Tounderstandthesentence,youshouldanalyzeitsparts________.
A、functionallyThereistheappreciationofthesalienthistoricaltruth________theagingofadvancedsocietieshasbeenasuddenchange
A、WhichThedoctorsare________abouttheguidelinesunderwhichtheycancarryouteuthanasia.
A、atastretchTheclothhadanaturallookwhichperfectly________theimageLaurasought.
A、turnedoutIfanearthquakeoccurred，someoftheone-storeyhouses________.
A、mightbeleftstand