What would happen if a person were supported by the life preserver in awr ong pos ition?
时间：2020-05-29
人气：161
By“ the uninitiated indi vidual”(Para.1，Line. 4) the author refers tothe person
人气：2539
United States Coast Guard does NOT require the life preserver to bemade_
人气：1966
According to the passage，a life be first of all
人气：2881
The passage is mainly about_
人气：1481
