2019年mpa考试英语真题——介词和介词短语269

{01}Medical research has shown that the widespread use of cigarettes ________ the increase of cancers．
A.results from
B.contributes to
C.devotes to
D.donates to
解析：
本题选B。
{02}As a secretary, your duties ________ typing letters and answering the phone．
A.contain
B.include
C.have
D.make up
解析：
本题选B。