小脑萎缩的CT诊断要点是什么?
参考答案:小脑萎缩的CT诊断要点为:①小脑脑沟扩大,超过1cm。②小脑脑桥池扩大,超过1.5cm。③第四脑室扩大超过4cm。④小脑上池扩大。
当火灾荷载密度>50Kg/m2时,一支Ф19mm水枪控制的燃烧面积按30m2估算。()
In a certain conservative mutual fund, 70 percent of the money is invested in bonds, and of that portion, 40 percent is invested in highly rated corporate bonds. If at least $1.4 million in this fund is invested in highly rated corporate bonds, what is the smallest possible total value for the mutual fund ?()
A. $4 million
B. $5 million
C. $6 million
D. $7 million
E. $8 million