（为了方便阅读，贴一下全文~
Many people believe that because wages are lower in developing countries than in developed countries, competition from developing countries in goods traded internationally will soon eliminate large numbers of jobs in developed countries. Currently, developed countries' advanced technology results in higher productivity, which accounts for their higher wages. Advanced technology is being transferred ever more speedily across borders, but even with the latest technology, productivity and wages in developing countries will remain lower than in developed countries for many years because developed countries have better infrastructure and better-educated workers. When productivity in a developing country does catch up, experience suggests that wages there will rise. Some individual firms in developing countries have raised their productivity but kept their wages (which are influenced by average productivity in the country's economy) low. However, in a developing country's economy as a whole, productivity improvements in goods traded internationally are likely to cause an increase in wages. Furthermore, if wages are not allowed to rise, the value of the country's currency will appreciate, which (from the developed countries' point of view) is the equivalent of increased wages in the developing country. And although in the past a few countries have deliberately kept their currencies undervalued, that is now much harder to do in a world where capital moves more freely.
第一步，看已知信息寻找突破口
什么是已知信息，题干和选项
题干问主旨，然后溜一下选项，发现都是虚的，一点具体内容都没有
这就是一个提示，我根本不要去看具体内容，只要看句与句之间的关系就行了
然后读原文
“很多人认为什么，现在又怎么样了，但是什么什么是因为什么，当什么，什么就怎么着了。但是什么什么（一直到结尾）”
来看选项
A. 确定了一个误解的来源。杀，原文有两个但是，说明逻辑方向有两次不一致，匹配不了这个说法
B. 讨论了一个原则的运用。杀，和应用扯不上关系
C. 展现了一些信息（和什么有关？）和一些普遍相信的东西。留着，这个说法很虚，很难说错，杀不掉
D. 捍卫了一个有争议的说法通过驳斥一些对他的驳斥。有点沾边，留着
E. 不写了，无关。和两个但是对不上