【单选题】'_____ has Mary been playing the piano?' 'For three and a half hours.' [ ]
【简答题】Economics is no different. Supply, demand, elasticity, comparative advantage, consumer surplus, deadweight loss--these terms are part of the economist ’s language. In the coming chapters, you will enc...
【判断题】旋转技巧是一个舞者必须掌握的动作技术,它既美化了舞蹈作品,又提升了人体前庭器官稳定控制肌体平衡的能力。
【判断题】旋转技巧是一个舞者必须掌握的动作技术,它既美化了舞蹈作品,又提升了人体前庭器官稳定控制肌体平衡的能力。
【单选题】患者,女性,38岁,因外阴瘙痒,白带异常就诊,医生诊断为外阴阴道假丝酵母菌病。 93. 对于该病的治疗,适合阴道冲洗的溶液为( C)
【单选题】—How long has Mary ______ Johnson? —I don’t know. I even don’t know that they had ______.
A.
been married with; married
D.
been married to; got married
【单选题】How long has Mary been away?
【单选题】How long has Mary been like this?
【判断题】C307 车型上使用的发动机有 1.6L 和 1.8L 两种排量。