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（请给出正确答案）
A.①②
B.③④
C.①③
D.②④
答案
D、②④
更多“典例 （Scientific American》杂志的一篇文章对宇宙学中的经典理论——宇宙暴涨理论提出了质疑，认为这一理论不具科学性。面对这篇文章的“挑衅”，包括霍金在内的33名宇宙学家联名回信进行反…”相关的问题
第2题
A.是中国古代朝贡贸易的典例
B.顺应了经济重心南移的趋势
C.开启了中国闭关锁国时代
D.有利于中原王朝的边疆稳定
第3题
When enacting the prohibition laws, government officials assumed that ______.
A．every American would buy alcohol illegally
B．all criminal activities would cease
C．patrols of the Canadian border would halt the sale of alcohol
D．the social threat from drunkenness would decline
第4题
A.是中国古代朝贡贸易的典例
B.顺应了经济重心南移的趋势
C.开启了中国闭关锁国时代
D.有利于中原王朝的边疆稳定
第5题
case(南京大学1996年研) On July 1 0，a Chinese company sent an offer by telex to an American company：selling 300tons coffee beans，each metric ton at the price of USD 1，900 CIF New York，firm offer standing for 2 weeks．On July 22，the Chinese company learned that
Can the Chinese company raise the price of coffee beans from USD 1，900 per ton toUSD 2，500 per ton？
第6题
The text seems to be ______.
A．a scientific paper
B．a book review
C．a graduation dissertation
D．an academic criticism
第7题
To succeed in a scientific research project, ______.
A．one needs to be persistent
B．persistence is needed
C．one needs be a persistent person
D．persistence is what one needs
第9题
What is the author's attitude towards science？
A．He is depressed because of the ignorance of scientists.
B．He is doubtful because of the enormous difficulties in scientific research.
C．He is confident though he is aware of the enormous difficulties in scientific research.
D．He is delighted because of the illuminating scientific findings.
第10题
Which method in 19th century made a great influence on Taine’s theory？
A、scientific method
B、historical method
C、artistic method
第11题
A．distinction
B．discrimination
C．deviation
D．separation
