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单选题
53. Why does the author say some experts＇ anxiety seems misplaced?
A
Debating scientific issues at a conference is now old-fashioned.
B
Diverse topics can be debated by both scientists and the public.
C
Debates about science are accessible to the public anyway.
D
Scientists can voice their opinions whatever way they like.
答案解析
正确答案：A
