1.Ben Bernanke testifying on Capital Hill said today there are signs the three year slump in the housing market may be hitting bottom.

【参考译文】本.伯南克今天在国会山表示，有迹象表明，已经经历三年萧条期的房产市场可能已经触底。

【结构解析】signs后省略了“that”，“the three year ... bottom”是 signs的同位语。

2.This is the new look of the housing collapse: Homes that were unfinished or unsold knocked down and hauled to a recycling dump.

【参考译文】关于房市崩溃的新消息：未建成和未售出的房屋已经被推倒并拖到垃圾回收站。

【结构解析】“knocked down”前省略了"are"，冒号后的句子主干是“homes...(are) knocked down and hauled...”。