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问题 单项选择题

一3岁儿童，颈中线甲状软骨上方有一囊性肿块，最可能的诊断是（）

A.囊状淋巴管瘤

B.甲状腺腺瘤

C.甲状舌骨囊肿

D.甲状旁腺腺瘤

E.淋巴结核

答案

参考答案：C

问答题

根据“给定资料3”，谈谈对“撤点并校”这一举措的认识。
[要求] 准确、全面、分析深入。不超过250字。
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选择题

Sales of CDs have greatly increased since the early 1990s, when people _____ to enjoy the advantages of this

new technology. [ ]

A. begin

B. began

C. have begun

D. had begun

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