第27题:[单选题] _____ his great achievements in chemistry, he was considered as one of the most outstanding scientists of the century. A. In terms of B. On behalf of C. On the basis of D. In the form of 参考答案:A A . In terms of（按照，根据）； B . On behalf of（代表）； C . On the basis of（基于）；D . In the form of（以……的形式）。根据题意“____他在化学方面的巨大成就，他被认为是本世纪最杰出的科学家之一。”故选A。
