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Hi
If it is not possible to decipher the meaning in less than a minute, probably one cannot decipher it even after a couple of minutes. In such an unfortunate eventuality case, you have to start the POE; first of all, even a cursory glance will reveal that one can easily eliminate A and B for using the wrong idiom ‘for enabling’. In C, the shift tense from past tense to present is blatantly wrong in saying that ---who were still living … that investments are closely monitored ---
D and E use the precise idiom ‘that enables’. The issue is about a recent discovery whose effect is going to be felt immediately and hence a present tense verb such as that enables is required as in D, rather than a future tense verb ‘will enable’; Similarly we need a present tense such as ‘is aware’ rather than the past tense ‘was aware’.
While understanding the meaning is certainly a requirement, the POE by grammar might help to eliminate three or four wrong elements since the correct choice will anyway have to be without grammatical flaws.
Finally, I do not see much point in fixing a uniform time- limit for all the questions. In a test, there will be some easy ones as well as some tough ones. One cannot afford not to attempt a question because he or she cannot understand. Such an airtight approach will unnerve some in critical moments. During the prep time, the goal should be to somehow reach the destination so that it will be easy for you to understand a question with similar concepts on the test.
If you want an idea, read as much American fiction as possible, by eminent authors such as Ayn Rand, Arthur Hailey, Sidney Sheldon, Irving Wallace, Ken Follett, Alistair MacLean, and Wodehouse to name a few. You will get many of these meanings right. I learnt it that way. If you want, you can too.
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Thank you Daagh for your time on GMAT Club and all your contributions! Thank you for everything you did!Your work will remain a great tribute to you here on GMAT Club!
-bb