A domestic robot differs from an industrial one in that it______.
A. will be much more effective
B. will be more intellectual
C. will be automatically controlled
D. will be more energy-saving
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From the information given in the passage, most minerals would melt fastest______.
A. at 4 000 F. , at sea level
B. at 4 000 F. , 5 000 feet below sea level
C. at 4 000 F. , 5 000 feet above sea level
D. in the absence of oxygen
At 5:30 pm on ______, you can telephone the museum for information.
A. Sunday
B. Saturday
C. Monday
D. Sunday and Saturday
According to the passage, people______.
A. can not work better in a noisy situation
B. will suffer from complete deafness because of noise pollution
C. can be psychologically affected by working in very noisy factories
D. may cooperate well in a noisy surrounding
Researchers are finding that______.
A. heart disease and cancer are the most common killers of human beings
B. blood pressure and brain function are decided by cycles of sun, moon and seasons
C. the functions of human bodies have much to do with nature
D. any change in human bodies goes systematically with changes in the environment
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