____ there a number of fish in the river at that time? [ ]
A. Is
B. Are
C. Was
D. Were
答案:D
要想让自己的生活变得精彩快乐,必须学会心理调节。 [ ]
以下转运脊髓损伤患者急救转运的原则中,错误的是()
A.维持脊柱的稳定
B.先将患者搬至救护车,再制动固定
C.防止脊柱的分离、扭曲
D.避免移动时再次损伤脊髓
E.制动装置中首选脊柱固定板