临床拟诊脑出血应首选下列哪项检查（）
A.颅脑X线片
B.颅脑CT
C.颅脑MRI
D.脑脊液检查
E.数字减影脑血管造影
参考答案：B
Man: Would you like to have some icecream I’ve got a variety of flavors. Woman: I wish I could, but I just can’t. I’m on a diet. Question: What do we learn about the woman
A. She is difficult to please.B. She is particular about flavor.C. She is trying to lose weight.D. She is crazy about icecream.
除规范另有规定外，防火阀安装在通风空调系统管道上，动作温度应为（）。
A、280℃
B、70℃
C、72℃
D、220℃
