引起不同坡度的温度差异的主要因素是( )。
A.风速差异
B.海拔高低差异
C.太阳辐射差异
D.降水幅度差异
参考答案:C
------ Our holiday cost a lot of money.
------ Did it? Well, that doesn’t matter ______ you enjoyed yourselves.
A.as long as
B.unless
C.as soon as
D.though
治疗过敏性休克首选()
A.抗组胺药
B.糖皮质激素药
C.肾上腺素
D.酚妥拉明
E.异丙肾上腺素