1、【
单选题
】
“Marine cloud whitening” has an effect on global warming by ________.
[4分]
、
cutting sunlight
、
sending cold air into space
、
cooling water in the air
、
cooling air with water
答案:
2、【
单选题
】
The underlined word “longevity” in the second paragraph means “________”.
[4分]
、
health
、
long life
、
ageing
、
effect
答案:
3、【
单选题
】
Scientists and experts have proved that the pattern of a human being’s finger skin ________.
[4分]
、
is similar to his mother’s
、
is valuable to himself only
、
is like that of others with the same type of blood
、
is different from that of all others
答案:
4、【
单选题
】
According to UC Berkeley’s new findings, the benefit of a nap is that ________.
[4分]
、
it helps to fix a napper’s sleepwake cycle
、
it makes hard learning tasks not difficult any more
、
it allows the brain to make room for new learning
、
it gives nappers chances to clear their memory storage
答案:
5、【
单选题
】
According to the passage, the credit card makes its owner ________.
[4分]
、
withdraw as much money from the bank as he wishes
、
obtain more convenient services than other people do
、
enjoy greater trust from the storekeeper
、
cash money where he wishes to
答案:
6、【
单选题
】
From the last sentence of the first paragraph we learn that ________.
[4分]
、
in the future all the Americans will use credit cards
、
nowadays many Americans do not pay in cash
、
it is now more convenient to use credit cards than before
、
credit cards are mainly used in the United States today
答案:
7、【
单选题
】
The text mainly talks about________.
[4分]
、
men’s heart cells
、
women’s ageing process
、
the gender difference
、
hearts and long life
答案:
8、【
单选题
】
Matthew Walker’s study shows that ________.
[4分]
、
learning ability in the morning is usually higher than that in the afternoon
、
extra working hours before an exam can make up for the lack of daily efforts
、
the size of the effects of napping depends on when it is taken
、
staying up late before an exam does not necessarily improve students’ exam performance
答案:
9、【
单选题
】
If your fingers are wounded by knife, fire or other means, the structure of skin will ________.
[4分]
、
be changed partly
、
be replaced by a different one
、
be the same when the wound is recovered
、
become ugly
答案:
10、【
单选题
】
The fourth paragraph mainly tells us ________.
[4分]
、
ways to deal with climate change
、
the costs to deal with climate change
、
cloud whitening costs much less than other projects
、
leading nations waste much money in cutting CO2 emissions
答案:
11、【
单选题
】
The phrase “ring up sales” most probably means ________(Para. 2).
[4分]
、
make an order of goods
、
record sales on a cash register
、
call the sales manager
、
keep track of the goods in stock
答案:
12、【
单选题
】
Some criminals remove their own fingerprints by ________.
[4分]
、
using printer’s ink
、
injuring the inner skin
、
damaging the outer skin
、
damaging the colour
答案:
13、【
单选题
】
According to the text, the UK scientists have known that________.
[4分]
、
men have fewer cells than women when they are born
、
women can produce the cells that make the heart beat
、
the female heart suffers less loss of the cells as she ages
、
women will never suffer the loss of pumping power as they age
答案:
14、【
单选题
】
Compared to other projects, cloud whitening ________.
[4分]
、
has a greater effect on volcanoes
、
will bring more benefits
、
will benefit man’s health most
、
can reduce temperatures in a better way
答案:
15、【
单选题
】
The two research teams mentioned in the text may both agree that ________.
[4分]
、
people’s sleepwake cycle decides the length of the midday nap
、
sufficient sleep betters people’s learning performance
、
scientific experiments are undependable as the results are often hard to judge
、
the differences in their findings result from different methods applied
答案:
16、【
单选题
】
What can we learn from this passage?
[4分]
、
Rolling your eyes can stop you from napping.
、
Some people might move themselves when sleeping.
、
College students tend to study late into night before important exams.
、
Sleeping once over 24 hours is much better than daytime napping.
答案:
17、【
单选题
】
If you want to live a long life, you should________.
[4分]
、
enable your heart to beat much faster
、
think about the reason for ageing
、
take regular exercise to keep your heart healthy
、
stop your cells from being lost
答案:
18、【
单选题
】
Fingerprints have often been used as a method of solving criminal cases because it ________.
[4分]
、
is complicated but reliable
、
is simple and not expensive
、
is expensive but easy to do
、
can bring a lot of money
答案:
19、【
单选题
】
What is this passage mainly about?
[4分]
、
Approaches to the commercial use of computers.
、
Conveniences brought about by computers in business.
、
Significance of automation in commercial companies.
、
Advantages of credit cards in business.
答案:
20、【
单选题
】
It can be learned from the last two paragraphs that cloud whitening ________.
[4分]
、
helps us learn more about global warming
、
means cutting CO2 emissions
、
is the best way to deal with climate change
、
can’t stop global warming basically
答案:
21、【
单选题
】
If sleep mode goes wrong,what will probably happen to your computer?
[4分]
、
It will consume as little energy as possible.
、
It is more likely to be damaged by a virus picked up from the Internet.
、
It will have to be rebooted when used again.
、
It has to be shut down and unplugged.
答案:
22、【
单选题
】
It can be inferred that ________.
[4分]
、
computers will bring disaster
、
computer industry will not develop faster
、
computers will bring about more convenience to people’s life
、
computers can only be used in banks
答案:
23、【
单选题
】
Which of the following is NOT mentioned in the text that contributes to the different amount of energy a computer consumes?
[4分]
、
Whether it is a laptop or a desktop computer.
、
What kind of work the computer is dealing with.
、
The choice of how you use your computer.
、
Whether the operating systems are new.
答案:
24、【
单选题
】
When does a computer consume the most energy?
[4分]
、
When we let it remain idle.
、
When we use it to do complex calculations.
、
When we use it to type some documents and email.
、
When we use it for surfing the Internet.
答案:
25、【
单选题
】
The reason why a desktop computer uses more energy than a laptop computer is that________.
[4分]
、
a desktop computer’s monitor is separate and often larger
、
a desktop computer is larger than a laptop computer in size
、
a desktop computer performs more kinds of work than a laptop computer
、
a desktop computer is not energyefficient
答案:
26、【
单选题
】
Which of the following is implied in the first two paragraphs?
[4分]
、
Frequent starting and stopping can damage a computer.
、
A computer’s longevity depends more on the proper way you use it.
、
A virus picked up from the Internet is likely to damage a computer.
、
The more often you use a computer,the more smoothly it works.
答案: