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Существует система шифрования с использованием таблицы: a) вижинера. b) Вернадского. c) июкинера. d) Данилова. е) Касперского.
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Предмет:
Информатика -
Автор:
gauge - 6 лет назад
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Ответы 1
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Вижинера.Это система шифрования с использованием ключевого слова.
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Автор:
sullivan - 6 лет назад
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Два рабочих вместе могут вырыть канаву за 2 часа. Первый из них, работая один, выполняет эту работу за 3 часа. За какое время выроет эту канаву второй рабочий, работая один?
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Помогите по английскому перевести текст и выполнить к нему задание, плиззз!
Read the information about some accommodation options for people who study abroad. Circle the right answers.
True — if the statement agrees with the information in the text.
False — if the statement contradicts the text.
Not Given — if there is no information in the text.
When studying abroad, lots of students live in homestay accommodation. Homestay means staying with a local family, which gives students a very good opportunity to learn and practise their English in everyday situations. Daily communication with local people also helps you understand the culture of the country. If you stay with a family, you have a private room with necessary furniture: a bed, a table or a desk, and a wardrobe for your clothes. You have meals (breakfast and dinner) with the family.
It's natural that when you stay with a family, you have to observe some rules of co-existence. They could be like these:
Behave like a member of the family (which means you should keep your room tidy and help with housework).
Wash and iron your clothes. And don't forget to ask your hosts if you can use the washing machine.
Do not use the bathroom for too long. If you use the kitchen, do not forget to wash the dishes after it.
Speak English as much as possible. Be polite and friendly with everyone in the family.
Never invite your friends without asking for permission.
Remember that you should come home by the appointed hour in the evening. Don't stay out till late hours.
Staying in a youth hostel is another option for students studying abroad. You can have a single room or can share a room with one or two other students. The kitchen and the bathroom are usually used on a shared basis. That's why it's very important to keep them clean and tidy. You can cook meals yourself or eat in a students' cafe.
In the youth hostel you can meet lots of new friends from different countries. They'll possibly help you with your lessons and you can have lots of fun together. Youth hostels also tend to have more of a party atmosphere and often organise entertainment to help you make friends and enjoy your stay. There are usually opportunities for doing sports. For example, you can hire a bicycle or play games in the sports grounds. Staying in a youth hostel is usually less expensive than other options.
1. One of the advantages of homestay accommodation is the opportunity to learn about local people's culture and lifestyle.
a) True b) False c) Not Given
2. Pets are never allowed in homestay accommodation, a) True b) False c) Not Given
3. The host family must provide the student with a private room and necessary furniture.
a) True b) False c) Not Given
4. Someone from the host family cooks breakfast and dinner for the student, washes up, washes and irons the students clothes, a) True b) False c) Not Given
5. If a student chooses homestay accommodation, he or she cannot invite friends into the house.
a) True b) False c) Not Given
6. Students who live in youth hostels may live in single rooms but they usually share the kitchen and the bathroom.
a) а)True b) False c) Not Given
7. Most students prefer youth hostels to homestay accommodation
a) True b) False c) Not Given-
Предмет:
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Автор:
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Ответов:
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What do the signs mean? Use must/mustn't.
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Keep dogs on leads
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