2岁儿童股骨干骨折的治疗方法,应采取()。
A.前后石膏托
B.股骨下端或胫骨粗隆下牵引
C.水平皮牵引
D.臀式皮牵引
E.切开复位、髓内针固定
参考答案:D
There are many choices to make in life but _______ is more important than what goes on in your heart.
A.nothing
B.neither
C.none
D.no one
VBA编程中,要得到[15,75]上的随机整数可以用表达式______。