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