If time travel became possible, ______.
A. more social crimes would happen
B. more inexplicable things would arise
C. more scientific theories would come into being
D. more students would like to go to the depths of the scientific field
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It is implied in the passage that ______ in studying mathematics.
A. in every country "mathematic gene" plays a decisive role
B. in every country "mathematic gene" does not play a decisive role
C. in America "mathematic gene" plays a decisive role
D. in countries other than the U. S. "mathematic gene" plays a decisive role
According to the article, the life of Snow paralleled______.
A. the development of China's revolution
B. the construction of New china
C. the course of World War Ⅱ
D. all of the above
The word "modalities" underlined in Paragraph 4 most probably means ______.
A. magnets
B. methods
C. virtues
D. forms
The President took a drubbing from much of the press which had breathlessly reported that
A. was sure to be made
B. was being considered
C. was their secret weapon
D. was their last resort
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