2019年mpa考试英语真题——非谓语动词386

{01}Recorders _________ in the examination must be prepared with great care to make sure nothing goes wrong in operation.
A.to be used
B.used
C.to use
D.being used
解析：该题考查动词不定式的被动语态作后置定语，修饰、限定recorders，意为“将被应用于考试的录音机”。
本题选A。
{02}________ in thought, he bumped into a tree and hurt his forehead．
A.Losing
B.Lost
C.Lost himself
D.Missed
解析：
本题选B。