2.
7
Lis
t
tw
o
ele
m
en
ts
in
the
s
t
or
y
,
tha
t
y
ou
c
on
si
d
er
tr
a
it
s
of
sc
ien
c
e
fict
io
n
t
e
xts
•
T
echnological adv
ance
•
Aut
omatiz
ed
teaching
BA
CK
