2019年mpacc考试英语真题——名词959

{01}His first novel was _       , and he hasn"t written anything decent since.    
A.a flash in the pan    
B.the flash in the pan    
C.in a flash          
D.like a flash
解析：
本题选A。

{02}AIDS control and prevention is  a          to China as well as the whole world.   
A.surprise  
B.challenge  
C.reaction  
D.threat
解析：
本题选B。