颈正中线甲状腺峡部上方的球形肿块,可随吞咽上下移动。最可能的诊断是()
A.皮脂腺囊肿
B.甲状腺腺瘤
C.甲状舌管囊肿
D.囊状水瘤
E.上述任何一种都可能
参考答案:C
You ____ take good care of your luggage when you are traveling on a train. [ ]
A. can
B. may
C. must
D. will
只有开证行在信用证中注明(),信用证方可转让。
A.可转让
B.可转移
C.可分割
D.可让渡