I would like to say that a theory is essentially an abstract, symbolic representation of reality.
A. what it is conceived
B. that is conceived
C. that is being conceived of
D. what is conceived of
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What can we infer from the story ending
A. One of the best qualities in human beings was to accept as well as offer hope unconditionally.
B. The author's story was not well received by her class.
C. The author were not willing to share her story.
D. The author didn't learn anything until her graduation.
计算某地某年总死亡率，分母是
A. 年内实际死亡人数
B. 年内平均死亡人数
C. 年初人口数
D. 年末人口数
E. 该年平均人口数
下面是关于目前流行的台式PC机主板的叙述： Ⅰ．主板上通常包含微处理器插座(或插槽)和芯片组 Ⅱ．主板上通常包含ROM BIOS和存储器(内存条)插座 Ⅲ．主板上通常包含PCI总线插槽和AGP插槽 Ⅳ．主板上通常包含串口连接器和并口连接器 其中，正确的是( )。
A. 仅Ⅰ
B. 仅Ⅰ和Ⅱ
C. 仅Ⅰ、Ⅱ和Ⅲ
D. Ⅰ、Ⅱ、Ⅲ和Ⅳ
Pentium微理器进行存储器读操作时，在时钟周期Tl期间，完成下列操作( )。
A. W/R信号变为高电平
B. 发送存储器地址
C. 读操作码
D. 读操作数
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