The magician picked several persons ______ from the audience and asked them to h

游客2023-11-22  18

问题 The magician picked several persons ______ from the audience and asked them to help him with the performance.

选项 A、by accident
B、at random
C、on occasion
D、on average

答案 B

解析 at random意为“胡乱地,随便地”,如:I made a choice at random.我随便做了个选择。by accident则作“偶然地,意外地”讲,如:He met an old friend in the street by accident.他在街上偶然遇到一位老朋友。on occasion意为“间或,有时”,如:He visits the city on occasion.他有时进城去。 on(an,the)average意为“平均,平均来说”,如:On an average,the
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