【单选题】关于社会交换的定义,说法不正确的是:
A.
狭义的交换是指:物,在人与人之间除掠夺以外的流动过程
B.
广义的交换是指:人与人之间物质的流动或者是人与人之间的社会性相互作用
D.
从心理学层面理解,交换是心理、社会均衡的一个重要内容
【判断题】玉璧是用于辨等级,明身份,或进行礼聘、祭祀活动的玉制品。
【单选题】女,30岁。近3个月来自觉两侧咬肌、颞肌酸痛,上下颌牙齿找不到合适的咬合位置。3个月前因右下第一磨牙慢性牙髓炎做根管治疗及充填治疗。检查:两侧咬肌、颞肌有触压痛,两侧颞下颌关节无弹响、无压痛,右下第一磨牙叩痛(±)。其原因最可能是()。
【单选题】下列哪一种方法的系数没有封闭形式( closed-form )的解? A. Ridge 回归 B. Lasso C. Ridge 回归和 Lasso D. 以上都不是
【单选题】If you want a dish far from you at table, you should _____.
A.
leave your seat to get it
B.
sit there until others help you
C.
ask the nearest person for help
D.
stand up and reach across the table for it
【判断题】玉璧是用于辨等级、明身份、或进行礼聘、祭祀活动的玉制品
【单选题】听力原文:F: Can you pass me a dish, darling? M: Here you are. This dish is clean. I washed it just now. What is the relationship between the two speakers?
【单选题】If you want a dish far from you at table, you should _____.
A.
stand up and reach across the table for it
B.
leave your seat to get it
C.
sit there until others help you
D.
ask the nearest person for help
【单选题】患者,女性,30岁,近3个月来自觉两侧咬肌、颞肌酸痛,上下颌牙齿找不到合适的咬合位置。3个月前因右下第一磨牙慢性牙髓炎做根管治疗及充填治疗。临床检查示:两侧咬肌、颞肌有触压痛,两侧颞下颌关节无弹响、无压痛,右下第一磨牙叩痛(±)。其原因最可能是