By mentioning the 9.11 terrorist attack in Paragraph 5, the author intends to ______.
A. discuss the changes of Washington's cultural life in Bush's administration.
B. indicate that Washington's intellectual life is more developed than elsewhere.
C. highlight the question of American global strategy in the national debate.
D. draw a Comparison between American universities and Washington.
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急性低位小肠梗阻，心率120次/分，血压90/60mmHg，尿少，无口渴，考虑存在
Which of the following can be inferred from the passage？
A. there is already a case in which the virus is transmitted from person to person.
B. american scientists take the pandemic more seriously than European ones.
C. the effect of candidate vaccines can last more than one year.
D. the manufacture of the vaccine must be authorized by safety authorities.
Which of the following is true of the text？
A. The opening of the new theatre signifies intellectual and cultural resurrection in Washington.
B. Washington's intellectual life has shown unprecedented vitality during the Bush years.
C. American universities and Washington are places where there are really diverse ideas.
D. Washington's intellectual revival is one step further towards American's global strategy.
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