理工类---A级
Cell Phones Increase Traffic, Pedestrian
Fatalities
1. The two new studies, lead-authored by
Professor Peter D.
Loeb
A. show that talking on the phone while driving
or walking in the street increases deaths of
drivers and
pedestrians.
B. show that talking on the phone while driving
increases
pedestrian deaths.
C.
recommend that
strict measures be taken to
restrain cell phone use.
D. both A and C.
2. According to the second paragraph, when did
cell phones
actually help to reduce
pedestrian and traffic
fatalities?
A. Right after cell phones were invented.
B. Before the number of cell phone users reached
a
critical mass
C. When cell phone users totaled to a certain
number.
D. When the number of cell phones decreased to a
certain number.
3. What is said about cell phone use in
paragraph 4 ?
A. The number of cell phones in use exploded in
the late 1980s and part of the 1990s.
B. The number of
traffic deaths was reduced in
the late 1980s and part of the 1990s due to cell phone use.
C. Cell phone users are likely to be involved in
traffic accidents.
D. The use of cell phones has a life-saving
effect for pedestrians and drivers.
4. What is said about cell phone use in the
mid-1980s in
paragraph 5?
A. It had a life-taking effect because there
weren't enough cell phones in use then.
B. The increased use of cell phones then caused a
"life-taking effect. "
C. Traffic fatalities increased then because the
number of cell phones in use decreased.
D. Traffic fatalities decreased
then because the number of cell phones in use increased.
5. Which of the following statements DOES NOT
answer the question "What caused the "life-saving effect" to occur
in the early 1990s?"
A. There
were more cell phone users during that period.
B. The
number of cell phone users reached about 100 million.
C. More
cell phones were used to call 911 when accidents occurred.
D. Cell
phones enabled people to have quick
access to 911 services.
How the First Stars in the Universe Came into
Existence
1. What can the state-of-the-art computer
simulation tell us about?
A How matter began to form the first stars after
the Big Bang.
B How the Big Bang marked the
beginning of our
universe.
C How the Big Bang took place about 13 billion
years ago.
D How dust grains and gases form after the Big
Bang.
2. What does the "astronomical object"
(
paragraph 2 . refer to?
A The early universe.
B Cosmic dark ages.
C The first star formed in the universe.
D Dust grains and gases.
3. What does the word "minute" mean in the
expression "minute
density variations" ?
A A unit of time equal to one sixtieth of an
hour.
B A short
interval of time.
C Exceptionally large.
D Exceptionally small.
4. According to
paragraph 4, what is NOT true
about a protostar?
A It had a mass of one percent of the sun.
B It was developed into a
massive star before the
Big Bang.
C It began to
combine heavy elements after it
evolved into a
massive star.
D It was evolved from pre-stellar gases.
5. All except one of the following indicate
the goals of the simulation project. Which one is it?
A To know more about the mass and properties of
the first stars of the universe.
B To apply the simulation to the study of nuclear
reaction initiation.
C To know how a stellar object becomes a true
star.
D To
obtain a detailed picture of the early
universe before the Big Bang.
Too Little for Global Warming
1. What do the authors of the new analysis
presented at the University of Uppsala intend to say?
A. The burning of coal will
accelerate the
arrival of Earth's
doomsday.
B. The oil reserves are big enough to materialize the doomsday
scenarios.
C. Melting ice caps and searing temperatures exist only in science
fiction.
D. Oil and gas will run out so fast that Earth's doomsday will
never materialize.
2. Nations that signed the Kyoto Protocol
agree to
A. pay attention to global
meltdown.
B. cut CO2 emissions.
C.
use more green
energy.
D. stop using
fossil fuels.
3. What are the estimates of the world's oil
and gas reserves?
A.
4,000
billion barrels by the average forecast. B.
8,000
billion barrels estimated by the
Swedes.
C. 3,500 barrels envisaged by
IPCC.
D. 3,500
billion by a growing number of scientists.
4. Which of the following about Nebojsa
Nakicenovic is true?
A.
He thinks
fossil fuels are as dirty as oil and gas.
B.
He thinks green fuels will
replace oil and gas eventually.
C.
He thinks IPCC's view on the world's oil reserves is too
optimistic.
D.
He thinks that IPCC's estimates are more optimistic than the
Swedes.
5. Which of the following is the near
explanation of Nakicenovic's
assertion that "... such a
switch would be
disastrous ..."?
A. The IPCC scenarios would come true because burning coal will
emit larger amounts of CO2.
B.
A
switch to burning coal would produce
disastrous environmental
problems.
C.
Oil and gas to
replace coal as fuel would speed up the process of
global
warming.
D. A
switch from the IPCC scenarios to the policymakers' ones would
be disastrous.
U.S. Scientists Confirm Water on Mars
1.
What was discovered by NASA's Phoenix Mars Lander
on Mars?
A
Vast
lakes.
B Flowing rivers.
C
Water in a soil
sample.
D Living things.
2. Why did the first two attempts to deliver
samples fail?
A
The
sample vaporized
away.
B Fresh material was exposed to the air.
C
The samples got stuck inside the
scoop.
D The robotic arm hit a hard rock.
3. Which one of the following statements is
NOT meant by the writer?
A
Scientists have been
trying to break the ice-rich layers of soil on
Mars.
B
Scientists have been surprised by how the soil on Mars behaves.
C
Scientists have been
trying to find out if there is life supporting
material on Mars.
D
Scientists have been
trying to know if water ice will melt.
4. Where are the scientists involved in the
research from?
A
They are from
America.
B They are from Canada.
C
They are from both America and
Canada.
D They are from neither America
nor Canada.
5. Which of the following do you think is the
best
description of Phoenix's Surface Stereo Imager
camera,
according to your understanding of the passage?
A
It imitates human
vision and is able to
capture three-dimensional
images.
B It imitates
human voice and is able to record slight sounds while taking
photos.
C
It takes clear photos that show every detail of the object.
D
It is this particular type of camera that can take wide angle
pictures.
"Hidden" Species May Be Surprisingly
Common
1. Which of the following about the
significance of the
research on cryptic
species is NOT true?
A The results of the
research can help the
development of many other
research areas.
B The results of the
research can help the
development of biodiversity estimates.
C The results of the
research can help our
understanding of
infectious disease evolution.
D The results of the
research can help our
understanding of "survival of the fittest. "
2. What was scientists' understanding of
cryptic species?
A They occurred in equal numbers in all
biogeographical regions.
B They were
mostly found in insects and
reptiles.
C They were likely to be in
tropical rather than
temperate regions.
D Both Band C.
3. Do scientists know how many cryptic species
exist?
A Not
yet.
C They will know the answer in another one or
two-years.
B Yes, they
do.
D They will never know the answer.
4. Which of the following about the African
bush
elephant and the African
elephant is true?
A The WCU are interbreeding those elephants.
B They are interbreeding species.
C They are two genetically distant species.
D They depend on each other for survival.
5. People were confused in their attempts to
control
malaria in Europe in the early 1900s. because
scientists
A identified only one
mosquitospecies instead of
six species.
B thought only three
mosquitospecies transmitted
disease.
C thought there was only one mosquito
species.
D did not know what
species was being
studied.
Thirsty in Karachi
1. According to the passage, people in Karachi today suffer from
a short supply of water because
A. the water supply
network built in 1947 has stopped to
function.
B. the city has become much larger than before.
C. old networks can not meet the need of the city's
greatly-increased population.
D. other city is longer a part of British India.
2. Now people in Karachi do
not hide or
disguise the suction pumps they use to steal water
because
A. the pumps are no longer wanted as garden ornaments.
B. water supply board officials no longer
confiscate them.
C. it does not cost much money to buy a new one.
D. many households have them and there are very few inspectors
around to try to find them.
3. Confronted with a
severeshortage of water
supply, the city's Water and Sewerage Board
A. tries to improve the water supply
system with borrowed
money.
B. is not making any effort to improve the situation.
C. urges the consumers to obey the law.
D. charges the consumers more for the water they use.
4. Which of the following is true of the
owners of the suction pumps, if their neighbors have equally
powerful pumps as they do?
A. They get some extra water.
B. They only pay more for electricity.
C. They share what they can get with their neighbors.
D. They
replace their pumps with new ones.
5. Which of the following is true about the
author when he is back home in London?
A. He misses the days he spent in Karachi.
B. He forgets the complaints he made in Karachi.
C. He is content with the water supply in London.
D. he complains about the water supply in London.
Listening to Birdsong
1.
What does the first
paragraph say about zebra
finches?
A Male zebra finches like to sing to
female zebra
finches.
B Male zebra finches sing louder than female
zebra finches.
C Male zebra finches change their songs in female
zebra finches' presence.
D Male zebra finches like to listen to female
zebra finches sing.
2. What did the researchers find in their study
of
female zebra finches?
A Female finches liked songs male finches sang
for them.
B Female finches only liked songs male finches
sang for their mates.
C Female finches liked to listen to songs from
both speakers.
D Female finches chose the best male singers as
their mates.
3. What is meant by "concert songs" in the
seventh paragraph?
A Songs sung by zebra finches at a concert.
B Songs sung by male finches for female
finches.
C Songs sung by
female finches for male
finches.
D Songs sung by male finches to many female
finches.
4. What is NOT tree of directed
communication?
A The sender of a message has a specific
audience.
B Male zebra finches sing to
female finches.
C Mothers talk to their babies.
D Male zebra finches sing to themselves.
5. Which of the following can best
reflect the
theme of the passage?
A Chirping away.
B Birdsongs as communication.
C Zebra finches and their life.
D Enjoying birdsongs.
Renewable Energy Sources
1. What are the
energy resources that are not
renewable according to the article?
A. Petroleum and coal.
B. Natural gas.
C. Wind and water.
D. A and B.
2. China's Three Gorges Dam
A. is the
first hydroelectric dam in the world.