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## OG13 Practice Questions - Q99

fermar84 Senior | Next Rank: 100 Posts
Joined
27 Jul 2014
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#### OG13 Practice Questions - Q99

Wed Aug 27, 2014 6:48 pm
The stars, some of them at tremendous speeds, are in
motion just as the planets are, yet being
so far away
from Earth that their apparent positions in the sky do
not change enough for their movement to be observed
(A) The stars, some of them at tremendous speeds,
are in motion just as the planets are, yet being
(B) Like the planets, the stars are in motion, some
of them at tremendous speeds, but they are
C) Although like the planets the stars are in motion,
some of them at tremendous speeds, yet
(D) As the planets, the stars are in motion, some of
them at tremendous speeds, but they are
(E) The stars are in motion like the planets, some of
which at tremendous speeds are in motion but

Why like is used to compare stars and planets, I thought that like was only used to compare people?
When would you say it is correct to use Like and when to use As?

Thanks,
FM

Uva@90 Master | Next Rank: 500 Posts
Joined
04 Jul 2013
Posted:
490 messages
Followed by:
5 members
83
Wed Aug 27, 2014 7:52 pm
fermar84 wrote:
The stars, some of them at tremendous speeds, are in
motion just as the planets are, yet being
so far away
from Earth that their apparent positions in the sky do
not change enough for their movement to be observed
(A) The stars, some of them at tremendous speeds,
are in motion just as the planets are, yet being
(B) Like the planets, the stars are in motion, some
of them at tremendous speeds, but they are
C) Although like the planets the stars are in motion,
some of them at tremendous speeds, yet
(D) As the planets, the stars are in motion, some of
them at tremendous speeds, but they are
(E) The stars are in motion like the planets, some of
which at tremendous speeds are in motion but

Why like is used to compare stars and planets, I thought that like was only used to compare people?
When would you say it is correct to use Like and when to use As?

Thanks,
FM
Hi Fermar,

'Like' is used to COMPARE NOUNS, whereas
'AS' is used to Describe NOUN's function

Regards,
Uvaraja S

_________________
Known is a drop Unknown is an Ocean

### GMAT/MBA Expert

Rich.C@EMPOWERgmat.com Elite Legendary Member
Joined
23 Jun 2013
Posted:
9443 messages
Followed by:
480 members
2867
GMAT Score:
800
Wed Aug 27, 2014 8:02 pm
Hi fermar84,

When dealing with "comparison rules", you must be sure to compare "like" things. The word "like" is not restricted to just comparing people.

eg.
Like John, Mary enjoys jogging.
Like walking, jogging is a physical activity.
Like John's walking style, Mary's walking style is brisk.
etc.

When dealing with a comparison at the beginning of a sentence, the GMAT tends to use the word "like." However, the entire sentence still needs to be grammatically correct, so seeing a comparison written in this style (at the beginning of a sentence) is not necessarily enough to select an answer.

The correct answer B presents a proper comparison and makes no mistakes in the modifiers and pronoun it uses.

The word "as" doesn't mean much by itself. It's often used as a "2-part" phrase (eg. AS many apples AS bananas) or to reference an example (e.g. a piece of fruit SUCH AS an apple).

GMAT assassins aren't born, they're made,
Rich

_________________
Contact Rich at Rich.C@empowergmat.com

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