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单项选择题


A．objects
B．experiments
C．goals
D．subjects
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热门试题

单项选择题A．studyingB．studiedC．to studyD．having studied

A．studying
B．studied
C．to study
D．having studied

单项选择题A．decidesB．pronouncesC．refersD．indicates

A．decides
B．pronounces
C．refers
D．indicates