2019年mba考试英语模拟题——连词915

{01}______ it is important to have enough exercise, many people find the excuse that they can"t find the time.  
A.When
B.That
C.While
D.As
解析：
本题选C。

{02}She was very hardworking ________he was very lazy.As a result，she passed the examination，but he
failed.
A.when 
B.since  
C.while  
D.as
解析：
本题选C。