【单选题】Of the following cities, which city could be the setting for this story? ( ).
【单选题】Shanghai is larger than _____in China.
【单选题】Which of the following cities is a capital city?
【判断题】所有单片机的数据总线都是8位。( ) 【参考答案】MCS-51单片机的数据总线是8位,16位、32位单片机的数据总线分别是16位、32位。 第5章
【判断题】蠕动泵的清洁时,把蠕动泵的吸液管插入50~60°C的饮用水中,把水吸入喷枪,并从喷枪口流出饮用水即可。
【判断题】MCS -51、MCS-52单片机都是8位单片机。
【单选题】Which city or cities ranked the fourth?
【单选题】Xi'an is one of capital in China. A. older,city B.the older,city C. oldest,cities D. the oldest,cities