【多选题】为方便旅客取阅书包杂志,发放时应注意()。
【简答题】What do we need to do right now?
【单选题】If we do not do something now, we may face a scenario where only 20% of people have a permanent job.
【单选题】If we do not do something now, we may face a scenario where only 20% of people have a permanent job.
【单选题】2007年4月14日,我国成功发射第一颗()二号导航卫星,正式开始独立自主建设我国第二代卫星导航系统。2017年11月5日,()三号第一、二颗组网卫星以“一箭双星”方式成功发射,标志着()卫星导航系统全球组网的开始。这是和美国全球定位系统(GPS)、俄罗斯格洛纳斯系统、欧洲伽利略系统并列的全球卫星导航系统。
【判断题】8255芯片内具有256B的静态RAM,2个8位和1个6位的可编程并行I/O口,1个14位定时期等常用部件及地址锁存器。( )
【单选题】They didn’t do it ______ we do now.
【单选题】Now we could not do anyting but for him here.
【单选题】We _____(do) our homework everyday. Now we do our homework in the classroom.