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高三英语限时练习十一
完形填空(时间: 10 分钟)
Ero Carrera is watching the computer screen in a lab in California as
he tracks a new computer virus slowly circling the globe, targeting cell
phones. Working from the US office of the Finnish computer
21
firm,
Carrera
knows this
virus could be the start
of something big and
22
. He’s
one of a couple of hundred
“virus hunters
” worldwide who guard computers
and cell
phones from
23
. That ’s the job
for
these unlikely
action
heroes
of the Internet age, where quick and curious minds are more important than
strong 24 .
Carrera
works with
Tzvetan Chaliavski
to form the
two-man team in
California.
Like that
of other
employees in
the anti-virus
companies in
the
world,
their
work is
at
the battle
front
of providing
25
from
the damaging of computer
virus, worms and Trojans. They break down software to discover a new virus
and crack its code. Then they
26 and ship out a software update to
customers. Roughly 300 new samples of viruses await the pair on a(n)
27
day.
Carrera has created a mathematical formula(
公式 ), to 28 easily the
software
structure
of
viruses.
With it,
he is
better
able
to
compare the many
variants(
变种 ) and families
of
malware( 恶意软件 ). To his
29
,
Chaliavski,
it doesn’t even matter why someonewould create
a virus.
All
that 30 is
the hunt.
21. A. advertising
B. commercial
C. printing
D.
security
22. A. admiring
B. exciting
C. inviting
D.
threatening
23.
A. attack
B. bombing
C. competition
D.
struggle
24.
A. heads
B. feelings
C. muscles
D. spirits
25.
A. access
B. contact
C. measures
D. protection
26.
A. copy
B. create
C. delete
D.
download
27.
A. average
B. original
C. previous
D.
special
28.
A. get off
B. make out
C. pick up
D. take in
29.
A. assistant
B. manager
C. partner
D. secretary
30.
A. ignores
B. matters
C. overlooks
D.
rejects
语法填空(时间: 10 分钟)
BEIJING, March 13 (Xinhua)
-- China has prepared
plans to
cope with
even
____31_____ (big) difficulties in the financial crisis and is ready to put
forward new stimu
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