Một chất điểm chuyển động thắng có phương trình chuyển động: x = -5t² - 3t (m) Vậy chất điểm chuyển động Select one: a. chậm dần b. nhanh dần hoặc chậm dần tùy theo thời điểm c. nhanh dần d. đều Giúp em.......................

Lớp 10 mất gốc hoá nên học lại từ đâu mọi nguoi

Vẽ đậu mầm NL: A gọi B bằng bác. C gọi D bằng ông nội. C gọi B là cậu. Vậy A gọi D bằng j

17. ___ to attend the course, you have to pass the examination. A. if you will want B. if you should want C. if you may want D. if you want 18. he has already ___ provision for his wife and children. A. made B. supplied C. gave D. done 19. We think that with our solidarity we can ___ this difficulty. A. overcome B. passC. get by D. do

(Đọc và hoàn thành bài phỏng vấn về người máy gia đình với “will be able to” hay “won’t be able to”.) Interviewer: Robots are already in factories. Will people have robots at home? Robot expert: Yes, they will. I think they (1) do all of our housework. Interviewer: But they (2) replace the personal computer. Is that right? Robot expert: That's true, but one day they (3) use computers. Interviewer: Amazing! What other things (4) home robots do? Robot expert: Well, they will be able to do the gardening but they (5) play sports and games with yo

Theo em cuộc khởi nghĩa Ba Đình, Bãi Sậy, Hương Khê nào là tiêu nhất ? Vì sao

What aspect of learning English ___ ?A. you find to be difficult B. do you find to be difficult C. you find difficult D. do you find difficult

Giải dùm mình với Ai nhanh thì ctl hay nhất nha

Question 2: Complete the passage : Well, here I am in Peru ....(1).......our South American tour. We got to Lima five days ago. We ....(2).........a good journey. It took three days .(3)..... bus, but we saw a lot of things on ....(4)........ way. We didn’t do much for the ...(5)......two days, as a couple of the other guys ...(6)...... ill. We spent most of the time on the beach. They are OK now. On Wednesday, we came ..(7)..... to the mountains, and yesterday we went to the old Inca city of Machu Picchu and did ...(8)......... sightseeing. ...(9)....... was fantastic! We didn’t have a lot of time there, ....(10)...... we saw everything and I took a lot of photos. Question 3: Supply the correct forms of the word in parentheses. 1. Some of the (village).........have lived here all their lives. 2. The room still has many of its (origin)...........features. 3. He doesn’t know the (mean)................... of the word. 4. They tried their best to avoid (get)...........into traffic jams at rush hours. 5. She had her hair (wash)............ and styled. 6. It’s only a short trip. We (be).......... back in an hour. 7. He spends most of his free time (play)....... computer games 8. We produce cheaper goods than our (compete).........do. 9. He has been (separate) ............ from his wife for a year. 10. His father is a (special).............in Vietnamese history. Question 4:Find the word which fits the definition. The first has been done for you. 1. You could keep books on it: ….bookshelf…….. 2. You could keep plates in it : ………… 3. You keep your clothes in it : ……… 4. You can see yourself in it : ………… 5. You get washed in it : …………… 6. You bite the food with them:............ Question 2: Fill in the blanks with one suitable word. The first letter has been provided: Every December millions of Christmas cards go through the post. There are pictures of stars and snow or Christmas (1) t.......... . In these days it is hard to think of Christmas (2) w...... Christmas cards. Yet little over a hundred and fifty years ago there were (3) n.... at all. Here is just one story of the way in which they started. Some boys of those days who were at boarding schools had to write a special piece of English at Christmas (4) t... . This was sent to their (5) p..so that they could see how the boys' work was during the year. Young people like to make little (6) d..... on the paper when they write letters or poems. These boys were the (7) s..... .They used to draw little pictures all (8) r.....the writing. Sometimes they coloured them, and after a time the pictures became more (9) i... than the writing. These were the (10) f..... Christmas cards. Question 1: Rewrite sentences as directed. 1. Why don’t you take that English course? If 2. You forgot to turn off the TV last night, didn’t you? You didn’t ? 3. Despite his age, Mr. Thanh runs five kilometres every morning. Even 4. He didn’t finish his work until the bell rang. Not until 5. When he is asked about his past, he hates it. He hates 6. Without Tom’s help, Bill couldn’t have finished the work. If it 7. William said to Mary “Why don’t you put your luggage under the seat?” William suggested 8. “It’s time we went to bed” they said. (Rewrite, using reported speech) 9. The robbers made the bank manager hand over the money. The bank manager 10. She hasn’t been to Ho Chi Minh City for three years. The last 11. I cleaned the floor then I went to bed. After 12. “Don’t forget to send your parents my regards”, she said to me. She told 13. “Would you like to dance with me?” she said to John. She Question 2: Write complete sentences using the words given to form a letter : Dear Uncle Tom, 1. Thank / much / alarm clock / send me / 15th birthday. 2. It just / what / need. 3. I / terrible / get up late / every morning. 4. Thanks / your present / I / wake up / time. 5. I / hope / you both well. 6. I / look forward / see / you / Christmas. 7. Thanks also / lovely card. Best wishes, Peter Dear Uncle Tom,

Một người muốn làm một lồng đèn có 3 lớp,lớp trong cùng là hình cầu,lớp giưa là hình lập phương có cạnh 40cm,lớp ngoài cùng là hình cầu.Mỗi hình cách nhau 1cm để các hình đó quay được mà không đụng nhau.Hỏi các hình cầu đó có bán kính bao nhiêu cm?