Photovoltaic cells are made of two thin layers of material, : GMAT Sentence Correction (SC)
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# Photovoltaic cells are made of two thin layers of material,

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07 Jun 2004, 07:54
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Photovoltaic cells are made of two thin layers of material, one of them being a semiconducting material such as silicon, the other a metal such as aluminum or silver.
(A) one of them being a semiconducting material such as silicon, the other a metal such as aluminum or silver
(B) one of them being a semiconducting material such as silicon, the other being a metal like aluminum or silver
(C) one of a semiconducting material such as silicon, the other of a metal such as aluminum or silver
(D) the first of the layers a semiconducting material such as silicon, the other layer a metal such as aluminum or silver
(E) the first silicon, a semiconducting material, the other silver or aluminum, both metals

Is "one of a semiconducting material such as...., the other of a metal such as....." correct? I thought it should be something like "one of them is a semiconducting material such as......, the other is a metal such as......".

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07 Jun 2004, 09:12
rrr wrote:
Question: Photovoltaic cells are made of two thin layers of material, one of them being a semiconducting material such as silicon, the other a metal such as aluminum or silver.
(A) one of them being a semiconducting material such as silicon, the other a metal such as aluminum or silver
(B) one of them being a semiconducting material such as silicon, the other being a metal like aluminum or silver
(C) one of a semiconducting material such as silicon, the other of a metal such as aluminum or silver
(D) the first of the layers a semiconducting material such as silicon, the other layer a metal such as aluminum or silver
(E) the first silicon, a semiconducting material, the other silver or aluminum, both metals

Is "one of a semiconducting material such as...., the other of a metal such as....." correct? I thought it should be something like "one of them is a semiconducting material such as......, the other is a metal such as......".

Look at it this way

Photovoltaic cells are made of two thin layers of material, one (is made )of a semiconducting material such as silicon, the other (is made) of a metal such as aluminum or silver

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Praveen

Re: SC: one of....   [#permalink] 07 Jun 2004, 09:12
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