解决问题型大学英语四级作文
　　(a)　　Nobody
could
have
failed
tonotice
thefact
that
wasting
hasbecome
agrave
problem
inmany
campuses.
Inthedining
hall,
much
food
areleft
intheplates
anddumped
into
thetrash
can.
Intheclassroom,
blank
orhalf
blank
pieces
ofpaper
areleft
onthedesks.
Inthedorm
building,
taps
areleft
open
andwater
left
running
ordripping
allthetime.
Andthere
canbemore
such
examples.
　　Inview
oftheexpanding
population
andtheshortage
ofvarious
resources,
wasting
isreally
aharmful
habit.
Itputstrains ...