ответить на вопросы ambient divers, unlike divers who go underwater in submersible vehicles or pressure resistant suits, are exposed to the pressure and temperature of the surrounding (ambient) water. of all types of diving, the oldest and simplest is free diving. free divers may use no equipment at all, but most use a face mask, foot fins, and a snorkel. under the surface, free divers must hold their breath. most free divers can only descend 30 to 40 feet, but some skilled divers can go as deep as 100 feet. scuba diving provides greater range than free diving. the word scuba stands for self-contained underwater breathing apparatus. scuba divers swear metal tanks with compressed air or other breathing gases. when using , open-circuit equipment, a scuba diver simply breathes air from the tank i through a hose and releases the exhaled air into the water. a closed-circuit breathing device, also called a rebreather, filters out carbon dioxide and other harmful gases and automatically adds oxygen. this enables the diver to breathe the same air over and over. in surface-supplied diving, divers wear helmets and waterproof canvas suits. today, sophisticated plastic helmets have replaced the heavy copper helmets used in the past. these divers get their air from a hose connected to compressors on a boat. surface-supplied divers can go deeper than any other type of ambient diver. statements 1. the passage mainly discusses: a) going underwater in submersible vehicles; b) free diving; c) surface-supplied diving; d) various types of diving.2. the passage implies that the oldest type of diving is called: a) ambient diving; b) scuba diving; c) free diving; d) pearl diving. 3. it may be inferred from the passage that all divers: a) use no equipment at all; b) use sophisticated equipment; c) submerge; d) surface. 4. according to the text most free divers use: a) a snorkel, a face mask and hand fins; b) a face mask, foot fins, and a snorkel; c) a self-contained underwater breathing apparatus; d) a snorkel, back fins and helmet. 5. the word "ambient" in line one may most probably mean the following: a) underwater; b) encompassing; c) resistant; d) submersible. 6. one can make a conclusion that most free divers can reach the depth of: a) 10 yards; b) 20 yards; c) 30 yards; d) 40 yards. 7. while going underwater a scuba diver wears: a) a canvas hose; b) a plastic helmet; c) rebreathers; " d) metal tanks. 8. it can be seen from the passage that the rebreather filters out: a) carbon dioxide; b) detrimental gases; c) inert gases; d) open-circuit gases. 9. the passage states that the diver can breathe: a) the same air over and over; b) raw oxygen; c) carbon dioxide; d) other harmful gases. 10. the passage implies that in surface-supplied diving, divers wear: a) intricate canvas helmets; b) sophisticated copper helmets; c) sophisticated plastic helmets; d) heavy copper helmets.
Ответы
1d 2c 3c 4b 5b 6c 7d 8a 9b 10c
Нi, Bill!
How are you doing?
I'd like to tell you about newspapers and magazines in Ukraine.
Of course people are not very much interested in reading newspapers and magazines nowadays.
We prefer to learn news from internet.
Anyway, we read some newspapers and popular magazines.
For example my father reads 'The Evening Kiev' .
My mother reads the magazine 'Natalie'.
I read the magazine 'Internet'.
Grandmother prefers themagazine 'Ukrainian Airlines'
I hope my information will help you some way.
Bye for now!
Sasha.
How are you doing?
I'd like to tell you about newspapers and magazines in Ukraine.
Of course people are not very much interested in reading newspapers and magazines nowadays.
We prefer to learn news from internet.
Anyway, we read some newspapers and popular magazines.
For example my father reads 'The Evening Kiev' .
My mother reads the magazine 'Natalie'.
I read the magazine 'Internet'.
Grandmother prefers themagazine 'Ukrainian Airlines'
I hope my information will help you some way.
Bye for now!
Sasha.
I
In order to discover the lifestyle of the British, books and articles is not enough. It is necessary to go to the territory of the Foggy Albion and to understand life from the inside, working or studying in the country. Culture, mentality and Outlook on life of the English people is very interesting. Very interested to know what makes Prim Englishman, after a week. It's hard to believe, but almost half of Britons like to spend Saturday and Sunday before televizorom. Britain - the country is measured and does not like fuss. People are consciously looking for a job close to home to on the road to spend no more than 10-15 minutes. The British are very cherish the time and energy. Before the work of the British calmly drink coffee and suchaut news. Towards 12 o-clock starts on lunch. No sane Brit will not miss lunch. Work the British average of 17 PM. They need to get home and prepare for dinner. INOUT the British invariably at 18.00. If someone is late to the table, the maximum food he gets is an Apple and tea with milk. Many tourists can't get used to this lifestyle very long. The Sabbath was made for typical British family - a day of shopping. Many shops in England close at six o'clock, so products buy in store. Weekend for the British is and restoring order in the garden or the house. Cleanliness and comfort take first place in the lifestyle of the English people. Everything must be spotless and Shine with cleanliness. Gardens the British are very cute.
In order to discover the lifestyle of the British, books and articles is not enough. It is necessary to go to the territory of the Foggy Albion and to understand life from the inside, working or studying in the country. Culture, mentality and Outlook on life of the English people is very interesting. Very interested to know what makes Prim Englishman, after a week. It's hard to believe, but almost half of Britons like to spend Saturday and Sunday before televizorom. Britain - the country is measured and does not like fuss. People are consciously looking for a job close to home to on the road to spend no more than 10-15 minutes. The British are very cherish the time and energy. Before the work of the British calmly drink coffee and suchaut news. Towards 12 o-clock starts on lunch. No sane Brit will not miss lunch. Work the British average of 17 PM. They need to get home and prepare for dinner. INOUT the British invariably at 18.00. If someone is late to the table, the maximum food he gets is an Apple and tea with milk. Many tourists can't get used to this lifestyle very long. The Sabbath was made for typical British family - a day of shopping. Many shops in England close at six o'clock, so products buy in store. Weekend for the British is and restoring order in the garden or the house. Cleanliness and comfort take first place in the lifestyle of the English people. Everything must be spotless and Shine with cleanliness. Gardens the British are very cute.
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