热空气加速老化试验时，将老化箱调至试验温度，把试样呈（）状态悬挂在老化箱中进行试验。
题型：填空题
问题：
热空气加速老化试验时，将老化箱调至试验温度，把试样呈（）状态悬挂在老化箱中进行试验。试样放人老化箱即开始计算（）时间，到达规定时间时，取出试样。
题型：填空题
根据首字母完成单词。
1. When t
he boy is free, he often goes bike r_____.
2. He thinks about going s_____ in Hainan.
3. Every weekend he has to stay at home and b_____ her.
4. —Do you r_____ a bike to school?
—Yes I do.
5. —Tom,who are you going for vacation w_____?
—Mmm, my parents, of course.