单项选择题

The amount of time spent watching television in the average household in the United States has risen steadily since television sets were introduced in the 1950’s.

A. discreetly
B. consistently
C. automatically
D. disproportionately
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单项选择题
Engineering ethics a compulsory in every institute of science and technology in the United States.
A．Right
B．Wrong
C．Not mentioned
单项选择题
Emily Greene Balch’s steadfast labor for freedom and for cooperation among individuals and peoples brought her the Nobel Peace Prize in 1946.
A. unwavering
B. accelerated
C. uninhibited
D. aggressive
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