Part II Reading Comprehension （Skimming and Scanning） （15 minutes）Scientists Weigh Options for Rebuilding New OrleansAs experts ponder how best to rebuild the devastated （毁坏）city, one question is whether to wall offor work withthe water.Even before the death toll from Hurricane Katrina is tallied, scientists are cautiously beginning to discuss the future of New Orleans. Few seem to doubt that this vital heart of U.S. commerce and culture will be restored, but exactly how to rebuild
