ответить на вопросы (12 вопросов) • How is the telephony defined?
• What are the main parts of a telephone receiver?
• In what cap are they housed?
• Why do telephone sets and lines need protection?
• What is a fuse? What is its function?
• What is the main difference between wireline and wireless telephones?
• Do wireless telephones have any connections?
• Is the mobility of cordless telephones limited or is it limitless?
• How large may be a service area of cellular telephones?
• Are the weight and size of cellular telephones increasing or decreasing?
• What are the two types of in-flight radiotelephones?
• Why may satellite-based systems be employed anywhere in the world?
2 His brother is a pupil. He is at school.
3 My parents are engineers. They are at work.
4 Is he a doctor? No, he isn't. He is a techear.
5 Is your sister a pupil? No, she isn't. She is an engineer. She is at work.
6 Her sister isn't a secretary. She is a teacher.
7 Are these doctors? No, they are pilots.
8 Is your sister at home? No, she isn't. She is at work.
9 Our father is a scientist.
10 His aunt isn't a doctor. She is an actress.
11 This is my book. It is on the table.
12 My cousin isn't a scientist. He is an engineer.
13 These are pictures. They are on the table. The pictures are very beautiful.
14 My granny is a pensioner. She doesn't work. She is at home.
15 Are your children at home? Yes, they are. They are pupils.
My friend is very creative.
We are never bored as he always has a lot of ideas.
My friend is loyal and patient, he is never irritated when I'm wrong.
I respect him much and I must admit that he is respected by all.
I am fortunate to have such a highly supportive and dedicated friend.
I must say that a friend, if he is a real one will never be jealous of your success.
My friend is very trusting he believes people and trusts them.
I'm trusting,too,I can tell him any secret and I'm sure he won't tell it anybody.
Besides, he is very caring.
He calls me if we don't see each other and asks if everything is ok.
I love my friend very much and I wish everybody to have such a friend!