单项选择题

Hopefully scientific progress in AIDS research will continue at______pace, but nevertheless a current attitude of______prevailing among some biomedical researchers is rather inappropriate.

(A) a rapid … hubris
(B) an alarming … concern
(C) an optimistic … fastidiousness
(D) a leaden … nonchalance
(E) a vitiated … arrogance
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单项选择题
The author suggests that, prior to Bell, the suggestion that entangled quantum systems exhibit behavior impossible in the world of classical physics would probably have been viewed with
(A) indignation
(B) impatience
(C) disbelief
(D) indifference
(E) defiance
单项选择题
The passage implies that all of the following true is true concerning classical means of error correction EXCEPT
(A) The string 1110 should be interpreted to represent 1
(B) The string 2020 should be interpreted to indicate the presence of noise
(C) A four digit code is more likely to be accurate than a three digit code
(D) It is permissible to duplicate the bits in a code
(E) Three digits in agreement, such as 111, indicate the absence of degradation
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