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Ⅰ.阅读理解
On
January
7,
David
Bennett
went
into
the
operating
room
at
the
University
of
Maryland
Medical
Center
for
a
surgical
procedure
never
performed
before
on
a
human.
The
57-year-old
Maryland
resident
had
been
hospitalized
for
months
due
to
a
life
threatening
disease.
His
heart
was
failing
him
and
he
needed
a
new
one.
Bennetts
condition
left
him
unresponsive
to
treatment
and
ineligible
(不 合 格 )
for
the
transplant
list
or
an
artificial
heart
pump.
The
physician-scientists
at
the
center,
however,
had
another
also
risky-option:
transplant
(移植)
a
heart
from
a
geneticaly-modified
pig.
“It
was
either
die
or
do
this
transplant,”
Bennett
had
told
surgeons
a
day
before
the
operation.
“I
want
to
live.
I
know
its
a
shot
in
the
dark,
but
its
also
my
last
choice.”
It
took
the
medical
team
eight
hours
to
finish
the
operation,
making
Bennett
the
first
human
to
successfuly
receive
a
pigs
heart.
“Its
working
and
it
looks
normal.
We
are
thriled,
but
we
dont
know
what
tomorrow
wil
bring
us.
This
has
never
been
done
before,”
Barkley
Griffith,
who
led
the
transplant
team,
told
the
New
York
Times.
While
its
only
been
five
days
since
the
operation,
the
surgeons
say
that
Bennetts
new
pig
heart
was,
so
far,
functioning
as
expected
and
his
body
wasnt
rejecting
(排斥)
the
organ.
They
are
stil
monitoring
his
condition
closely.
“I
think
its
extremely
exciting,”
says
Robert
Montgomery,
transplant
surgeon
and
director
of
the
NYU
Langone
Transplant
Institute,
who
was
not
involved
in
Be