管路焊接时,应先点焊定位,焊点应在圆周均布,然后经检查其位置正确后方可正式焊接。
参考答案:对
单词拼写 (共10小题,每小题1分,满分10分)
A.根据中文和首字母提示写出正确的单词形式:
1.Which team do you think will be the c______ (冠军) of the World Cup South Africa?
2.Dr Yuan has c______ (捐献) his money to the development of the super hybrid rice.
3.We were surprised to learn that our English teacher m______ (主修) in finance in university.
4.Everyone’s opinion is bound to be s______ (主观的).
5.I’d recognize your handwriting anywhere – it’s u______ (独特的).
开放性骨折的处理中,下列哪项会影响骨折的愈合()
A.清创要争取在6-8小时内进行
B.清洗伤口先从伤口周围开始,逐步扩大,最后冲洗伤口
C.彻底切除一切无血运的组织
D.彻底切除污染的骨骼,及一切碎骨块
E.修复损伤的肌腱,神经,血管,争取闭合伤口