第13题: [单项选择]Candies may be made by (repeatedly dipping) wicks in tallow, by molding, (nor) by pouring (melted wax) over the wicks and rolling them (into) shape. A. repeatedly dipping B. nor C. melted wax D. into 参考答案:B
第17题: [单项选择]有些文献技下式给总线数据传输速率下定义: Q=W×F/N 式中Q为总线数据传输率;W为总线数据宽度(总线位宽/8);F为总线工作频率;N为完成一次数据传送所需的总线时钟周期个数,当总线位宽为16位,总线工作频率为8MHz,完成一次数据传送需2个总线时钟周期时,总线数据传输速率Q应为( )。 A. 64MB/s B. 8MB/s C. 64MB/s D. 8MB/s 参考答案:D
第20题: [单项选择]What did the speaker ask the students to do the week before [A] Write a short story. [B] Prepare for the lesson. [C] Learn more about the writer. [D] Help their mother. 参考答案:B 答案解析:[听力原文] 11-13 OK! When we met last week, we talked about different kinds of short stories and