41. During her study in Massachusetts Institute of Technology she has got the degree PhD,

发布时间：2020-08-16 06:10:15


41. During her study in Massachusetts Institute of Technology she has got the degree      PhD, and it is a degree      chemistry.
A. of; at
B. in; at
C. of; in
D. in; of

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A. of; at
B. in; at
(答案→)C. of; in
D. in; of
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