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问题 单项选择题

患儿6个月，早产儿，出生体重2200g，母乳喂养。现体重8kg，家长发现孩子多汗、夜惊。体检示患儿前囟大、方头、肋串珠。

最可能的诊断是( )

A．营养不良

B．维生素A缺乏

C．软骨营养不良

D．维生素D缺乏性佝偻病

E．先天性甲状腺功能低下

答案

参考答案：D

解答题

一个底面是正方形的长方体铁箱，如果把它的侧面展开，正好得到一个边长是40厘米的正方形。如果铁箱内装一半水，铁箱内水的体积是多少立方厘米？
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单项选择题

Object-oriented DBMS integrated a variety of (81) data types-such as business procedures, graphics, pictures, voice and annotated text.
Object orientation also makes a (82) to application development efficiency. It makes the data, functions, attributes, and relationships an integral part of the (83) . In this way, objects can be reused and replicated.
Some leading RDBMS vendors support the concept of integrating object management capabilities with their current line of relational products. That capability enable users to the development cycle, since integrity logic and business roles no longer need to be programmed (84) each application.

A．tool

B．in

C．idea

D．contribution

E．joke

F．short

G．object

H．theoretical

I．extent

J．shorten K. real-world L. into
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