[00:02]The report, by John Houghton of Victoria University
[00:06]in Australia and Graham Vickery of the OECD, makes
[00:11]heavy reading for publishers who have, so far, made
[00:21]Examples of benefits or costs of the current
[00:24]concentration wave are scanty.
[00:30]Students wanting more information can go to a website
[00:33]showing energy consumption dorm by dorm. It even lets
[00:38]users convert kilowatt-hours into the resulting CO2 and
[00:49]Over the last three years, however, the once inexorable
[00:53]increase has begun to fluctuate from year to year, according
[00:57]to the Health Survey for England, with some evidence of a
[01:01]decline since 2004.
[01:07]After many years of development, biologists have learned
[01:10]how to modify nature's DNA recognition system into a
[01:15]general system for manipulating genes.
[01:23]If you are part of the group which you are addressing,
[01:27]you will be in a position to know the experiences and
[01:30]problems which are common to all of you and it'll be
[01:34]appropriate for you to make a passing remark about the
[01:37]inedible canteen food or...
[01:43]These days, it's ordinary middle-class Americans, not
[01:47]a marginalized underclass or high-stakes gamblers, who
[01:52]are most apt to experience financial failure.内容来自 听力课堂网：http://www.tingclass.net/show-8124-241084-1.html