2019年mba考试英语模拟题——名词475

{01}-- Hello, Jessica! What happened?
-- I could not hear you clearly because my mobile phone could not receive a good _____.
A.sign
B.signal
C.symbol
D.mark
解析：
本题选B。

{02}His practice is in _________with his stated principles.
A.contribution    
B.conversion
C.convention    
D.contradiction
解析：
本题选D。