企源知识库

11 . He was usually very kind, so his sudden________ greatly surprised us.
A、heartiness
B、unhappiness
C、harshness
D、uprightness
【正确答案】：C
【题目解析】：harshness的意思是“严肃、严厉”。原句的意思是“他一向和蔼可亲，所以他突然变得严厉起来确实使我感到吃惊”。因此我们选择C. harshness。