2019年mba考试英语模拟题——连词242

{01}According to the report, this virus was never known, which had claimed countless lives, _____ it was
accidentally found by a doctor.  
A.unless
B.since
C.so that
D.until
解析：
本题选D。

{02}A study reveals that more than half of Americans lose their TV remote between one and five
times a week,____11 percent misplace it six to ten times.
A.when
B.as
C.while
D.but
解析：
本题选C。