【答案解析】新技术和全球竞争已意味着产品的生命周期已比从前缩短很多。这无论是对企业还是我们的工作方式都产生了深远的影响。 [解析]
New technology and global competition have meant that the life cycle of products isn"t as long as it used to be. This has had a profound effect on the companies and on the way we work.

【答案解析】对一些西方工业化国家如澳大利亚和一些欧洲国家的研究表明，二三十年来，人类的智力显著提高，但是在几年前，智力水平开始稳定了下来。 [解析]
Research in some Western industrialized countries such as Australia and some European countries suggests that human intelligence rose quite steeply for 2 or 3 decades and then leveled off a few years ago.

【答案解析】六月份美国制造业发展势头迅猛，增速为2006年4月以来之最，投资者受此消息鼓舞，道琼斯工业平均指数上扬120多点。 [解析]
As investors were encouraged by the news that the U. S. manufacturing sector expanded in June at its fastest pace since April 2006, the Dow Jones industrial average rose more than 120 points.

【答案解析】由于在大学里你必须独立地花大量时间来学习，大二大三的过来人可以推荐一些学习技巧帮助你跟上学习的进度。 [解析]
Because at university you have to spend so much time studying on your own, mentors, students in their second year or third year, can suggest techniques for studying, which will help you to keep up-to-date with your work.

【答案解析】他们安装了一个太阳能电池板来提供能源，并且，互联网的连接已不再依赖过时的电话线，而是由一种无线发射系统来完成的。 [解析]
They installed a solar panel to provide the power, and instead of an old-fashioned telephone line, the Internet connection was provided by a wireless transmission system.