问题
选择题
On the annual International Volunteers Day, the world _____ the work of millions of people who give their time to help others.
A．abolishes
B．accompanies
C．acknowledges
D．appeals
答案
C
词义辨析. A.废除;废止 B陪同;陪伴 C.承认;答谢;报偿D.恳求.根据题意,在每年的国际志愿者日,世界各国都感谢亿万用自己时间去帮助别人的人所做的工作.选C.