以个人好恶、兴趣、爱好为联系纽带,具有强烈情感色彩的群体是()。
A.联合群体
B.松散群体
C.正式群体
D.非正式群体
参考答案:D
解析:题于是对非正式群体的解释。
—The ______ girl has learned a lot about China from her father and her school.
—She likes ______ culture very much. [ ]
A. 15-year-old; China
B. 15-year-old; Chinese
C. 15 years old; Chinese
D. 15 years old; China
局麻注射过程中,为避免血肿,下列措施中哪项是不恰当的
A.深部注射时,避免进针过深B.注射麻药时缓慢推注C.针头不应有倒钩D.尽量使用低浓度的局麻药E.避免反复多方向穿刺