第15题: [单项选择]下面的叙述中正确的是______。 A. 现行PC机中普遍采用的ISA总线(AT总线)扩充插槽可供插卡使用的硬中断有 16级 B. 现行PC机中普遍采用的ISA总线(AT总线)扩充插槽可供插卡使用的硬中断有 15级 C. 现行PC机中普遍采用的ISA总线(AT总线)扩充插槽可供插卡使用的硬中断有 11级 D. 现行PC机中普遍采用的ISA总线(AT总线)扩充插槽可供插卡使用的硬中断有 8级 参考答案:C 答案解析:[解析] 现行PC机中普遍采用的ISA总线(AT总线)扩充插槽可供插卡使用的硬中断有 11级。
参考答案: The Bible has played a very important role during the development of English. It has significant impact on the formation of the English vocabulary and English idioms. People quote the Bible almost everywhere during their daily work and life. An American lexicologist once said that it is hard to imagine one can learn English well without reading the Bible. We are not discussing whether what he said was true or not. However we are on the YES side about the Bible’s contribution to the language. We will make use of this column to share with our readers stories from the original!
第31题: [单项选择]牙发育中最先形成的是 A. 牙釉质 B. 牙本质 C. 牙髓 D. 牙骨质 E. 牙槽骨 参考答案:B 答案解析:[试题难度] 中 [认知层次] 记忆 [解析] 这是牙体组织形成的基本知识题。 在钟状期后期,成釉器的内釉上皮分化成熟,并对牙乳头发生诱导作用。牙乳头顶端与内釉上皮基底膜接触的细