2019年mpa考试英语真题——其他568

{01}Radium salts，which have been found to ______ in bones，give rise to bone cancer.
A.pile up　
B.build up
C.keep up　
D.pull up
解析：考查短语辨析。build up(="accumulate)" 积累。pile up 堆积。keep up 保持，维持。 pull up 停车。根据句意选B。
本题选B。
{02}--- What happened to your shoes?
--- They want         .
A.to mend
B.being mended
C.mending
D.mended
解析：考查动词用法。want doing =" want" to be done需要（被）做，主动表被动，选C。
本题选C。