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На олимпиаде по математике каждый из 11 семиклассников решил 3 задачи. Известно, что для любых двух из них есть задача, которую один из них решил, а другой нет. Докажите, что им было предложено не менее 6 задач
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Предмет:
Математика -
Автор:
dudley - 6 лет назад
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Ответы 1
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им было придложено больше 6 задач это можно понять по тому что каждый из семикласников решил по 3 задачи
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Автор:
mathews - 6 лет назад
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Составьте предложения по схемам. В одном из них употребите обращение
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4. ___, а ___.
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Task 1. Fill in with have or has in the following sentences
1. The boy …a ball. 2. My sister …a boyfriend. 3. I..two sisters. They …blond hair. 4. My brother …a red car. It …four doors. 5. This house…a very big garden. 6. The boys…an important test tomorrow. 7. My cat …a long tail. 8. The book …a nice cover. 9. We …good news for you
10. You …a nice voice.
Task 2. Make sentences using have/have got, has/has got.
1. (Ammy / a camera) – Ammy __________.
2. (Ammy / fair hair) – ______________.
3. (Ammy / three brothers) – ________________.
4. (Colin / fair hair) – ________________.
5. (Ammy / a bike) – ________________.
6. (Colin / a sister) – ________________.
7. (l / a camera) – ________________.
8. (l / brothers / sisters) – ________________.
9. (I / a bike) – ________________.
10. (Colin/a bike) – ________________
Task 3. Circle the reflexive pronoun in each sentence. Draw a line back to the subject it is reflecting.
1. I dressed myself this morning. 2. He made breakfast all by himself. 3. We had to cook for ourselves since mom didn’t want to make dinner. 4. When you go shopping for me, buy a present for yourself. 5. She created all the Christmas decorations by herself. 6. The new robotic toys can put themselves away. 7. They used to camera on the cell phone to take pictures of themselves. 8. The man talked to himself as he walked down the street.
Task 4. Fill in the right reflexive pronoun
1. Franz always asks _______________ why English is so crazy. 2. I consider _______________ to be an intelligent person.3. The computer will reboot _______________ after the program installation. 4.Anna and Birgit drive _______________ to work every day. They don't take the bus.5. Sonja cleans her room by _______________. She never asks for help. 6. We are going to repair our house by _______________.
Task 5. There are mistakes in the use of reflexive pronouns in some of these sentences. Find the mistakes and correct them.
1. My sister taught himself to swim.
2. The children are making themselves something to eat.
3. I hurt me when I fell down the stairs.
4. We're meeting ourselves at 8.00 this evening.
5. We're enjoying ourselves very much.
Task 6. Use “this” or “these”
1. Is _________ my drink? 2. _________ aren´t my trainers. 3. Is _________ an interesting museum. 4. _________ are new bikes. 5. _________ is my house.
6. _________ is a hill. 7. _________ are donkeys. 8. What is _________? 9. Did you drop _________? 10. Hi, Jane! _________ is Michael.
Task 7.Use “that” or “those”
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Автор:
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Ответов:
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Предмет:
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Автор:
matteo - 6 лет назад
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