2019年mpa考试英语真题——介词和介词短语159

{01}The cost of houses in Shanghai has ________ dropped by 20％, so he’s lucky enough to pay 523,000 yuan for one apartment．
A.by far
B.so far
C.as far
D.far from
解析：
本题选B。
{02}It is known to all that ________ you exercise regularly, you won’t keep good health．
A.unless
B.after
C.what
D.when
解析：unless意为“若非……除非……”。
本题选A。