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问题 选择题

下图为某人体内几种类型的细胞模式图。下列相关叙述中，不正确的是

[ ]

A．这些细胞最初来源于同一个受精卵细胞

B．a的结构已发生很大变化，但仍属于真核细胞

C．这些细胞在结构上具有统一性

D．这些细胞在功能上是相似的

答案

答案：D

选择题

下列各组词语中加点字的读音，与所给注音全都相同的一组是

A．冠ɡｕàｎ 冠军 弱冠 树冠 冠心病 沐猴而冠

B．背ｂèｉ 背包 背弃 背负 小背篓 背道而驰

C．委ｗěｉ 委靡 委蛇 原委 委员会 委曲求全

D．秘ｍì 秘诀 隐秘 便秘 秘书长 秘而不宣
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单项选择题

Service (71) Architecture aims to provide a model for the creation of service components in a wide range of languages and a model for assembling service components into a business solution-activities which are at the heart of building applications using a (72) architecture.
Service Data Objects aims to provide consistent means of handling (73) within applications, whatever its source or (74) may be. SDO provides a way of unifying data handling for databases and for services. SDO also has mechanisms for the handling of data while (75) from its source.

A．data

B．command

C．appliance

D．component
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