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If I were you I’d be hitting the practice questions to find out which areas you don’t know (or are scoring badly on).
Then I’d work out a rough score-per-topic and compare this against topic weightings to see how far off a 70% pass score you are.
From there, you can focus your attention on ways to close any gap between your target score (of at least 70%) and your current score.
If your background (and current study?) is engineering, then you might be better to focus on those studies and re-sit the Level 1 in June 2014. Getting the CFA Charter 6 months early is probably not going to be hugely advantageous if in the process you fail your engineering degree (or get set back a year).