English for Research: Usage, Style, and Grammar



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A.Wallwork - English for Research Usage, Style, and Grammar - 2013
A / AN
THE
1, 2
A camel (= any camel ) can go for days or even months without water because, unlike other animals, camels retain urea and do not start sweating until their body temperatures.
The panda (= all the pandas in the
world ) is in danger of becoming extinct.
3, 4
A computer is an electronic device for storing and processing data.
The computer has changed the way we live.


24
3.6 a / an, the , possessive pronoun parts of the body
1. In definitions use a / an before external organs, and the before internal organs. His / her / their are more informal.
2. Use a / an for generic statements, the for specific cases. Only his /
her when the body part belongs specifically to the male or female, respectively.
3.
A / An is used when the person / animal has more than one of a particular body part, the is used when the part of the body is a unique item.
4. If the person or animal has many of the same body parts and you are referring to an individual item of such body parts use a / an . If you are referring to all of them use the.
5.
The is used when someone has something inflicted on him / her, or when the body part is being focused on rather than the fact that this body part belongs to someone.
A / AN
THE
HIS, HER, THEIR
1
A beard is the growth of hair on the face of an adult male.
The heart is the most important muscle of the human body.
Your heart is about the same size as your fist and weighs a little less than two baseballs.
2 The patient had camouflaged his abnormal neck appearance with a
beard . The average length of the long guard hairs of the goat near the front of the beard was measured. Employees cannot be fired in cases where the employee refuses to shave his beard .
3 The patient, a male aged
24, had burned an arm . The patient complained of discomfort in the

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