[单项选择]According to basic Economics Theory, As compared with acting independently, a group of oligopolistic companies operating with perfect cooperation will most likely experience an increase in :（）
A. both output and prices.
B. neither output nor prices.
C. prices and a decrease in output.

[单项选择]The basic theory of government rests on the assumption that men have naturally （） interests.
A. competitive
B. conflicting
C. contentions
D. combative

[单项选择]According to the passage, economics is ______.
A. different from sciences such as medicine
B. similar to other social sciences because it is imprecise
C. similar 1o other social sciences because a lot of nonsense is talked about it
D. different from social sciences which try to forecast the way people behave

[单项选择]

Passage Two
Compared with the robot, the human worker is undoubtedly superior. He is capable of performing a wider variety of work.
Moreover, he is able to adapt his working pattern in order to cope with changing situations which the robot cannot do. On the other hand, the human worker is relatively weak and cannot tolerate work in extreme conditions such as extremely high or low temperatures.
Consequently, we find humans and robots working together in many areas of work. Robots are used to perform dangerous tasks so that their human operators need not risk their lives. To handle harmful radioactive materials, such as uranium (铀), robots in the form of machined arms are used so the human operators can stay from the fatal rays.
Another advantage of the robot is that it never complains about long working hours or that it is boring. It works around the clock and performs equally well in any situation. It needs little servicing and absolutely no
A. robots never complain about the tiring work
B. the management can pay little and benefit a lot
C. it is dangerous for humans to do some harmful work
D. they have their own weaknesses and advantages

[单项选择]Compared with SoBig. F, Blaster was a virus that was______.
A. more destructive
B. more humorous
C. less vulnerable
D. less noticeable

[单项选择]Speech act theory is an important theory in the ______ study of language.
A. semantic
B. pragmatic
C. phonetic
D. morphological

[单项选择]Theory X holds that:
A. Quality improvements lie in the hands of quality circle
B. Profits are tied to meeting schedule deadline
C. Absenteeism is tied to poor working condition
D. Workers are inherently unmotivated and need strong guidanc

[单项选择]The Naming Theory is advanced by
A. Plato.
B. Bloomfield.
C. Geoffrey Leech.
D. Firth.