We know from Paragraph 2 that debt boom in the last decades has
A. halted consumer booms.
B. won universal welcome.
C. promoted economic growth.
D. confronted strong suspicions.
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It can be inferred from the last paragraph that
A. sometimes competence and intelligence are unrelated.
B. some newsreaders are at a loss as to how they should perform. better.
C. newsreaders have to possess a high IQ to handle difficult stuff.
D. mass media have imposed great pressure on newsreaders.
By saying "their comparative immunity to the attractions of toil"(Line 4, Paragraph 3), the author means
A. Britons are healthy enough not to feel ill.
Britons have good immune system.
C. Britons are not keen on work.
D. Britons are afraid of hard work.
In the "high-amplitude sucking-preference procedure", stronger language preference is shown by
A. more sucking behaviors.
B. greater speech attentiveness.
C. more exposure to that language.
D. longer sucking time.
我国开始吸收并研究事故致因理论、事故预防理论和现代安全生产管理思想是在()。
A. 二十世纪五十年代
B. 二十世纪六七十年代
C. 二十世纪末