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nawee
Joined: 29 Apr 2006
Posts: 400
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 Posted: Wed Feb 14, 2007 2:48 am Post subject: in the three centuries... |
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Hello,
"In the three centuries since Newton worked out his theory of gravitation, it has been modified and changed only once � by Albert Einstein."
Which is incorrect?
a) in the three centuries
b) since Newton
c) it has been modified
d) and changed
And I don't understand what "in the three centuries since" means. Doesn't "since" from that time until now?
Thank you,
Nawee |
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Yinglish
Joined: 30 Jan 2007
Posts: 99
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| Posted: Wed Feb 14, 2007 3:08 am Post subject: |
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| Quote: |
| "In the three centuries since Newton worked out his theory of gravitation, it has been modified and changed only once � by Albert Einstein." |
"and changed" is redundant because it has the same meaning as "modified".
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| Doesn't "since" <mean> from that time until now? |
Yes. |
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nawee
Joined: 29 Apr 2006
Posts: 400
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| Posted: Wed Feb 14, 2007 7:09 pm Post subject: |
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Thank you, Yinglish.
Just one more question. What does "in the three centuries since Newton worked out..." mean? Does it mean 'since Newton worked out... until now and it has been 3 centuries'?
Thank you.
Nawee |
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Yinglish
Joined: 30 Jan 2007
Posts: 99
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| Posted: Wed Feb 14, 2007 8:55 pm Post subject: |
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| nawee wrote: |
Just one more question. What does "in the three centuries since Newton worked out..." mean? Does it mean 'since Newton worked out... until now and it has been 3 centuries'?
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Albert Einstein said the above statement during his lifetime (1879 - 1955). Sir Isaac Newton published his theory on gravitation in 1687. 1955 minus 1687 equals 268 which is within 300 years (three centries).
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| Does it mean 'since Newton worked out... until now and it has been 3 centuries'? |
Yes, that is what it means but you have to treat "now" as in the 1950s, back in Einstein's lifetime. |
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