第三段：

　　(提出反方的立场)Some might argue that we would be better off without technology. They might say that a return to a less technologically driven approach to life would have the benefits of reducing stress and allowing us to live simpler, happier lives, like those of our forebears. Such an idea is seductive, so much so that much of art and all of nostalgia are devoted to it. (通过具体论据反驳反方的观点)But upon closer inspection, one realizes that such a move would only return us to a life of different kinds of stress, one of false simplicity, one fraught with danger. It would be a life without antibiotics where a minor cut could prove deadly. It would be a life where childbirth is the main killer of women, and where an emergency is dealt with in terms of hours and days instead of minutes and hours; a life where there are no phones or cars or planes or central heating, no proven drug therapies to treat mental illness, no computers. Would this world really make people happy?

　　第四段：

　　(在第三段驳论的基础上进一步立论)What we already have, we have. And since the only way to move is forward, instead of allowing ourselves to be paralyzed by fear and worry, we need to learn how to clean up the pollution we have caused, and how to deal with a world that feeds on weapons and mass destruction. Doing these things means having to move away from technology into a more difficult realm, that of diplomacy and compromise: to move from the bully stance of “I am bigger and better and I have more toys and so I win” to a place where everyone wins.

　　第五段：

　　Technology is the thing that will allow people to do that. (指出支持观点存在的一点不足)But, advanced as it is, it is still in its infancy. (解决方案)We have to allow it to grow up and mature in order to reap the real rewards that it can bring. And there are even greater rewards ahead of us than what the world has already experienced. When technology is pushed to the outer edge, that is where serendipitous discoveries can occur. This has been seen throughout technological advancement, but the easiest example is probably the space program which made us think, really hard, about how to do things in a different environment. It gave us telecommunications, new fabrics and international cooperation. Paramedical devices, so that people can be treated even as they are being transported to the hospital, are a direct development of that technology. None of this would have happened in the time frame that it did if we had not pushed for technological advancement. If we had decided to “focus on maximizing the use of existing technology” instead of foolishly reaching for the stars, we would not have made those discoveries which now are the bedrock of the 21st century.

　　当然，提高critical thinking能力的同时，也很有必要包装语言。我们在课上已经介绍了安全、有效的方法，下一篇博文将通过实例进一步强化这种方法。