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Part I
Directions: There are three passages in this part. Each
passage is followed by some questions or unfinished statements. For each of them there are four choices marked A, B, C and D. You should decide on the best choice and blacken
the corresponding letter on the Answer Sheet
Passage 1
Questions I to 5 are based on the following passage: Spending 50 minutes with a cell phone close to your
change brain
cell activity
in the part
of the
。
Reading Comprehension (30%)
北京成人本科学士学位英语考试真题及答案
1
北京地区成人本科学士学位英语统一考试
ear is enough to
brain closest to the antenna( 天线 ). But whether that causes
any harm is not clear, scientists at the National Institute of Health said will not likely and brain cancer.
at
a conference
last month, adding
a link
that the study
phones
settle concerns of between cell
“What we showed is glucose ( 葡萄糖 )
the NIH, whose
brain
metabolism( 代谢 )(a sign of brain activity) increases in the brain in people who were exposed to a cell phone in the area closest
to the antenna, ” said
Dr. Nora Volkow of
study was published in the Journal of the American Medical Association.
(76) The study
was meant to examine how the
reacts to electromagnetic fields caused by wireless phone signals 。
Volkow said she was surprised that the weak
electromagnetic radiation( 电磁辐射 ) from cell phones could
affect brain activity, but she said the findings do not shed any light on whether cell phones cause cancer.
“This study
radiation has increased
。
does not in any way indicate that. What the study does is to show the from cell
humanbrain
is sensitive
to electromagnetic
the devices
phone exposures 。” Use of
dramatically since they were introduced in the early 1980s, with about 5 billion cell phones now in use worldwide
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Some studies have linked cell phone exposure to an
increased
risk of brain
cancers, but a large
World examined
study bu the
Health Organization did not offer a clear answer to this. Volkow’s team studied 47 people who had their brain while a cell phone was turned on for 50 minutes and another while the phone was turned off. While there was no complete change in brain metabolism, they found a 7 percent increase in brain metabolism in the region closest to the cell phone antenna when the phone was on
。
(77)Experts said the results were interesting, but
urged that
they be understood
with great
care. “ Although the
JAMA.
biological significance, if any, of increased glucose metabolism from too much cell phone exposure is unknown, the results require further investigation,
” Henry Lai of the
in
University of Washington in the U.S. and Dr. Lennart Hardell
of University
Hospital
in Sweden, wrote
in an article
“Much has to be done to further investigate and understand these effects 。” They wrote 。
1D
2C
3B
to the passage, which of the
Cell phone use is dangerous 。
Cell phone use causes cancer 。
The human brain is an electromagnetic
4C 5A
According
1.
B.
field
。
C.
following is TRUE?
A.
D. There are about 5 billion cell phone users in the world
right now 。
2.
______。
A. her research has shed light on her understanding of
cell phone
B. she found that cell phone exposure is harmful to human
brain
Doctor Volkow was astonished because
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C. she found that using a cell phone for about 50 minutes
could influence or change brain activity
D. human brain is not responsive to electromagnetic
radiation
3.
were launched _______
A.
1980 and 1985
C.
1990s
4.
in the second paragraph?
A.
B.
C.
cancer 。
in the late 1970s
in the late 1980s
What does the
word
According to the passage, cell phones 。
B. between
D. in the early
“that ” stand for
Brain activity 。
Her research findings 。
The fact that cell phone use may cause
Her research progress
D. 。
5. Which of the following is an appropriate title
for this passage?
A. B.
Cell Phone Radiation: Is It Harmful? Cell Phone Radiati0n: Is It Useful? Cell Phone Radiation: Is It Healthy? Cell Phone Radiation: Is It Weak?
the following
passage:
C.
entirely
Human beings have always had an ability to attend to
several things at once. (78) Nor is electronic multitasking
new: We’ve been driving
while listening
to car radios
since they became popular in the 1930s. but there is no doubt that multitasking has reached a kind of warp speed in the era of Web-enabled computers, when it
has becomeroutine
to conduct
D. Passage 2
Questions 6 to 10 are based on
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several IM(
及时通讯 )conversations, watch TV and use the
。
computer all at once
And But what’s the impact of this media consumption? how are these
multitasking devices changing how kids learn, reason and communicate with one
and another ?Social scientists educators are just beginning to deal with these
but questions,
the researchers already have some strong opinions
(79)Although multitasking
kids may be better
。
prepared
that are
And 视
not just
任务
。
in some ways for today ’ s fast-paced work placed, Many scientists
are positively
alarmed by the
trend 。 Kids
instant messaging while doing homework, playing games online and watching TV, aren ’t going to do well in the long run
On the positive side, multitasking students tend to
good at finding and using
be extraordinarily information.
probably because modern childhood centers around visual( 觉的 )rather than print media, they are especially skilled at analyzing visual data and images
。
Many educators and psychologists say parents need to
actively ensure that their teenagers break free of
uncontrollable engagement with screens and spend time in the physical
company of
humanbeings —a growing challenge
because technology offers such a handy option but because so many teenagers and college students say overcommitted( 过量的 )schedules drives much of their multitasking
kids that
6D 7C
6. What is the main idea of this passage?
age?
B. How do people see new technology and the social change it
brings about?
A. Howis multitasking
define
8A
9D
10C
Just as important it ’s valuable,
is for parents even essential,
and educator
。
to teach
slow
。
to occasionally
down, unplugs and take time to enjoy life beyond the screen
( 定义 )in the information
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C. How does technology change modern family life?
of multitasking on young people? D. What’s the impact
7. The expression is “warp speed” in the first paragraph
closest in meaning to____ 。
A. Low speed
B. Too much time alone
C. high speed
D. steady speed
8. According to some teenagers and college
B. Too much time alone
C. Inability to focus
D. Fear of being neglected
9. According to the passage, which of the following
statement is TRUE?
A. Humans have begun to engage in the multitasking behaviors since the information age 。
B. Multitasking
required to learn at school
ia critical s
。
skill
that students
are
students ,what causes their multitasking?
A. Overcommitted schedules
。
C. Only parents can help their kids to get rid of the
multitasking habits 。
D. multitasking may prepare students for the reality ’s
of today fast-paces work environment 。
10. What do educators and psychologist advise to do their multitasking kids?
A. To cut off home internet connection
B. To seek medical treatment
D. to help their kids to set personal goals
。
。
。
parents
C. To encourage their kids to have some social life
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北京成人本科学士学位英语考试真题及答案
