1. When it comes to web browsing, it's Firefox that uses the least amount of memory. Opera Next places a distant second with a tally of almost 1.1 GB. Close behind in third place is Internet Explorer 10. Chrome and Opera 12 practically tie for last place, with both browsers just over the 1.5 GB mark.2. After decreasing the workload back down to a single tab, Opera Next takes the lead. Chrome is in second place at just under 200 MB, followed by IE10 and Firefox 22 in third and fourth place respectively at around 270 MB each. As usual, the current version of Opera ends up in last place, holding onto a whopping gigabyte of RAM.3. My son came in last in the school race yesterday.
 come in last last place請參考例句。