两上肢自然下垂，肩胛下角平（）
A.第三肋间
B.第四肋间
C.第五肋间
D.第六肋间
E.第七肋间
参考答案：E
—Did you have a great time _____ in Wang Guifei’s birthday party last weekend?
— Yes. We enjoyed ourselves ourselves there.
A．sing and dance
B．to sing and dance
C．singing and dancing
D．sang and danced
药品经营企业销售中药材，必须标明( )
A．别名B．有效成分C．有效部位D．杂质含量E．产地
