Вопрос школьника по предмету Математика
Какому известному математику принадлежат слова: «Математика — царица наук, а арифметика — царица математики»?
Ответ учителя по предмету Математика
Карл Фридрих Гаусс — ему принадлежит высказывание «Математика — царица наук, а арифметика — царица математики».
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1. I (try) contacting my pen pal when I (be) in the United States, but she (change) her address and no one (know) where she (move) to. 2. He (be) very nervous when he first (drive) in Britain because he (not, drive) on the left before. 3. When I (hear) his voice on the phone, I (know) I (speak) to him before. Then I (remember) I (already, meet) him. I also (remember) that I (not, like) him very much. 4. I’m really sorry I (be) so late last night. – That’s OK. We (not, wait) long. 5. Robert (move) from Manchester to London in 1988. – How long he (live) in Manchester? 6. We (just, start) lunch when the telephone (ring). 7. Andrew was late for school yesterday. When he (get) to the classroom, the lesson (start). 8. They (wait) until everyone (be) ready and then they (start) the meeting. 9. (you, catch) the train yesterday? – No, it (already, leave) when we (get) to the station. 10. Andrew (do) the test before, so he (find) it very easy. 11. I (not, laugh) at the joke because I (hear) it before. 12. When I (find) my wallet I (discover) that somebody (take) the credit cards out of it. 13. I (feel) cold because I (stand) outside for over two hours. 14. I (play) tennis so I (feel) hot and sticky. 15. The children’s hair was wet because they (swim) in the sea. 16. I (not, feel) well for weeks before I finally (go) to see the doctor. 17. They (not, eat) when I (go) to see them. They (just, finish) their dinner. 18. I (invite) Ann to dinner last night but she couldn’t come. She (already, arrange) to do something else. 19. I was very pleased to see Nora again after such a long time. I (not, see) her for five years. 20. They (drive) for about half an hour when they (realize) they (be) lost. 21. The house (be) very quiet when I got home. Everybody (go) to bed. 22. There (be) a car by the side of the road. It (break) down and the driver (try) to repair it. So we (stop) to see if we could help. 23. Jim was on his hands and knees on the floor. He (look) for his cigarette lighter. 24. We (walk) along the road for about 20 minutes when a car (stop) and the driver (offer) us a lift. 25. When I (arrive), everyone (sit) round the table with their mouths full. They (eat). 26. When I (arrive) Ann (wait) for me. She was rather annoyed with me because I (be) late and she (wait) for a long time. 27. Class (begin, already) by the time I (get) there, so I (take, quietly) a seat in the back. 28. I (see, never) any of Picasso’s paintings before I (visit) the art museum. 29. Yesterday at a restaurant, I (see) Pam Donnelly, an old friend of mine. I (see, not) her in years. At first, I (recognize, not) her because she (lose) at least fifty pounds. 30. It is midnight. I (study) for five straight hours. No wonder I’m getting tired. 31. It was midnight, I (study) for five straight hours. No wonder I was getting tired.
32. Wake up! You (sleep) long enough. It’s time to get up. 33. At least two hundred people (wait) in line to buy tickets to the game. Some of them (stand) in line for more than four hours. We (decide) not to try to get tickets for ourselves. 34. He (be) a newspaper reporter before he (become) a businessman. 35. I (feel) a little better after I (take) the medi¬cine. 36. It (rain) hard, but by the time the class (be) over, the rain (stop). 37. Ann (listen) to loud rock music when her friends (arrive) but (turn) it off so all of them could study together. When they (finish), she (turn) it back on, and they (dance) and (sing) for two hours now. 38. Oscar (train) for the Olympics for the last three years and wants to make the national team next year. 39. Tom had a hard time finding a job. He (try) to get a new job for six months before he finally (find) a position at a local community college. Now he has a two-year contract. He (teach) there for only a few weeks, but he likes his job very much. 40. The marathon runner (run) for almost two hours when she (collapse) to the pavement. She (receive) immediate medical attention. 41. We (wait) for Nancy for the last two hours, but she still (arrive, not). 42. He (give) me back the book, (thank) me for lending it to him and (say) that he (enjoy) it very much; but I (know) that he (not read) it because most of the pages (be) still uncut. 43 (put) the £5 note into one of my books; but next day it (take) me ages to find it because I (forget) which book I (put) it into. 44. A woman (come) in with a baby, who she (say) just (swallow) a safety pin.