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1·More than 20 subjects are on offer at A2 level at our college.

本校提供20多门A2证书考试课程。《牛津词典》

2·In 2007, it passed the identification at site and assessment by the Chinese Association of special equipment test, and has acquired three categories (A2 level) pressure vessel manufacturing license.

2007年通过了中国特种设备检验协会的现场鉴定和评审，取得了三类(A 2级)压力容器的制造许可证。

3·He's doing an A2 (level) in History.

他正在学习A2证书考试的历史科目。《牛津词典》