【单选题】(13年注册岩土师考试)衡量钢材塑性变形能力的技术指标是()。
【单选题】John spent most of his time practising speaking English in addition _____ his spare time. [ ]
【单选题】His humorous closing speech was a welcome addition to the _____ dull meeting. [ ]
【单选题】The professor, ________ his assistants, _______ conducting the experiment.
【单选题】In addition to his traditional medical treatment, he tried to put himself in situations______ would bring about positive emotions.