2019年mpacc考试英语真题——介词和介词短语2038

{01}. ______ understanding the challenges faced by the world’s poorest people can we expect a new future
free of extreme poverty and hunger.

A.On

B.Through

C.Only

D.Only by

解析：略
本题选D。
{02} He rarely switches on to hear any of the classical music he claims to be so keen ____.

A.to

B.on

C.by

D.into

解析：略
本题选B。
{03}. Lion: Want to have a fight, little dog?
Dog: No. I don’t want to fight an animal that is ______extinction(灭绝). My master told me that we should protect endangered animals.

A.on the edge of

B.in the way to

C.about to

D.due to

解析：略
本题选A。