Перед порядковым числительным обычно употребляется определенный артикль. Однако, когда порядковое числительное имеет значение другой, еще один или неизвестно общее число предметов, действий и пр. употребляется неопределенный артикль:
A third man (еще один) entered the room.
The same authors put forward a second correlation.
- Артикль не употребляется перед существительным, если за ним следует его номер:
I'm waiting for tram 55.
The deduction of the equation you'll find in chapter 8 of the book.
I. Поставьте артикль, где необходимо.
- Of all those to whom he appealed one was actually not in ____ position to do anything for him; another was afraid; ___ third was calculating eagerly to drive ____ hard bargain; ___ forth was too deliberate, anxious to have much time.
- Two people would have to hold ___ chair, and ___ third would help him up on it, and ___ forth would hand him ___ nail, and ___ fifth would pass him up ___ hammer.
- ___ professor Earle Fox ignored for ___ second time ___ buzzing signal from the secretary in ___ adjoining office.
- Mr Pickwick was perfectly aware that ___ tree is ___ very dangerous neighbour in ___thunderstorm. He had ___ tree on his right, ___ tree on his left, ___ third before him, and ___ fourth behind.
- Our apartment is on ___ third floor.
- You are ___ forth visitor asking where ___ room 40 is there.
- In brominating the ketone a second bromine atom enters the nucleus.
- The four centres lie in a plane.
- A second smaller step is also produced just before the final increase in current.
- All the three oxygen atoms lie in a plane with the carbon atom.
- Of the two reactions the second goes about a thousand times faster than the first.
- The close agreement of the six compounds is unlikely to be a coincidence.
- A second notation uses the lower-case letters d- and l- to denote configuration.