气胀救生筏在18°C到20°C环境气温中充胀成型的时间不超过()
A、3分钟
B、2分钟
C、1分钟
D、5分钟
参考答案:C
单词拼写(共5小题;每小题1分,满分5分)
小题1:The Song Dynasty c______________ three great inventions to world civilization, which have improved people’s life a lot.
小题2:A kind of friendly ____________ (气氛) can be felt throughout the conversation.
小题3:You have been ______________ (推荐) as a typist in our company.
小题4:He lit a c_________________, got up and went off.
小题5: Doing sports r___________ will help you keep healthy.
( )也称小组的临床模式或康复模式。
A.小组教育模式
B.小组发展模式
C.小组治疗模式
D.小组医疗模式