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# Based on the growth rates of large modern reptiles such as

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Senior Manager
Joined: 22 Jun 2005
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Based on the growth rates of large modern reptiles such as [#permalink]

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18 Sep 2005, 05:48
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Based on the growth rates of large modern reptiles such as the Galapagos tortoise and examinations of fossils of juvenile dinosaurs, scientists estimate that the largest dinosaurs probably lived to be between 100 and 200 years old.

(A) Based on the growth rates of large modern reptiles such as
(B) On the basis of growth rates of large modern reptiles such as
(C) Based on the growth rates of large modern reptiles like
(D) On the basis of growth rates of large modern reptiles, like those of
(E) Based on such growth rates as those of large modern reptiles like

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Director
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18 Sep 2005, 05:54
Scientists estimate something on the basis of something, not based on something. Thus, (A), (C), (E) are incorrect.

Between (B) and (D), (B) is better.

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Director
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18 Sep 2005, 12:29
nakib77 wrote:
I don't see anyting wrong with A.

(A) is wrong. "Based on.." describes Scientists instead of their estimation.

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Senior Manager
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19 Sep 2005, 02:17
Thanks for the explanations

The OA is B.

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Director
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19 Sep 2005, 02:54
This was a B for me! But how does "Based on"describe scientists instead of thier estimate?
_________________

Cheers, Rahul.

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19 Sep 2005, 02:54
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# Based on the growth rates of large modern reptiles such as

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