【单选题】Among the uses not mentioned in the article is the use of the bandanna as a ______.
【简答题】当x=______时,14-x=0;当x=______时,x+2.8=5.
【单选题】What fruits are used in the Summer Sling smoothie?
【简答题】若f(x)为偶函数,当x>0时,f(x)=x,则当x<0时,f(x)=( )。
【简答题】当x=6时,x的平方=______,2x=______;当x=______时,x的平方=2x.
【简答题】简述物联网的定义,分析物联网的“物”的条件?
【单选题】What is a sling psychrometer used to measure?
C.
Wet and dry bulb temperature
【多选题】下列选项中,属于常见的收集电子邮件数据库的方法是?