问题
选择题
March 5th is the official “Learning from Lei Feng Day” when people are ______to learn from Lei Feng, a cultural image symbolizing selflessness and contribution.
A．called on
B．called up
C．called in
D．called off
答案
答案：A
题目分析：call on 号召；call up 打电话； call in 下令收回；call off 取消；句意：三月五日是号召人们学习雷锋的官方“学雷锋日”，雷锋是一个象征着无私和奉献的文化形象。