单项选择题 The exercises,which () a relatively small volume of movement,like jumping,can stimulate blood circulation. ( ) A. happen B. generic C. generate D. product
单项选择题 We don't think that his ______ ability has been well developed. A、possible B、potential C、underneath D、viatl
未知题型 注册香港公司的优势()
未知题型 软件详细设计产生的图如下:该图是A.N-S图B.PAD图C.程序流程图D.E-R图
单项选择题 下列不属于一碳单位作用是