【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.
【简答题】x 8 (x是整数),当x=______时,它是真分数;当x=______时,它是假分数;当x=______时,它等于零;当x=______时,它就是分数单位.
【简答题】S1:Stand by rescue sling and report.S2:Rescue sling standing by.Q:What is standing by?A. Rescue litter. B. Rescue net. C. Rescue basket. D. Rescue sling.
【单选题】What fruits are used in the Summer Sling smoothie?
【简答题】当x=6时,x的平方=______,2x=______;当x=______时,x的平方=2x.
【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?