呈纺锤形,两端略尖。表面黄白色或淡黄色,有细纵皱纹。质柔韧,断面黄白色,半透明,中柱细小的药材是()
A.天冬
B.山麦冬
C.麦冬
D.百部
E.射干
参考答案:C
—______, Sonia. Is this your backpack?
—Yes, it is. Thank you. [ ]
A. Sorry
B. Goodbye
C. Excuse me
D. OK
总台总账单结账服务是指?