2019年mpacc考试英语真题——介词和介词短语1362

{01}       increasing the distance of your walks, you may lose more weight.
A.By
B.From
C.On
D.For
解析：
本题选A。

{02}Scientists say human activity contributes to climate change, but they do not agree on the rate
______ climate change may be developing.
A.with which      
B.with that        
C.at which          
D.at that
解析：
本题选C。