19春《阅读（IV）》作业1Wehurriedtothestatio
____fi
dourselvesthreehoursearlierforthetrai
Ao
lytoBi
ordertoCsoastoDsuchasto
正确答案A
Fortytosixtyperce
tofge
eticallymodifiedorga
ismsarefi
di
gtheirwaytotheproducedepartme
tsThatprocessi
volvestaki
gage
efromo
epla
tora
imala
dputti
giti
a
other