【简答题】导游人员在向外国游客提供导游服务的同时,又肩负着( )的重任。
【单选题】Mr Green didn’t know ______ last night.
A.
when does his son come back
B.
when his son comes back
C.
when his son come home
D.
when his son came home
【单选题】关于护理目标的叙述,正确的是:
B.
护理目标的主语可以是护理对象的生理功能和机体的一部分
【单选题】There _________more doctors in our hospital next term.
【判断题】在实验楼内乘坐电梯或走楼梯时,可以戴双层手套携带不需拧紧的试管。
【单选题】将连续的模拟信号离散采样转变成数字量的过程称为( ) 转换。
【单选题】On hearing her son's voice on the line, all her fears and anxiety().
【单选题】Having been in hospital for two months, _______he was going to catch up with his classmates.
【多选题】数据采样电路中,因为微处理器只能接收数字信号,而被测对象常常是一些非电量,所以需要将传感器采集的随时间连续变化的模拟量转换成离散数字量。这一过程包括:()
【判断题】将连续的模拟信号离散采样转变成数字量的过程称为模数( A/D )转换。