always finishing her task well within the shortest time. ______, she performs effectively.

Do you know anything about Chinese knots (中国结)— Yes. They are usually regarded ______ symbols of good luck.

He is only _______ boy. He isn’t old enough to take care of himself.

Mo Yan, ___ famous Chinese writer, became_____country’s first Nobel Literature Prize Laureate(诺贝尔文学奖).

下列各组划线词的活用现象全都相同的一组是（ ）