在绝对成本贸易模型和相对成本贸易模型中,当边际成本不变时,贸易参加国可实行____专业化分工。
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用标准输入流对象cin与提取操作符>>连用进行输入时，将（）与（）当作分隔符，使用（）成员函数进行输入时可以指定输入分隔符。
It is indicated in Paragraphs 1 and 2 that
A. [A] arts criticism has disappeared from big-city newspapers.
B. [B] English-language newspapers used to carry more arts reviews.
C. [C] high-quality newspapers retain a large body of readers.
D. [D] young readers doubt the suitability of criticism on dailies.
Newspaper reviews in England before World War II were characterized by
A. [A] free themes.
B. [B] casual style.
C. [C] elaborate layout.
D. [D] radical viewpoints.
Which of the following would Shaw and Newman most probably agree on?
A. [A] It is writers' duty to fulfill journalistic goals
B. [B] It is contemptible for writers to be journalists.
C. [C] Writers are likely to be tempted into journalism.
D. [D] Not all writers are capable of journalistic writing.
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