a
dsloweddow
orcha
geddirectio
．”可知答案为B。30．C细节理解题。根据末段中“Improveme
tstothesoftwarecouldbeasolutio
tothisproblem”可知关于无人驾驶汽车的软件需要进一步优化来解决安全问题。故选C。Ⅳ．31．
oisy32．villagers33．usually34．teeth35．meeti
gⅤ．36．takeashower37．doi
gherhomework38．artclub39．makefrie
ds40．isstrictwithⅥ．O
epossibleversio
Mybestfrie
dMybestfrie
disalsomyclassmate．Her
ameisLisa．Sheisfourtee
thesameageasmebutalittletallertha
me．Sheisvery
icea
dki
dhearted．MyE
glishusedtobeweak．Shesparedherfreetimetohelpmea
dthatmademygradesimprovealot．Shealsohelpsotherclassmatesi
ma
yways．Sheisalwayspopulari
ourclass．Lisaisalsoastro
gwilledgirl．Hermotherhasbee
illforma
yyearsa
dhastotakemedici
eallyearrou
d．Shepreparesdi
era
ddoeshouseworkafterschool．Althoughlifeishardforhershe
evercomplai
s．A
dIdoeverythi
gIca
tohelpherbecausesheismybestfrie
da
dwillalwaysbe．
fr