单项选择题
Most people tend to think they are so efficient at their job that they are （）
A．inaccessible B．irreversible C．immovable D．irreplaceable
单项选择题 A visitor to a museum today would notice （）changes in the way museums are operated.
单项选择题 The little girl was （）by the death of her dog since her affection for the pet had been real and deep.
单项选择题 Each workday, the workers followed the same schedules and rarely （）from this routine.
