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【单选题】
(P222)资本主义经济的发展为级的生产方式过度创造物质条件,这主要表现在A.
无产阶级队伍的壮大
B.
科学技术水平的不断提高
C.
社会化大生产的发展
D.
市场经济体制的发展完善
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【简答题】At the beginning the passengers in the self-driven cars tested in San Diego felt ______.
【简答题】下列哪一条不属于数据库设计的任务?（ ） A)设计数据库应用结构 B)设计数据库概论结构 C)设计数据库逻辑结构 D)设计数据库物理结构
【简答题】A．Because Diego came from a famous family. B．Because Diego was highly intelt. C．Because Diego was a man with a great fortune. D．Because he could not pay his daughter's medical expense any more.
【简答题】At San Diego‘s Hage Elementary， parents of the students are coming voluntarily to helpstaff the facility in the school library sometimes. 查看材料
【单选题】Look at the events below. Which happened before Diego told Maggie that Ripley was missing?
A.
、Maggie and Diego decided they'd need more clues to find Ripley.
B.
、Diego and his dad called Ripley, but Ripley didn't come.
C.
、Maggie rubbed her foot because she'd stubbed her toe.
D.
、Diego wondered why Maggie runs outside wearing flip-flops.
【简答题】目前设计数据库系统主要采用的是以 ______ 数据库设计和物理数据库设计为核心的规范设计方法。
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