Unit 12 Life is full of the unexpected. The Third Period Section A 3a-3c【Teaching aims】一、听、说、读、写以下词汇:miss, unexpected, block, worker, above, burn, alive, till, west, stare, disbelief, take off网二、通过学习,口、笔头掌握下列句型:1. Life is full of the unexpected.2. By the time I got to the airport, my plane to New Zealand had already taken off.3. Before I could join the others outside to see what was going on, the first plane had already hit my office building. .com4. We stared ..