【简答题】Because winter was (approach) , the weather was colder and colder.
【单选题】根据产品市场普及率来判断生命周期的方法叫做
【简答题】什么是计算机语言?简述计算机语言的发展阶段
【判断题】一、下列图形中是角的在( )内画“√”,不是的画“×”。
【单选题】—I heard they went skiing in the mountains last winter. —It true because there was little snow there.
【多选题】Those colony's first winter was hardship, because________.
A.
they arrived too late to farm.
B.
half of them died from disease.
【简答题】请简述,什么是脱机输入输出方式,可以用自己的语言描述
【单选题】— I heard they went skating in the mountains last winter. — It _____ true because there was little snow there.
【单选题】— I heard they went skiing in the mountains last winter. — It ___ true because there was little snow there.
【单选题】安装、送货、保证、提供信贷、售后服务等属于( )产品层。