公共英语考试

试题来源：公共英语四级-121
【单选题】 We can infer from the passage that______.
A．there is little distinction between specialization and professionalisation
B．amateurs can compete with professionals in some areas of science
C．professionals tend to welcome amateurs into the scientific community
D．amateurs have national academic societies but no local ones

参考答案：B
网考网解析：
文章第二段中提到“No clear-cut．．．be found to any rule”说明... 查看试题解析出处>>