1-y8=38；
38=38；
故答案为：√．
为了获得多参数、多方位的图像，应选择下列哪种检查方法（）
A．CT
B．MRI
C．X线
D．超声
When the children are busy playing their games．They had better be _____
A．let out
B．left out
C．left alone
D．left away
