1、【
单选题
】
Paragraph 5__________
[1分]
答案：
2、【
单选题
】
One advantage of CD-RWs is that they can like floppy disks.
[1分]
答案：
3、【
单选题
】
The author predicts it will not before a new technology is invented for music recording.
[1分]
答案：
4、【
单选题
】
The laser beam-emitting device and the receiver are considered to of a CD player.
[1分]
答案：
5、【
单选题
】
Space probes could not without using digital codes.
[1分]
答案：
6、【
单选题
】
What determines your weight?
[3分]
、
Your working manner.
、
Your eating habit.
、
Your life style.
、
Your genes.
答案：
7、【
单选题
】
What did Jules Hirsch do in his study?
[3分]
、
He let the eight fat people skip supper.
、
He let the eight fat people skip breakfast.
、
He let the eight fat people run every morning and evening.
、
He gave the eight fat people a liquid formula providing 600 calories a day.
答案：
8、【
单选题
】
What happened to the eight fat people after they left the hospital?
[3分]
、
They went mad.
、
They killed themselves.
、
They were back to normal weight.
、
They attempted suicide.
答案：
9、【
单选题
】
What did Ethan Sims make his subjects do?
[3分]
、
Battle their genetic inheritance.
、
Increase their weight.
、
Stay at home.
、
Lower their weight.
答案：
10、【
单选题
】
What did scientists think was true?
[3分]
、
Each person has a fixed weight range.
、
Each person has a weight range of 9 kg.
、
Each person wants to control his weight.
、
Each person wants to eat to his heart’s content.
答案：
11、【
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：
12、【
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：
13、【
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：
14、【
单选题
】
How old is the tusk? About years old
[3分]
、
25 thousand
、
28 thousand
、
36 thousand
、
40 thousand
答案：
15、【
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：
16、【
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：
17、【
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：
18、【
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：
19、【
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：
20、【
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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