔNTIẾNGANH 9 THAM ... when they use their hands.*Questions1. What does the air pollution cause?2. Who has proved that air pollution causes lung diseases?3. Is there air pollution in the city? Why or why not?4....
... : Nguyen Huu Son AGE : 14 GRADE : 7 SCHOOL : Ngo Si Lien Secondary School HOME ADDRESS : 1 37 Ngo Quyen Street Foreigner : Good evening . What’s your name? Son : My name is Son. Foreigner ... friends in her new school. 6/ …………………………… 7. What are your telephone number, Phuong ? 7/ …………………………… 8. Mai will goes to Hai Phong tomorrow afternoon. 8/ …………………………… 9. Who are you and your ... …………………(move)9 to London in 1 970 . they now ………………(live)10 in a small house in the center of London. II. Em hãy điền một từ thích hợp vào mỗi chỗ trống để hoàn thành đoạn văn sau. One of the first...
... (talk)_______________ to his pen pal on the phone at the moment. 16. They (not contact)_______________ to each other for a long time. 17. Nothing (be)______________ done since I moved here. 18. I ... manager of Stevenson Hotel. Interests: an ambitious businesswoman. Task 4. Exhibition. Stick some finished paper on the board. English 10 Period 7 LESSON 7: THE PAST SIMPLE, ... there? How long? What to bring? English 10 Period 12 LESSON 12: WRITING (A confirmation letter) Task 1. Work in pairs. How do you respond to these situations? 1. Could...
... argumentA. attention B. notion C. intention D. attraction 7. Buckingham Palace is a major tourist ………… in LondonA. attract B. attraction C. attractive D. attractiveness8. Some people think it is ... equality 57. Vietnam became the seventh ……… of the Association of South East Asian Nations in A. opponent B. sponsor C. member D. colleague58. ASEAN has a big population and a region of ……… ... Pollution B. Forestation C. Population D. ExploitationCâu 19: She was no longer able to distinguish between …………… and reality.A. image B. imagination C. imagine D. imaginaryCâu 20: The Gibbon,...
... I play b. yes, I don’t c .yes , I do . 6. I go to school ______. a . at half past six b. at six thirty c. a & b correct. 7. The school is____the country . a . in b . on c . at .8. ____ ... ……………………………………………………………………………………………Mai : Do you have Geography on Monday ?You : ……………………………………………………………………………………………XII. Read and answre the questions Hello. My name is Nga. I’m eleven years old. I’m ... evening she (watch) 9 ………… television from 7 o’clock to 8 o’clock. She (read) 10 ………… books at 9 o’clock and goes to bed at 10 o’clock.* Answer the questions: ( 1,5 ms ) 1. What time does...
... Sawyer bores me. I think he is a person.A. boring B. bored C. bore D. being bored21. I don’t understand these directions. I’m .A. confuse B. confusing C. to confuse D. confused22. It’s stuffy ... run because it was getting darker.A. to continue B. to continuing C. continuing D. continue 17. How many are there in the competition?A. groups B. contests C. winners D. teams18. These houses ... listening D. to listen 7. How the fire ?A. do/ make B. do/ made C. is/ make D. is/ made8. Is there you want me to do while you’re out?A. anything B. something C. any things D. some things9. I was...