转折
一些明显的转折词包括but、however、yet(谓语句首)、 though、on the contrary; Although/ While/ In spite of/ Despite---,----;等，转折词前后的意思一般来说都是相反的，而作者往往偏重转折处后面的内容。因此，在阅读过程中看到转折词，考生最好能做上标志以方便做题时候的查找。
【真题回放2008-Text3】
The trend in sports, though, may be obscuring an unrecognized reality: Americans have generally stopped growing.
35. The text intends to tell us that
[A] the change of human height follows a cyclic pattern.
[B] human height is becoming even more predictable.
[C] Americans have reached their genetic growth limit.
[D] the genetic pattern of Americans has altered.