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magnetictempest
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Using a tsunami warning device, deadly waves can be detected 24 Sep 2010, 12:07
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E
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100% (00:43) correct 0% (00:00) wrong based on 2 sessions

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Using a tsunami warning device, deadly waves can be detected within the first few minutes of an undersea earthquake.

A) Using a tsunami warning device, deadly waves can be detected within the first few minutes of an undersea earthquake.

B) Deadly waves can be detected within the first few minutes of an undersea earthquake, using a tsunami warning device.

C) Detecting deadly waves within the first few minutes of an earthquake, an earthquake geologist can use a tsunami warning device.

D) Within the first few minutes of an undersea earthquake, deadly waves can be detected by an earthquake geologist using a tsunami warning device.

E) Using a tsunami warning device, an earthquake geologist can detect deadly waves within the first few minutes of an undersea earthquake.



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E
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siyer
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Using a tsunami warning device, deadly waves can be detected 24 Sep 2010, 12:58
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I went for A.

Not sure why it is E. The only difference was the mention of the earthquake geologist who detects the waves using a device.
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magnetictempest
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Using a tsunami warning device, deadly waves can be detected 24 Sep 2010, 14:04
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To be honest I went with A as well, I actually felt that 'E' changes the meaning of the statement altogether.

The only logic I can use to get to 'E' is because the 'earthquake geologist' is a more suitable pronoun than 'deadly waves'.
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Using a tsunami warning device, deadly waves can be detected 24 Sep 2010, 14:47
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I went for E.
My approach was...who was using the Tsunami warning device?Answer: earthquake geologist. I thought this is more appropriate than the choice A.
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Using a tsunami warning device, deadly waves can be detected 24 Sep 2010, 15:28
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While E sounds more wordy it is correct as the user of the device is unclear in A.
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Using a tsunami warning device, deadly waves can be detected 24 Sep 2010, 15:52
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E

A) Using a tsunami warning device, deadly waves can be detected within the first few minutes of an undersea earthquake. -Wrong: The sense of the sentence is wrong. In this option you could understand that the waves are using the device.

B) Deadly waves can be detected within the first few minutes of an undersea earthquake, using a tsunami warning device. - Wrong1: passive voice. Wrong2: The geologits has been eliminated. Who is using the device?

C) Detecting deadly waves within the first few minutes of an earthquake, an earthquake geologist can use a tsunami warning device. - Wrong: It changes the original sense of the sentence. Here you can understand that the geologist can use the device when he detects the deadly waves.

D) Within the first few minutes of an undersea earthquake, deadly waves can be detected by an earthquake geologist using a tsunami warning device.- Wrong: Passive voice.

E) Using a tsunami warning device, an earthquake geologist can detect deadly waves within the first few minutes of an undersea earthquake. - CORRECT

Please, notice that passive voice sometimes could be right. But if you have to choose between active voice and passive voice, usually active voice is the best option.

I think I deserve kudos 8-)
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Using a tsunami warning device, deadly waves can be detected 24 Sep 2010, 19:38
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I always try to avoid passive voice, to the extent of sometimes picking the wrong answer because of that. +1 for E in this one.



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