鼻黏膜充血引起的鼻塞应选用()
A.异丙肾上腺素
B.多巴胺
C.麻黄碱
D.肾上腺素
E.酚妥拉明
参考答案:C
一个三角形的三边分别为7,10,15,与其相似的另一个三角形的最小边是21,则它的最大边为______.
All the parents in Mianyang admire Nanshan Middle School the teachers are treating their students like friends.
A.why
B.where
C.that
D.which