1、【
单选题
】
Scientists are not sure why we need sleep.
[1分]
、
Right
、
Wrong
、
Not Mentioned
答案：
2、【
单选题
】
People sleep less than they used to.
[1分]
、
Right
、
Wrong
、
Not Mentioned
答案：
3、【
单选题
】
Paragraph 3
.
[1分]
答案：
4、【
单选题
】
Paragraph 4 _________.
[1分]
答案：
5、【
单选题
】
Paragraph 5 _________.
[1分]
答案：
6、【
单选题
】
Paragraph 6 _________.
[1分]
答案：
7、【
单选题
】
Retention refers to _________.
[1分]
答案：
8、【
单选题
】
The rate of forgetting is the same _________.
[1分]
答案：
9、【
单选题
】
Remembering something all your life _________.
[1分]
答案：
10、【
单选题
】
Exercising your brain every day is beneficial _________.
[1分]
答案：
11、【
单选题
】
Which of the following is NOT mentioned as one of the things that living longer might enable an individual to do?
[3分]
、
Spending more time with his family.
、
Having more education.
、
Realizing more dreams.
、
Working longer.
答案：
12、【
单选题
】
Which of the following is implied in the sixth paragraph?
[3分]
、
Marriages in the US today are quite unstable.
、
More and more people in the US today want to get married.
、
Living longer would make it easier for people to maintain their marital ties.
、
If people live longer ，they would stay in marriage longer.
答案：
13、【
单选题
】
All of the following are possible effects living longer might have on working life EXCEPT
[3分]
、
Communication between employers and employees would be more difficult.
、
More money would be used by employees in payment of their employees.
、
The job market would be more competitive.
、
It would be more difficult for young people to be promoted to top positions.
答案：
14、【
单选题
】
An important feature of a society in which people live a long life is that
[3分]
、
it places more emphasis on educating the young.
、
it is both wise and energetic.
、
it lacks the curiosity to experiment what is new.
、
it welcomes changes.
答案：
15、【
单选题
】
Which of the following best describes Callahan 's attitude to anti-ageing technology ?
[3分]
、
Optimistic.
、
Pessimistic.
、
Reserved.
、
Negative.
答案：
16、【
单选题
】
Before people found stone objects and animal bones in the north of European Russia, some experts thought human beings lived in that area about
[3分]
、
30 thousand years ago
、
20 thousand years ago
、
28 thousand years ago
、
15 thousand years ago
答案：
17、【
单选题
】
The following statements are true concerning the significance of the finding EXCEPT that
[3分]
、
it brings forwards the time in which ancient hunters lived in that area
、
it provides the evidence of a high level of ancient human society
、
it showed the unexpected ability of the early humans
、
it indicates the effect of climate on the movement of early human population
答案：
18、【
单选题
】
Which is the most important discovery among the findings
[3分]
、
A long elephant tusk.
、
Ancient stone tools.
、
123 bones from animals.
、
mammoth tusk covered with small cuts
答案：
19、【
单选题
】
How old is the tusk? About years old
[3分]
、
25 thousand
、
28 thousand
、
36 thousand
、
40 thousand
答案：
20、【
单选题
】
What did the ancient people need to survive in the extremely cold environment
[3分]
、
the ability to do the unexpected
、
a high level of social development
、
thick clothes
、
small animals to feed on
答案：
21、【
单选题
】
Gardening can bring lifelong happiness because
[3分]
、
it is a profitable business.
、
it can improve a gardener's ability to remake nature.
、
a gardener can enjoy a very happy relationship in marriage.
、
nature is an unexhausted source of joy
答案：
22、【
单选题
】
The research of the US university found that most people feel happy when they
[3分]
、
are at leisure.
、
take the job of gardening.
、
are after their goals.
、
own great properties.
答案：
23、【
单选题
】
Why does the writer mention "a man indulging in dreams of numerous lovers" (Lines 5 --6, Para. 3)?
[3分]
、
To demonstrate the problem in marriage in modern society.
、
To illustrate a radical way to achieve happiness.
、
To criticize those who do not value what they already have.
、
To indicate that happiness covers something besides the desire to gain
答案：
24、【
单选题
】
What kind of person is more likely to be unhappy according to the study?
[3分]
、
The one who has self-respect and confidence.
、
The one who is ambitious without consideration of his actual situation.
、
The one who can take pleasure in communicating with others.
、
The one who are ready to render help and accept help from others.
答案：
25、【
单选题
】
What is happiness?
[3分]
、
A transitory state of mind.
、
Getting everything what one desires.
、
An all-working and no-leisure life.
、
A desire based on our actual situation.
答案：
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