阅读理解（共15小题，计30分）阅读下面短文，从每小题A、B、C、D四个选项中，选出能回答所提问题的最佳答案。
MapsarepicturesofplacesYoumusthavesee
amapoftheworldofyourhomecou
trya
deve
ofyourhomecityTheyshowustow
scitiesroadsparksschoolshospitalsa
dmore
Therearealsoma
yothertypes类型ofmapsEachgivesaspecialki
dofi
formatio
Therearestreetmapstouristmapsa
deve
mapsoftheaira
dsea
Hereisasimpleroadmap
16Whichisthebiggesttow
o
themap
AGree
to

BBluetow

DBigtow
CSmalltow

17IfyoudrivefromSmalltow
toBluetow
whichisthebestwaytochoose
AM3
BM13
CM23
DR67
18Whatdoesthewritermai
lywa
ttotellus
AWaystochoosemaps
BWaystoreadmaps
CSometypesofmaps
DTheimporta
ceofmaps
fBItsthattimeoftheyeargraduatio
Thee
dofschoolyearis
earlyi
sighta
ditsa
especiallybigdealifyourefi
ishi
ghighschoolorcollegeO
eamazi
g16yearoldFloridagirlGraceBushgraduatedfrombothhighschoola
dcollegethisweekSheactuallygothercollegediplomabeforeherhighschooldiplomaHowdidshema
agetodothat