救生设备在气温-1~30℃的范围内存放不致损坏。（）
参考答案：错
信用社表内科目核算根据( )记账原理。
A．单式 B．复式 C．重复 D．差额
We have friends ____, though we are a developing country. [ ]
A. all the same
B. all the time
C. all our lives
D. all over the world
