可外展第2~4趾的肌是()。
A.蚓状肌
B.小趾展肌
C.骨间足底肌
D.骨间背侧肌
E.小趾短屈肌
参考答案:D
—What's your sister like?
—________.
A.She is very beautiful
B.She is not very tall
C.She likes tennis
D.She is very strict
沉淀过滤时,应先将沉淀上面的澄清液倾入漏斗内,然后再将沉淀例入。