Help
End Section Review
End Exam
Answer Edit Confirmation
课程
活动
资料
反馈
题目内容
One would expect the concept of (i)______ to be (ii)______ one in the historiography of science: over the centuries, scientists have had to change their views repeatedly as new evidence has been found to be incompatible with established explanations.
学员13ibro
学员18vaxw
学员12qakl
学员16ulzm
学员14ggdt