2019年mpa考试英语真题——连词562

{01}All people, _____ they are old or young, rich or poor, have been trying their best to help those in need since the disaster.
A.even if
B.whether
C.no matter
D.however
解析：
本题选B。

{02In time of serious accidents _____ we know some basic things about first aid, we can save lives. A.whether
B.until
C.if
D.unless
解析：
本题选C。