The word "it" underlined in Paragraph 5 most probably refers to ______.
A. math
B. English
C. a math gene
D. American phenomenon
查看答案
The fault that causes some students to fail to study mathematics well lies not with their
A. prejudice against sciences
B. preference in languages
C. wrong belief in who can study mathematics better
D. awkward attitude towards mathematics
It can be concluded from the passage that ______.
A. with the invention of the time machine it would be impossible to change the past
B. the time traveler would be able to know what is going to happen in the future
C. the engineering problems will have been solved very soon
D. scientists hold a positive belief in the invention of the time machine
Scientific studies by experts prove that ______.
A. factors including quantum processes can prevent time travel
B. by changing quantum processes experts can make time travel come true
C. the theory of relativity can help change the nature of time travel
D. the time machine will turn out to be a piece of junk
The word "perspective" underlined in Paragraph 5 most probably be replaced by ______.
A. viewpoint
B. attitude
C. conception
D. objection
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