在没有绷带急救伤员的情况下，可用毛巾、手帕、床单、长筒尼龙袜子等代替绷带包扎。
参考答案：对
A good story does not necessarily have to have a happy ending, but the reader must not be left . [ ]
A. unsatisfied
B. unsatisfying
C. to be satisfying
D. being satisfied
45名学生去游园，他们每人要喝1瓶矿泉水．商店买4瓶送1瓶，那么他们只需要买______瓶矿泉水就正好够．
