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  1. #1
    Freeguy is offline Member
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    Default Sugar or A sugar

    The basic source or calories is glucose, ...... produced by plants.

    1. a sugar
    2. sugar
    3. is a sugar
    4. which it is a sugar

    In my opinion No.2 is correct. However the answer key says it must be No.1. Don't we use sugar as an uncountable noun in this sense?

  2. #2
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    Raymott is offline VIP Member
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    Default Re: Sugar or A sugar

    Quote Originally Posted by Freeguy View Post
    The basic source or calories is glucose, ...... produced by plants.

    1. a sugar
    2. sugar
    3. is a sugar
    4. which it is a sugar

    In my opinion No.2 is correct. However the answer key says it must be No.1. Don't we use sugar as an uncountable noun in this sense?
    Not in this sense, no. Glucose is a sugar. But table sugar is sucrose. It would be misleading to leave out the ''a'. Besides there are other sugars produced by plants, eg. fructose. So glucose is only one sugar which is produced by plants - hence, "a sugar".

    [Not a botanist]

  3. #3
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    MikeNewYork is offline VIP Member
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    Default Re: Sugar or A sugar

    Quote Originally Posted by Freeguy View Post
    The basic source or calories is glucose, ...... produced by plants.

    1. a sugar
    2. sugar
    3. is a sugar
    4. which it is a sugar

    In my opinion No.2 is correct. However the answer key says it must be No.1. Don't we use sugar as an uncountable noun in this sense?
    Either 1 or 2 is correct, grammatically. Sugar can be countable or uncountable. However, plants produce sugars other than glucose, so #1 is the correct answer scientifically.

  4. #4
    5jj's Avatar
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    Default Re: Sugar or A sugar

    Quote Originally Posted by Freeguy View Post
    The basic source or calories is glucose,
    ... source of calories ...
    Please do not edit your question after it has received a response. Such editing can make the response hard for others to understand.


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